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A like ruling was made October 6, 1870, in the Case of Ward, an American inventor. Com. Dec. (1870) 126. [157 U.S. 1, 28] In Boyer's Case, deci ed October 25, 1870, which was an application for the extension of letters patent granted November 4, 1856, to one Evans, for an improvement in spading machines, it appears that Evans obtained letters patent in England, dated December 17, 1855, sealed May 27, 1856, and which expired December 17, 1869. The commissioner, referring to section 25 of the act of 1870, said: 'In the case of Mushet it was a foreign inventor, and in the case of Ward an American inventor, who were seeking the extension; but in both cases letters patent were first obtained in the foreign country. ... I was and am of the opinion that the policy which congress plainly declares in this section is that if a foreigner obtains a patent in his own country, and permits it to expire there, it shall also expire in this country, so that the right to use the invention without liability to the inventor shall be simultaneous in this and in the most favored foreign nation. Therefore, while I held that the section did not shorten the term of patents already granted, I also held that it did prevent the extenion of such patents when the original term expired. It would, I conceive, be a manifest impropriety to grant to a patentee seven additional years of protection, when the fact has been brought home to me that he first patented his invention abroad, and that his foreign patent has expired. Whether the section in question does or does not actually forbid the extension, it so clearly declares that the American patent shall not survive the death of the prior foreign patent that a decent respect for the declared policy of the legislature would determine an officer, while exercising his discretion, to exercise it in accordance with that policy, and not in opposition to it. It is urged, however, that congress intended only to reach the case of the foreign inventor who first patented his invention in his own country, and that they did not intend to put the American inventor, who obtained a patent abroad, in a worse position than if he had obtained no patent at all in a foreign country. It is said, with much force, that if the American patentee had not obtained an English or French patent, the invention would be free in those countries, even during the lifetime of his original patent; and that the fact [157 U.S. 1, 29] that it was free there would be no bar to the grant of an extension. This may be true, but we have no means of judging of the intention of congress in this case, except by the language employed in the declaration of their will. The language of the statute is, 'first patented, or caused to be patented, in a foreign country.' This, by its terms, includes American citizens as well as foreigners who first take out a patent abroad. The term 'patented' may well be construed as applying to foreigners obtaining patents in their own country, and the phrase, 'caused to be patented,' to such persons, not citizens of the same country, including Americans, as should cause their inventions to be introduced or patented there. It does not include either foreigners or citizens who first obtain their patents in this country. It was supposed that American inventors would first obtain their patents here, in which case they would not have been within the terms of the section; but if, on the other hand, they choose to obtain patents abroad before doing so in their own country, they were to be placed upon the same platform as the foreign patentee. It is reasonable to suppose that the inventor will follow up his earliest patent with the greatest vigor, and that, other things being equal, he will protect his invention first in that country where he expects to make most use of it. If, therefore, the American inventor chooses to exhibit this preference for a foreign country, and to give them the first information respecting his invention, and the earliest opportunity of using it, the law makes no distinction between him and the foreign inventor who obtains his first patent at home.' Com. Dec. (1870) pp. 130, 131.
In the Case of Smith and Skinner, de ided October 26, 1870, the commissioner said: 'In the cases of Ward and Boyer I held that the grant of a foreign patent before the issue of an American patent was fatal to the application for the extension of the American patent if the foreign patent expired before the original term of the patent sought to be extended. It is immaterial whether the American patent was applied for before the foreign patent or not. This was important under the first laws, but no such distinction exists under the act of [157 U.S. 1, 30] 1870. This invention was patented in England, France, and Belgium on October 17, 1856, prior to the grant of the American patent, and the English patent had already expired. This point is fatal to the present application.' Com. Dec. (1870) p. 131.
We have not been referred to any ruling of the patent office, after the passage of the act of 1870, in conflict with or different from that of Commissioner Fisher, except one made by Commissioner Paine in 1880. But in reference to the latter ruling, and the construction of the act of 1870, under which the commissioner of patents had uniformly proceeded, Commissioner Marble, in a letter to the secretary of the interior, under date of March 17, 1882, said: 'As will be seen by Col. Mason's communication, the construction now put upon the statute is the construction which It has received since it was enacted, except during a short interval of the term of my predecessor, Mr. Commissioner Paine. I may state, however, that Mr. Commissioner Paine addressed to me a letter within one month after he had retired from office, stating that he believed his construction of section 4887 was erroneous.'
It is appropriate now to inquire as to the course of judicial decision upon the question before this court.
That question was directly presented in Refrigerating Co. v. Gillett, 13 Fed. 553, 555, which case related to the patent here involved. Bate's application in Canada having been made after his application in this country, and the Canadian patent having been issued before the American patent was issued, the principal question was whether the invention was patented in Canada previous to the issuing of the patent in the United States, in the sense in which the words 'previously patented' were used in section 4887 of the Revised Statutes.
Referring to that section, Judge Nixon said: 'The phraseology here used materially differs from the previous legislation on the subject. The power of the commissioner of patents is defined and abridged. Where a foreign patent has been granted for the same subject-matter he is expressly required to limit the term of the domestic patent to the period of time [157 U.S. 1, 31] that the foreign patent has to run; or, if there be more than one, then to make it expire at the same time with the one having the shortest term. We do not see how any language could have been employed that would more clearly express the legislative design that the life of the domestic patent should expire with the term of any outstanding foreign patent. But the counsel for the complainant contended on the argument that the present case did not fall within the limitation of the statute, because the application for the United States patent was filed antecedent to the application for or the grant of the Canadian patent. We are at a loss to understand what the time of filing the application for the patent has to do with the matter. It is true that the eighth section of the act of 1836 and the sixth section of the act of 1839 made the date of filing the specifications and drawings in the one case and the date of the application of the home patent in the other the point of time from which to reckon the six months intervening between the issue of the foreign and domestic patent. It is also true that by section 4886 and the first clause of section 4887, of the Revised Statutes an inventor is required to file an application for his patent within two years after his invention or discovery has been in public use or on sale, from all of which the late commissioner of atents (Paine) was led to the opinion that the word 'previously,' used in the last clause of section 4887, had reference to the time prior to the filing of the application, rather than to the time prior to the granting of the patent. See 17 O. G. 330. But this seems to be wresting the language of the section from its plain and obvious meaning, and we are not able to follow the reasoning by which such an interpretation is reached.'
This decision was followed in Gramme Electrical Co. v. Arnoux, etc., Electric Co. (1883) 17 Fed. 838, 840, which turned upon the construction of section 25 of the act of 1870. One of the questions in that case was whether an American patent, dated October 17, 1871, and the application for which was made August 17, 1870, was limited, as to its term, by the term of an Austrian patent issued after the American application was made, but before the American patent was issued. [157 U.S. 1, 32] Mr. Justice Blatchford, referring to section 25 of the act of 1870, said: 'It is contended that under the foregoing provisions [patent] No. 120,057 expired either on December 30, 1871, or on December 30, 1880, the date of the expiration of the Austrian patent, accordingly as that patent is to be regarded as a patent for one year or for ten years. To this the plaintiff replies that the application for No. 120,057 was filed before the application for the Austrian patent was filed. But the date of the application for No. 120,057 cannot affect the question. Under the act of 1870 a patent takes effect from the time when it is granted, and cannot be antedated. The meaning of section 25 of the act of 1870 is that the United States patent shall expire at the same time with the foreign patent having the shortest time to run, which war granted before the United States patent was granted, and not that it shall expire at the same time with the foreign patent having the shortest time to run, which was granted before the time when the application for the United States patent was made. Refrigerating Co. v. Gillett, 13 Fed. 553.'
There is nothing in the opinion delivered by Mr. Justice Blatchford which, in our judgment, justifies the suggestion that he felt constrained by principles of comity to follow the decision of Judge Nixon without considering the question upon its merits. He seems to have expressed his mature judgment as to the scope and meaning of the act of 1870.
The case of Refrigerating Co. v. Gillett came before Mr. Justice Bradley at the circuit in 1887, and what he said is reported in 31 Fed. 809. Referring to the construction given by Judge Nixon to section 4887, he observed that, if the question were an open one, he would have some hesitation, as it was one of considerable doubt. Expressly stating that he had not come to any decided conclusion on the subject, he declined, while sitting at the circuit, to modify the decision of Judge Nixon, and gave to it full effect. This court would undoubtedly attach great value to the deliberate judgment of Mr. Justice Bradley upon the question now before it,- indeed, upon any question. [157 U.S. 1, 33] In Edison Electric Light Co. v. U. S. Electric Lighting Co. (1888) 35 Fed. 134, 137, 138, the subject was carefully considered by Judge Wallace. In that case, which was a suit for the infringement of a patent, he said, after quoting section 4887: 'The real inquiry is whether the section limits the term of a domestic patent to the term of a foreign patent when the application for the foreign patent is not made until subsequent to the application in this country, but the foreign patent issues before the domestic patent. If it were proper to treat this question as an original one, it would be necessary first to inquire whether there is any ambiguity in the language of the statute. If there is not, the duty of the court is to give effect to its obvious meaning, notwithstanding it may be thought to make an unreasonable and harsh innovation upon the pre-existing privileges of our own inventors. It is not only the safer course to adhere o the words of a statute, construed in their ordinary import, instead of entering into any inquiry as to the supposed intention of congress, but it is the imperative duty of the court to do so. Where the meaning of the Revised Statutes is plain, the court cannot look to the sources of the revision to ascertain whether errors have or have not been committed by the revisers. U. S. v. Bowen, 100 U.S. 508 . There is no practical difference in the phraseology of section 4887 and that of section 25 of July 8, 1870, from which the section is reproduced.' Referring to the above cases at the circuit, he remarked that the question should not be considered as an original one.
In Refrigerating Co. v. Hammond, 35 Fed. 151, Judge Colt followed the decision in Refrigerating Co. v. Gillett. And a like ruling was made by Judge Coxe in Accumulator Co. v. Julien Electrical Co., 57 Fed. 605.
In view of this history of the question presented by the certificate of the circuit court of appeals, what is the duty of this court? In Andrews v. Hovey, 124 U.S. 694, 717 , 8 S. Sup. Ct. 676, it was said that the construction of a statute of the United States concerning patents for inventions cannot be regarded as judicially settled when it has not been so settled by the highest judicial authority which can pass judgment upon the [157 U.S. 1, 34] question. 'Nor,' the court further said, 'is this a case for the application of the doctrine that, in cases of ambiguity, the practice adopted by an executive department of the government in interpreting and administering a statute is to be taken as some evidence of its proper construction. The question before us as to the validity of a patent by reason of pre-existing acts or omissions of the inventor, of the character of those involved in the present case, is not a question of executive administration, but is properly a judicial question. Although it may be a question which, to some extent, may come under the cognizance of the commissioner of patents in granting a patent, yet, like all the questions passed upon by him in granting a patent which are similar in character to the question here involved, his determination thereof, in granting a particular patent, has never been looked upon as concluding the determination of the courts in regard to those questions respecting such particular patent, and, a fortiori, respecting other patents.' The appellant, therefore, properly insists that the determination of the present question shall not be deemed absolutely concluded either by the practice that has obtained in the patent office since the passage of the act of 1870 nor by decisions in the inferior courts of the United States.
If section 4887 of the Revised Statutes is so worded as to express clearly the intention of congress, the court must give effect to that intention. But, even if the statute be not so explicit as to preclude construction if, upon applying to it the established rules of interpretation, if looking at it in the light of previous legislation on the subject, if there be reasonable ground for adopting either one of two constructions, this court, without departing from sound principle, may well adopt that construction which is in harmony with the settled practice of the executive branch of the government, and with the course of judicial decisions in the circuit courts of the United States, especially if there be reason to suppose that vast interests may have grown up under that practice and under judicial decisions, which may be disturbed or destroyed by the announcement of a different rule. [157 U.S. 1, 35] Looking at the words of the statutes referred to, neither unduly enlarging nor unduly restricting their meaning, we are of opinion that congress intended by the twenty-fifth section of the act of 1870, preserved in section 4887 of the Revised Statutes, to introduce a new test in respect of the term of an American patent where the same invention was the subject of a foreign patent previously issued. It has already been observed that the statutes relat ng to patents show upon their face that congress always had in mind the difference between an application for a patent and the patent itself. And that difference is apparent in the act of 1870. We find there the words 'application,' 'patent,' 'patented,' 'first patented,' and 'caused to be patented.'
The inventor whom the act of 1839 was designed to protect was one whose invention had not been introduced into public and common use in the United States prior to his application for an American patent, and which had been 'patented in a foreign country more than six months prior to his application.' In reference to an American patent, granted under those circumstances, that act expressly declared that it should be limited to 14 years,-not, let it be observed, from the date of the American patent, but from the date or publication of the foreign letters patent.
The act of 1870 provided for the case of an inventor whose invention had not been introduced into public use in the United States for more than two years prior to his application, but which had been 'first patented or caused to be patented in a foreign country.' In such a case, that statute expressly provided that the American patent should expire with the foreign patent having the shortest term to run.
The case provided for by section 4887 of the Revised Stat- [157 U.S. 1, 36] utes is the same as that provided for by the twenty-fifth section of the act of 1870, and the words, 'first patented, or caused to be patented, in a foreign country,' in the first clause of that section, are emphasized by the words in the succeeding clause, 'previously patented' in a foreign country.
We cannot superadd, in section 4887 of the Revised Statutes, the words 'prior to the application,' either after the words, 'first patented, or caused to be patented, in a foreign country,' or after the words, 'previously patented in a foreign country,' without defeating the intention of congress as manifested by the language it selected to indicate its purpose. And the express command of the existing statute is that every American patent for an invention 'previously patented in a foreign country'-that is, 'first patented, or caused to be patented, in a foreign country'-shall expire at the same time with the foreign patent. No words are sued that will justify the court in holding that an invention patented in a foreign country before being patented here is to be exempt from the operation of the provision limiting the term of the American patent to expire with the foreign patent.
Was the Bate invention patented abroad before it was patented in this country? If so, the American patent expired with the foreign patent, and thereby the American public became entitled to use the invention from the time the foreign public were permitted to use it. Congress, in effect, by the existing law, says to an inventor seeking to enjoy the exclusive use in this country of his invention for the full term prescribed by law: 'If your invention has not been introduced into public use in the United States for more than two years, you may, upon complying with the conditions prescribed, obtain an American patent, and you may, if you can, obtain a foreign patent. But the American patent will be granted on the condition that if you obtain the foreign patent first, your invention shall be free to the American people whenever, by reason of the expiration of the foreign patent, it becomes free to people abroad; but in no case shall the term of the American patent exceed seventeen years.' This we deem to be a sound interpretation of the statute, giving to the words used the meaning required by their ordinary signification.
In our judgment, the language used is so plain and unambiguous that a refusal to recognize its natural, obvious meaning would be justly regarded as indicating a purpose to change [157 U.S. 1, 37] the law by judicial action based upon some supposed policy of congress. But, as declared in Hadden v. Collector, 5 Wall. 107, 111: 'What is termed the policy of the government with reference t any particular legislation is generally a very uncertain thing, upon which all sorts of opinions, each variant from the other, may be formed by different persons. It is a ground much too unstable upon which to rest the judgment of the court in the interpretation of statutes.' 'Where the language of the act is explicit,' this court has said, 'there is great danger in departing from the words used, to give an effect to the law which may be supposed to have been designed by the legislature. ... It is not for the court to say, where the language of the statute is clear, that it shall be so construed as to embrace cases because no good reason can be assigned why they were excluded from its provisions.' Denn v. Reid, 10 Pet. 524, 527.
Undoubtedly the court, when endeavoring to ascertain the intention of the legislature may be justified, in some circumstances, in giving weight to considerations of injustice or inconvenience that may arise from a particular construction of a statute. Wilson v. Rousseau, 4 How. 646, 680; Bloomer v. McQuewan, 14 How. 539, 553; Blake v. Bank, 23 Wall. 307, 320; U. S. v. Kirby, 7 Wall. 482, 486. It is therefore said that the time ordinarily intervening in other countries between the filing of an application and the granting of a patent is very short in comparison with the time ordinarily consumed in this country in obtaining a patent after the inventor has filed his application in the patent office, and, consequently, the statute-if construed as we have indicated its words reasonably require-might operate to the injury of an American inventor in that he will be deprived of so much of the statutory term of his American patent as will be in excess of the term of any foreign patent previously obtained for the same invention. If the statute thus construed does not give to the inventor all the benefits he would like to have, the remedy is with another department of the government, and it is not for the courts to tamper with the words of a statute, or, by a strained construction of [157 U.S. 1, 38] legislative enactments, the language of which is clear and explicit, to accomplish results not contemplated by congress. This court, speaking by Chief Justice Marshall, in U. S. v. Fisher, 2 Cranch, 358, 385, said that, where the meaning of the legislature was plain, 'it must be obeyed.'
Besides, the principle that limits an American patent to expire with a previous foreign patent covering the same invention was not first introduced by the act of 1870. It appears in the act of 1839; for it is there expressly declared that the American patent which the inventor shall not be debarred from receiving by reason of the invention having been patented in a foreign country more than six months prior to his application in this country 'shall be limited to fourteen years from the date of publication of such foreign letters patent.' While that act was in force, the term prescribed for an American patent was 14 years. And yet, according to its provisions, that time-if the inventor had a foreign patent antedating his American application by more than six months-was to be computed, not from the date of the American patent, but from the date or publication of the foreign patent. That principle is preserved in the existing law, for under the Revised Statutes, as under the act of 1870, if there be an American patent for an invention previously patented abroad, the former expires, not, it is true, at the expiration of any given number of years, as under the act of 1839, but at the time the foreign patent expires.
It is also said that the United States promised the inventor, when making his application, to give him a patent for the full term of 17 years from the date of his patent, if, upon examination, it was found that he was entitled to one at the time of such application; and, consequently, that a curtailment of that term by reason of something occurring after the filing of the application, and for which he may not be responsible, is inconsistent with good faith upon the part of the go ernment. Of course, this court would hesitate to accept any construction of an act of congress that would imply bad faith upon the part of the government. But the contention just referred to assumes the very matter in dispute. It assumes [157 U.S. 1, 39] that the promise to the inventor was not accompanied by conditions authorizing the government to limit the term of its patent to some period less than 17 years from its date. But if the promise to issue a patent is made with the reservation in the statute containing the promise that the patent, when issued, shall be limited to expire with any foreign patent previously issued for the same invention, then there is no basis for the suggestion that the enforcement of that condition violates any promise made to the inventor.
Another suggestion in behalf of the plaintiff is that in the case of a revision of statutes neither changes of phraseology nor a different arrangement of clauses in themselves show an intention to change or alter the existing law; that the new law should be held to mean what the prior law meant, unless a purpose to change or alter is manifested by clear, unambiguous language; and that, in the interpretation of any particular part of a revision, resort may be had to the previous law on the subject, whenever the revisers have not, in explicit language, disclosed their meaning. The circumstances under which the courts may look at prior laws for which a revision has been substituted are stated in U. S. v. Bowen, 100 U.S. 508 , 513. That case depended upon the construction to be placed upon certain sections of the Revised Statutes. Mr. Justice Miller, speaking for the court, said: 'The Revised Statutes must be treated as the legislative declaration of the statute law on the subjects which they embrace on the 1st day of December, 1873. When the meaning is plain, the courts cannot look to the statutes which have been revised to see if congress erred in that revision, but may do so when necessary to construe doubtful language used in expressing the meaning of congress.' This principle was reaffirmed in Vietor v. Arthur, 104 U.S. 498 ; Deffeback v. Hawke, 115 U.S. 392, 402 , 6 S. Sup. Ct. 95; Iron Co. v. Ashburn, 118 U.S. 54, 57 , 6 S. Sup. Ct. 929; U. S. v. Lacher, 134 U.S. 624, 627 , 10 S. Sup. Ct. 625. For the reasons already stated, the principle announced in the cases just cited cannot avail the plaintiff if the existing statute is interpreted to mean what its words import according to their natural signification; for, the words used in sec- [157 U.S. 1, 40] tion 4887 of the Revised Statutes, as well as those in section 25 of the act of 1870, clearly evince the purpose of congress to so curtail the term of an American patent (where the same invention is previously patented abroad) that it will expire at the time the foreign patent expires, even if the latter was applied for and granted after the filing of the American application, but before the American patent issues.
But it is confidently asserted that the proceedings in congress relating to the bill which, after numerous amendments, became the act of 1870, show that congress did not contemplate any such change in the law as is involved in the construction we have placed on the twenty-fifth section of that act.
It appears that the revisal of the statutes relating to patent and copyrights was reported to the house of representatives by the commissioners appointed under the act of 1866, and was referred first to the house committee on revision of the laws of the United States, and afterwards to the house committee on patents, of which Mr. Jenckes was chairman.
The different forms in which the section now in controversy appeared prior to the passage of, as well as in, the act of 1870, are thus indicated:
As reported by the Commissioners of Revision.
25. No person shall be debarred from receiving a patent for his invention or discovery by reason of his having first patented it in a foreign country; provided, the same shall not have been introduced into public nd common use in the United States prior to the application, and that the patent shall be limited to seventeen years from the date or pub-
As reported by the Committee on Patents.
25. No person shall be debarred from receiving a patent for his invention or discovery by reason of his having first patented it in a foreign country; provided, the same shall not have been introduced into public use in the United States prior to the application, and that the patent shall expire at the same time with the foreign patent, or if there be more than
As finally adopted.
25. No person shall be debarred from receiving a patent for his invention or discovery, nor shall any patent be declared invalid, by reason of its having been first patented or caused to be patented in a foreign country; provided, the same shall not have been introduced into public use in the United States for more than two years prior to the application, and that [157 U.S. 1, 41] lication of the foreign patent.
one, at the same time with the one having the shortest term, but in no case shall be in force more than seventeen years.
the patent shall expire at the same time with the foreign patent, or, if there be more than one, at the same time with the one having the shortest term; but in no case shall it be in force more than seventeen years.
Now, it is true that, according to the report in the Congressional Globe of the proceedings in the house of representatives, Mr. Jenckes said, when reporting that bill from the committee on patents, that the report of the revisers had been examined by the house committee on revision of the laws of the United States, and 'found to embody all the provisions of existing law in brief, clear, and precise language.' 90 Congressional Globe, 41st Cong., 2d Sess., pt. 3, p. 2679. And it is claimed that other observations made by Mr. Jenckes on the same occasion tend to show that, in his opinion, the bill as reported by the revisers did not change the prior law.
These considerations, it is supposed, should have controlling weight in our interpretation of the act as it finally passed. We cannot assent to this view. If the act of 1870 was nothing more than a revision or consolidation of previous statutes on the same subject, there would be much greater force in the plaintiff's contention than there appears to be. But that act made numerous changes in the previous statutes, some of them of considerable importance. The congress that passed the act of 1870 was not restricted to mere revision or consolidation, even if the act of 1866 be construed as contemplating only the revision and consolidation of previous statutes without material change. But, whatever may have been the scope of the act of 1866, the purpose, in the act of 1870, to go beyond revision, and to amend the existing statutes, is manifest from the title of that act, and from the bill that came from the house committee on patents. When that bill, as it passed the house, reached the senate, various amendments were made in that body. And upon the face of the act, as it finally passed, there are such altera- [157 U.S. 1, 42] tions of the prior law as to impose upon this court the responsibility of determining the effect of such alterations. We cannot accept as controlling, much less conclusive, the opinion of the house committee on the revision of the laws of the United States, as reported by Mr. Jenckes, that the bill it reported embodied only the existing law. Nor can we assume that the house of representatives, much less the senate, based their action upon the opinion of individual members of the house as to the scope and legal effect of report of the revisers. Comparing the bill reported by the revisers and the bill reported by the house committee on patents with the act as it passed, we find it impossible to sustain the view taken by the plaintiff.
It is quite true, as the plaintiff contends, that congress did not intend by the act of 1870 to upt rn the entire policy of the government in reference to patents; but, beyond all question, its final action shows that it made and intended to make important amendments of existing laws.
The revisers, as well as the house committee on patents, proposed that it should be a condition of the protection of an American patent, where the same invention had been first patented in a foreign country, that the invention should not have been introduced into public use in the United States 'prior to the application.' The bill as it passed congress made it a condition that the invention should not have been introduced into public use in this country 'for more than two years prior to the application.'
The revisers proposed that the patent should run 17 years from the date or publication of the foreign patent; whereas, the house committee on patents proposed, and it was so declared in the act as passed, that the American patent should in no case be in force beyond 17 years, and should 'expire at the same time with the foreign patent, or, if there be more than one, at the same time with the one having the shortest term.'
The revisers, the house committee on patents, and congress, all had in view the rights of the inventor at the time when he was to receive or be debarred from receiving a patent for his invention, and not his apparent rights at the date of his [157 U.S. 1, 43] application. Hence the words, 'by reason of the same having been patented in a foreign country more than six months prior to his application,' as found in the act of 1839, were changed in the report of the revisers and in the report of the original bill presented by the house committee on patents, so as to read, 'by reason of his having first patented it in a foreign country.'
We cannot adjudge that the words, 'more than six months prior to his application,' in the act of 1839, were carelessly deopped, or that congress did not have in mind the difference between a clause declaring that an inventor should not be debarred from receiving a patent for his invention 'by reason of the same having been patented in a foreign country more than six months prior to his application,' and a clause declaring that he should not be so debarred 'by reason of its [the invention] having been first patented or caused to be patented in a foreign country.' We have no authority to add to the clause last quoted the words, 'prior to his application.' To do so would be to legislate, and not to interpret and give effect to the statute as passed by congress.
Much has been said about the intention of congress, as manifested by its legislation, to deal liberally with inventors, especially those who were citizens of the United States. This is true. But it is for congress to prescribe the conditions upon which it will secure to inventors the exclusive right to their inventions. What may be due to inventors is a matter about which there may well exist differences of opinion. It is the province of the legislative branch of the government to say when a patent to an inventor shall expire, and therefore, when the public may enjoy, without charge, the benefit of the invention covered by it. We can very well understand how the existing statute may, in some circumstances, operate injuriously to an American inventor who, in addition to the exclusive rights granted to him in this country for the term of 17 years, wishes to secure a monopoly for his invention in other countries; for, if he obtains foreign patents for his invention before obtaining one here, the American patent is limited by law, whether it is so expressed or not in the patent itself, [157 U.S. 1, 44] to expire with the foreign patent having the shortest term. This is the case as it appears from the standpoint of the patentee, without regard to the interests of the American public.
But it is to be remembered-at least it may be assumed that congress was advised-that action by the patent office upon applications for patents was often unduly and purposely delayed by applicants until they could reap the full benefit of the monopoly obtained by them in foreign countries before taking out an American patent. 'In the meantime,' the commissioner of patents, in his annual report as late as 1887, said, 'they [applicants for American patents] are engaged in manufacturing and putting upon the market the article or improvement, but warning the public that the patent is applied for, the effect of which is to give them the absolute control and monopoly of the invention, and to deter all other inventors from entering upon the same field of invention and from manufacturing the article.'
We need not say whether these considerations were or were not sufficient to induce the change first made by the twenty-fifth section of the act of 1870, and perpetuated in the existing statute. They are referred to only as showing what congress may have had in view when it provided, as it did, that an invention covered by a foreign patent, obtained or caused to be obtained before an American patent is granted for the same invention, should be free to the American public as soon as it became by reason of the expiration of the foreign patent free to the people of other countries. If this principle operates harshly upon inventors in certain cases, it is for congress whose discretion is not subject to judicial control, to make provision for those cases, if it be possible to do so without such injury to the people of our country as ought not to be inflicted upon them.
And it may be stated, in this connection, that congress allowed the twenty-fifth section of the act of 1870 to stand, although the commissioner of patents, immediately after the passage of that act, ruled that it had changed the prior law so as to limit an American patent to expire at the same time [157 U.S. 1, 45] with the foreign patent of the shortest term covering the same invention and issued before the American patent, although after the application therefor was made. If, as is insisted, the change was not intended, and was effected only by words incautiously used, or not used with any purpose to introduce a new rule for the limitation of the term of an American patent, some action upon the subject, it may well be assumed, would have been taken by congress after the passage of the act of 1870.
The Revised Statutes of 1874 were adopted, it must be presumed, with the knowledge on the part of congress of the construction previously placed by the patent office upon the twenty-fifth section of the act of 1870. This presumption is strengthened by an examination of the act approved February 18, 1875, entitled 'An act to correct errors and to supply omissions in the Revised Statutes of the United States.' 18 Stat. 316, c. 80. That act, upon its face, shows that the entire revision of 1874, after it took effect, was carefully re-examined for the purpose of ascertaining whether there were errors or omissions in the work of revision. Now it is inconceivable that the difference in the wording of the twenty-fifth section of the act of 1870 or of section 4887 of the Revised Statutes, when compared with the act of 1839, could have escaped the attention of congress, especially as the act of 1870 had been interpreted as introducing a new rule in respect of the term of an American patent, where the same invention was covered by a foreign patent previously issued. The act of 1875, for the purpose of correcting errors and omissions, amended or repealed nearly seventy sections of the Revised Statutes. Still further,-as an examination of the statutes will show,- since the Revised Statutes went into operation nearly 800 sections, other than those referred to in the act of 1875, have been amended or repealed. But no amendment has ever been made of section 4887.
The rule prescribed by the twenty-fifth section of the act of 1870 having been reproduced in section 4887 of the Revised Statutes, and the latter section never having been amended, we ought not, after the lapse of nearly 25 years from [157 U.S. 1, 46] the passage of the act of 1870, place upon its wenty-fifth section, or upon section 4887 of the Revised Statutes, which took its place, any interpretation other than that which the ordinary, natural meaning of their words import.
Our answers, therefore, to the questions certified are that:
Under the facts stated, the invention for which the United States patent to Bate was issued was 'previously patented in a foreign country,' within the meaning of those words in section 4887 of the Revised Statutes, and the United States patent expired, under the terms of that section, before the expiration of 17 years from its date.
It is so certified to the circuit court of appeals.
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Citation: 157 U.S. 1
Docket No: No. 687
Decided: September 19, 1870
Court: United States Supreme Court
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