all - Opinion Summaries

PIONEER MAGNETICS, INC. v. MICRO LINEAR CORP.

Intellectual Property, Patent
Prosecution history estoppel precludes infringement under the doctrine of equivalents where the prosecution history demonstrates that the amendment...

GLOBETROTTER SOFTWARE, INC. v. ELAN COMPUTER GROUP, INC.

Intellectual Property, Patent
Where a unique identifier is assigned to each license file regardless of whether that license file contains any licenses, the identifier is a defining...

TRONZO v. BIOMET, INC.

Intellectual Property, Patent
An patent infringement damages award for lost profits based on defendant's profits from sales of the device lacks the necessary nexus with the tort...

UNION PAC. RESOURCES CO. v. CHESAPEAKE ENERGY CORP.

Evidence, Intellectual Property, Patent
Substantial evidence in the record supported district court's findings that patent was invalid for non-enablement and indefiniteness. Lay witnesses...

VANGUARD PROD. CORP. v. PARKER HANNIFIN CORP.

Intellectual Property, Patent
A dictionary is not prohibited extrinsic evidence as a resource of claim construction, and method of manufacture does not itself limit the claim, even...

STRYKER CO. v. DAVOL INC.

Intellectual Property, Patent
In reaching a verdict of willful infringement, a jury may reasonably find that reliance on counsel's opinions was not reasonable, that the defendant...

APPLE COMPUTER, INC. v. ARTICULATE SYSTEMS, INC.

Cyberspace Law, Intellectual Property, Patent
Language in a claim preamble acts as a claim limitation only when such language serves to "give meaning to a claim and properly define the invention,"...

RUIZ v. A.B. CHANCE CO.

Intellectual Property, Patent
District court must make factual findings on obviousness as set forth by the Supreme Court in Graham v. John Deere Co., 383 U.S. 1, 17-18, 148 USPQ...

FESTO CORP. v. SHOKETSU KINZOKU KOGYO KABUSHIKI CO., LTD.

Patent
An amendment to a patent application that narrows the scope of a claim for any reason related to the statutory requirements for a patent will give...

WATTS v. XL SYSTEMS, INC.

Intellectual Property, Patent
When claim language is not clear on its face, the court must consult the specification to determine patentee definitions for the terms.