United States Federal Circuit

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The General Hospital Corporation v. Sienna Biopharmaceuticals, Inc., 17-1012

Vacating the Patent Trial and Appeal Board's dismissal of an interference claim for lack of standing and remanding for further proceedings because the description of a method for removing hair using nanoparticles to damage hair follicles was a sufficient written description under the Patent Act because although the description only gave optical density rather than particles per ml, this was enough of a disclosure to convey to those skilled in the art that the inventor had possession of the claimed subject matter.

Appellate Information

  • Argued
  • Submitted
  • Decided
  • Published 2018/05/04




  • United States Federal Circuit


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