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Document May Be Prior Art Despite Confidentiality Provisions

On February 8, 2024, the Federal Circuit Court of Appeals held that confidentiality provisions do not protect a document from being prior art if that document is intended for engagement with target audience.  Weber, Inc. v. Provisur Techs., Inc., 92 F.4th 1059, 1065...

Petitioner’s IPR Reply: New Argument or Proper in Scope?

On August 11, 2023, the Federal Circuit laid out the permissible scope of a petitioner’s reply in IPR. Before the court was an appeal of PTAB’s findings of unpatentability, on remand, in IPR2016-01502 re U.S. Patent No. 6,548,019. Rembrandt Diagnostics, LP v. Alere,...

Estoppel Is Not a Two-Way Street Between Courts and PTAB

35 U.S.C. § 315(e) prohibits a petitioner in an Inter Partes Review (“IPR”) that results in a final written decision from asserting, in litigation, invalidity “on any ground that the petitioner raised or reasonably could have raised during that inter partes review.”...

Claim Construction: Context Over Extrinsic Evidence

On April 12, 2023, the U.S. Court of Appeals for the Federal Circuit rejected the district court’s claim construction for “computer-readable recording medium” and, as a result, reversed the district court’s ineligibility determination under 35 U.S.C. § 101. Sequoia...

The Expanding Scope of Inter Partes Review Estoppels

35 U.S.C. § 315(e) prohibits a petitioner in an Inter Partes Review (“IPR”) that results in a final written decision from asserting, in litigation, invalidity “on any ground that the petitioner raised or reasonably could have raised during that inter partes review.”...

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