Court of Appeals for the Federal Circuit

May 11, 2023
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Federal Circuit Re-Opens Challenge to the Fintiv Rule

Since 2020, the USPTO has been denying requests for post-grant validity challenges based on the controversial Fintiv rule.
May 2, 2023
Photograph of clothespins hanging upside down on a clothesline, the clothespins resemble the letter "A".

The Federal Circuit Interprets the Meaning of “A” in Patent Claims

Fed. Cir. No. 2021-2320, 2021-2376: Typically patent drafters omit phrases like “at least one” from patent claims to improve readability, but a recent court decision may reverse the trend.
January 20, 2023
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Past Conduct Deemed Relevant to Infringement in ANDA Proceedings

CAFC No. 22-1595: In this precedential decision on induced infringement, the Federal Circuit clarified that “past conduct is relevant to what will happen in the future”.
December 22, 2022
circuit board

Federal Circuit Applies Collateral Estoppel in IPR Proceedings

The Court of Appeals for the Federal Circuit found that dependent claims invalidated by collateral estoppel also invalidated the parental independent claim.