The Federal Circuit issued a precedential opinion on March 4, 2025, that serves as valuable guidance for product-by-process claims, particularly in the context of inherency in claim construction. In Restem, LLC v. Jadi Cell,...more
Limits of Inherent Anticipation in Product-by-Process Claims - In Restem, LLC v. Jadi Cell, LLC, Appeal No. 23-2054, the Federal Circuit held that inherency in product-by-process claims requires the prior art to inevitably...more
The US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board’s determination that 79 challenged composition claims across three related patents were unpatentable but reversed the Board’s...more
Just Because Something May Result From a Prior Art Teaching Does Not Make it Inherent in that Teaching - In Personal Web Technologies, LLC v. Apple, Inc., Appeal No. 2018-1599, the Federal Circuit clarified that the mere...more
Among the many differences from a patent litigation in a district court, the expedited nature of an inter partes review (IPR) brings with it an obligation for the petitioner to have a full-fledged legal theory of its case...more