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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
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
On a second appeal from an inter partes review (IPR) proceeding, the US Court of Appeals for the Federal Circuit reversed the Patent Trial and Appeal Board (PTAB) determination that a patent directed to creating a...more
Before Moore, Taranto, and Chen. Appeal from the Patent Trial and Appeal Board. Summary: The mere fact that a certain thing may result from a given set of circumstances is not sufficient to demonstrate inherency. Instead,...more
In prior blog postings, we have commented on PTAB decisions regarding the standards for demonstrating inherent obviousness. Practitioners should also be aware of a recent Federal Circuit decision clarifying the test is...more