2023 WL 5370639 at *4 (Fed. Cir. Aug. 22, 2023) (nonprecedential). The Federal Circuit has been utilizing the “lead compound” construct since around 2000.

The PTAB is starting to provide teeth to the Federal Circuit’s lead compound analysis making it more difficult for petitioners to successfully challenge chemical patents in AIA proceeding, as ...

In an earlier article, “Tips for Selecting a ‘Lead Compound’ in Compound Claim Challenges,” I introduced an approach derived by U.S. federal courts called the “lead compound analysis ...

Lead Compound Analysis Not Always Applicable Gasper LaRosa Jones Day + Follow Contact ...