The Interplay of Appeals to the Federal Circuit from Both District Court and the PTAB

The recent case involving United Therapeutics’ patent on Tyvaso and Liquidia’s Yutrepia sheds light on the complexities of patent law. The Federal Circuit’s initial infringement finding, followed by the Patent Trial and Appeal Board’s ruling of invalidity, highlights the importance of timing in appeals from both the district court and the PTAB….
By: Fenwick & West LLP