The US Court of Appeals for the Federal Circuit clarified that a technical expert does not need to have been a person of ordinary skill in the art (POSITA) at the time of the invention. Instead, they may rely on...more
The Patent Trial and Appeal Board held all challenged claims of IGT’s patent unpatentable as obvious over two prior art patents. Zynga Inc. v. IGT, IPR2022-00199-32. In doing so, the PTAB further held that, contrary to...more
In part 1 of this series, I introduced the “on sale bar” and described how a commercial sale or offer for sale can negate patentability, according to the doctrine the Supreme Court established in Pfaff v. Wells Elecs., Inc....more
On November 9, 2020, the Federal Circuit vacated and remanded a decision by the United States Patent Office Patent Trial and Appeal Board (“PTAB”) in Donner Tech., LLC v. Pro Stage Gear, LLC, holding that the PTAB applied an...more
DONNER TECHNOLOGY, LLC v. PRO STAGE GEAR, LLC - Before Prost, Dyk, and Hughes. Appeal from the Patent Trial and Appeal Board. Summary: A determination as to whether a reference is analogous art to a claimed invention...more