On appeal from an interference proceeding, the US Court of Appeals for the Federal Circuit reversed a Patent Trial & Appeal Board decision that found the claims of the senior party’s patent were not invalid as time-barred...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
Inventorship determinations have been called, in some of their incarnations, "one of the muddiest concepts in the muddy metaphysics of patent law." Mueller Brass Co. v. Reading Indus., 352 F. Supp. 1357, 1372 (E.D. Pa....more
On February 10, 2020, the European Patent Office Opposition Division announced the results of an opposition filed against patent EP2800811, owned by the Regents of University of California, University of Vienna, and Emanuelle...more