Does the Term “Human Antibody” Include Humanized Antibodies?
By EsqSocial Corporation 03/11/20
In the context of Immunex’s patent on IL-4 antibodies, the Federal Circuit says yes. On October 13, 2020, the Federal Circuit affirmed the Patent Trial and Appeal Board’s (the “Board”) final written decision in IPR2017-01884, holding invalid all claims of U.S. Patent No. 8,679,487 (“the ’487 patent”) assigned to Immunex. The ‘487 patent is drawn to an isolated “human antibody” that binds to the human interleukin-4 (IL-4) receptor in competition with a reference antibody defined by specific...
By: Rothwell, Figg, Ernst & Manbeck, P.C.