Photo of Alvin Lee

Mr. Lee is a summer associate at the firm.

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