Since February 2015, hedge fund manager Kyle Bass has filed more than 30 petitions seeking Inter Partes review of U.S. patents covering approved pharmaceutical products. Kyle Bass even formed a special entity for this purpose–the Coalition for Affordable Drugs–with a stated goal of targeting patents that “have little value other than to drive up prescription…

Last week, the Patent Trial and Appeal Board of the U.S. Patent Office (PTAB) issued eight decisions in Inter Partes review and Covered Business Method proceedings, in each case invalidating at least some of the challenged claims of the patent at issue. That brings to 15 the total number of patents invalidated in an Inter Partes review…

Recent  U.S. Court of Appeals for the Federal Circuit and USPTO decisions underscore the potential value of challenging a granted U.S. patent in a USPTO proceeding, even if the patent already has been held infringed and/or not invalid in district court litigation. In  Fresenius, USA Inc. v. Baxter International, Inc., the Federal Circuit interpreted the ex parte reexamination…

On September 16, 2012, inter partes review proceedings became available against U.S. patents and post-grant review proceedings became available against certain U.S. business method patents. In two weeks, seventeen petitions for inter partes review have been filed and eight petitions for post-grant review have been filed. This article takes a brief look at these new proceedings.