By recognizing a constitutional deficiency in the appointment of Patent Trial and Appeal Board (“PTAB”) judges, the Federal Circuit in Arthrex, Inc. v. Smith & Nephew, Inc., 941 F.3d 1320 (Fed. Cir. 2019) set the stage for...more
The Federal Circuit in Amgen Inc. v. Coherus Biosciences Inc. affirmed a district court decision that once certain subject matter is clearly and unmistakably surrendered during prosecution, the patentee is barred from...more
Claim construction, the process by which a court interprets the scope and meaning of a patent’s claims, is a crucial part of patent litigation. In fact, claim construction can make or break a patentee’s case for infringement...more
Some inventions require testing before they are ready for patenting, and sometimes that testing requires use by the public. A recent decision from the Federal Circuit provides additional guidance on what activities qualify...more