On July 18, 2025, the US Court of Appeals for the Federal Circuit reversed a lower court ruling in Colibri Heart Valve LLC v. Medtronic CoreValve, LLC, holding that prosecution history estoppel barred the patentees’ doctrine...more
On January 7, 2019, the United States Patent and Trademark Office (USPTO) issued the 2019 Revised Patent Subject Matter Eligibility Guidance, a major update to the examination guidelines for evaluating whether a patent claim...more
The US Patent and Trademark Office (USPTO) announced a new pilot program for responding to final rejections. This program, called the Post-Prosecution Pilot Program (P3), combines the three-examiner panel of the Pre-Appeal...more