Midyear Review: Key Changes in Patent Law Impacting Court Evaluations and Challenges in 2025

The first half of 2025 has seen significant developments in patent law. A prominent ruling by the full Federal Circuit has brought increased focus on the testimony concerning patent damages, potentially affecting how courts evaluate expert opinions in such cases. This decision underscores the heightened complexity involved in calculating patent-related financial awards.

In parallel, the U.S. Patent and Trademark Office (USPTO) has established new criteria for rejecting patent challenges. These guidelines, put forth by the acting director, aim to streamline the process and elevate the standards necessary to contest a patent effectively.

These are just a few highlights of the key patent rulings so far this year, and they carry broad implications for the future handling of patent disputes. For a more detailed account, refer to the original coverage on Law360.