July 21, 2026
A Federal Circuit panel on Tuesday backed a Patent Trial and Appeal Board decision that declined to strike some claims in a cybersecurity patent owned by Centripetal Networks LLC, even if a "ghost in the room" suggests that it's preserving unpatentable claims.
April 18, 2024
A small cybersecurity startup litigating in Virginia federal court against larger tech companies has failed to persuade the Patent Trial and Appeal Board not to invalidate the entirety of two patents covering ways of combating "evolving" online threats, among other things.
November 08, 2023
After being told by the head of the U.S. Patent and Trademark Office to rethink a decision refusing to review a petition challenging a patent issued to cybersecurity startup Centripetal Networks, an administrative board that looks at the validity of patents has changed its mind.