In a recent opinion, the Federal Circuit added several new wrinkles to amendment practice in inter partes review proceedings. The court affirmed the Patent Trial and Appeal Board’s determination that most of the original...more
The US Patent and Trademark Office (USPTO) recently issued an update to its procedures for interim Director Review (DR) of decisions by the Patent Trial and Appeal Board (PTAB), evidencing USPTO Director Kathi Vidal’s efforts...more
The US Patent and Trademark Office (USPTO) published an Advance Notice of Proposed Rulemaking (ANPRM) on April 20 seeking comments on proposed changes to America Invents Act trial proceedings before the Patent Trial and...more
A recent Federal Circuit opinion clarified that patent owners carry the burden of proving that inter partes review (IPR) estoppel applies to invalidity grounds not included in their IPR petitions. The Federal Circuit also...more
Director of the US Patent and Trademark Office (USPTO) Kathi Vidal recently designated as precedential a decision by the Patent Trial and Appeal Board (PTAB) rejecting the petitioner’s invalidity challenge, since it was based...more
The Patent Trial and Appeal Board recently granted the institution of an inter partes review in Samsung Electronics Co. v. Staton Techiya, LLC, despite the existence of a parallel proceeding in the US District Court for the...more
The US Patent Trial and Appeal Board on December 23, 2021, instituted an inter partes review even though an unrelated party had already unsuccessfully challenged the validity of the patent in district court. In the decision...more