The USPTO has launched a sweeping recalibration of its post-grant proceedings at the PTAB, signaling a decisive pivot back toward discretionary denials of patent challenges. With the rescission of prior procedural guidance, a...more
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) 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