Inventorship issues can have serious implications in patent litigation, leading to invalidation or unenforceability of the patent at issue, as seen in several notable 2022 cases. In the coming year, patent owners should take...more
The US Court of Appeals for the Federal Circuit affirmed-in-part, vacated-in-part and remanded a district court’s rulings on validity, finding that the patent owner was collaterally estopped from asserting certain patents as...more
In a rare case where the Patent Trial and Appeal Board (PTAB) granted a motion to amend the claims in an inter partes review (IPR), the patent owner successfully canceled all claims subject to review by changing the...more
Confirming that the same panel of judges at the Patent Trial and Appeal Board (PTAB or Board) has the authority to institute America Invents Act (AIA) reviews and make a final determination on the merits, the US Court of...more