Etanercept Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more
The U.S. Patent Trials & Appeals Board (Board) recently issued an Order granting Celltrion’s motion to submit supplemental information in its IPR (2022-00578) against U.S. Pat. No. 8,580,264, owned by Chugai Seiyaku...more
As we previously reported, Pfizer filed a petition for IPR of certain claims of Hoffman-La Roche’s U.S. Patent No. 8,314,225 (IPR2018-01219). According to the petition, the challenged claims “purport to claim nucleic acid...more
The PTAB has been a busy place for biologics patents in the past few weeks. Here are some of the highlights...more