Rituximab 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
Trastuzumab 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
As the era of biologics and biosimilar litigations heats up in the United States, Europe’s Unified Patent Court (UPC) is also taking center stage with the first two biosimilar disputes filed in March and April....more
On February 12, 2024, Chugai, Genentech, and Hoffmann-La Roche filed a motion for voluntary dismissal of their appeals of the PTAB’s Final Written Decisions in IPR2022-00578 and IPR2022-00579. The appeals concerned...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
There are presently seven biosimilar-related appeals pending before the Federal Circuit. Two of those appeals, Amgen v. Sandoz (Case No. 18-1551) and Amgen v. Coherus (Case No. 18-1993), are from district court judgments in...more
The PTAB remains a busy venue for biologics patents. Here are some IPR updates from the weeks since our last IPR update...more
The PTAB has been a busy place for biologics patents in the past few weeks. Here are some of the highlights...more
Pfizer, Inc. has filed two petitions (IPR2017-01488 and IPR2017-01489) challenging claims of U.S. Patent No. 6,407,213 (“the’213 patent”). According to the petitions, the ’213 patent is directed to methods of making humanized...more
Earlier this week, Celltrion filed two petitions for inter partes review of Genentech’s U.S. Patent No. 6,407,213. According to Celltrion’s petitions, the patent is directed to humanized antibodies. ...more
Celltrion has filed two additional petitions for inter partes review of Genentech patents related to trastuzumab: IPR2017-01139, challenging U.S. Patent 6,627,196, and IPR2017-01140, challenging U.S. Patent 7,371,379....more
Celltrion has filed petitions for inter partes review of two patents related to Genentech’s trastuzumab: IPR2017-01121, challenging U.S. Patent 7,846,441, and IPR2017-01122, challenging U.S. Patent 7,892,549. According to...more
Celltrion has filed a petition for inter partes review (IPR2017-00959) of Genentech’s U.S. Patent 8,591,897. According to the petition, the patent is directed to methods of treating a sub-type of breast cancer with a regimen...more