Earlier this week, the PTAB instituted inter partes review of two patents directed to methods of treating rheumatoid arthritis by subcutaneously administering tocilizumab and devices for subcutaneously administering tocilizumab, respectively. Fresenius filed petitions for inter partes review of U.S. Patent Nos. 8,580,264 (“the ’264 patent”), owned by Chugai and Roche,…
On September 10, 2021, Janet Woodcock, the acting FDA Commissioner of Food and Drugs at the FDA, sent a letter to Andrew Hirshfield, Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office (USPTO) “pursuant to Executive Order 14036, and in the hope…
On March 26, 2021, the PTAB issued its Final Written Decision in Mylan Pharmaceuticals, Inc. v. Sanofi-Aventis Deutschland GMBH, IPR2019-01657, which involved Sanofi’s Patent RE47,614 (“’614 patent”) relating to its LANTUS (insulin glargine) product. The PTAB ruled in favor of Mylan and held all 18 claims invalid for obviousness in view…
As we previously reported, in October 2018, Pfizer persuaded the Patent Trial and Appeal Board (PTAB) that the claims of Biogen’s U.S. Patent No. 8,821,873, directed to a method of treating lymphoma with anti-CD20 antibodies and covering the cancer therapeutic RITUXAN (rituximab), were unpatentable on obviousness grounds. After appealing to…
As previously reported, in February 2019, the Patent Trial and Appeal Board issued final written decisions in two IPR proceedings initiated by Sanofi challenging the U.S. Patent No. 8,679,487 (the ’487 patent) owned by Immunex. In IPR2017-01884, the Board held that the challenged claims of the ‘487 patent were unpatentable…
As we previously reported, Mylan filed a number of IPR petitions challenging a total of seven of Sanofi-Aventis’s patents related to Lantus® (insulin glargine injection). On May 29, 2020, the PTAB issued Final Written Decisions in eight of Mylan’s pending petitions concerning four patents finding most of the challenged claims…
We are pleased to present the second in a series of webinars relating to Goodwin’s Guide to Biosimilars Litigation and Regulation in the U.S. which provides expert guidance and practical know-how for lawyers working in this growing area of the law. The second webinar, Biosimilars Patent Challenges At The PTAB,…
The Supreme Court yesterday narrowed the scope of judicial review of proceedings before the Patent Trial and Appeal Board (PTAB) in Thryv, Inc. v. Click-to-Call Technologies, LP. Thryv had petitioned the PTAB to institute an IPR of Click-to-Call‘s patent. Thryv’s predecessor had been sued on that patent more than one…
We previously covered the Patent Trial and Appeal Board’s (the “Board”) institution of inter partes reviews filed by Mylan challenging the validity of various Sanofi patents relating to devices for administering insulin glargine: IPR2018-01675, IPR2018-01676 (Patent 8,603,044 B2); IPR2018-01678, IPR2018-01679, IPR2019-00122 (Patent 8,992,486); IPR2018-01680, IPR2018-01682 (Patent 9,526,844 B2); and IPR2018-01684 (Patent…
As previously reported, earlier this year Fresenius filed a petition for inter partes review of claims 9-10, 13-21 and 23-30 of Amgen’s pegfilgrastim patent – U.S. Patent No. 9,643,997 (“997 patent”). The challenged claims of the ’997 patent relate to methods for purifying proteins of interest expressed in a non-native…