Insulin Glargine 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
PFIZER INC. v. SANOFI PASTEUR INC. - Before Lourie, Bryson, and Stark. Appeal from the Patent Trial and Appeal Board....more
In an appeal from a Patent Trial & Appeal Board finding of invalidity, the US Court of Appeals for the Federal Circuit held that the result-effective variable doctrine can apply even when there is no overlap between a claimed...more
Last week, the Federal Circuit handed down its opinion in Pfizer Inc. v. Sanofi Pasteur Inc., affirming the Patent Trial and Appeal Board's (PTAB) determination that all claims of U.S. Patent No. 9,492,559 challenged in...more
Facing what is likely to be something of an uphill battle in seeking to have the Federal Circuit's decision against it in Amgen v Sanofi overturned before a not always patent-friendly Supreme Court, Amgen in late December...more
As we close out another calendar year, we look back at the top legal developments of 2021 that could influence the market for biologics and biosimilars. There were many interesting decisions and other developments in district...more
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...more
Yesterday, December 12, 2018, the Board issued Final Written Decisions finding Claims 1-25 of U.S. Patent No. 7,476,652 (IPR2017-01526) and Claims 1-20 of U.S. Patent No. 7,713,930 (IPR2017-01528) unpatentable as obvious over...more
Since 1999, the United States Patent and Trademark Office (“Patent Office”) has permitted the claiming of antibodies by disclosing the targeted antigen. In 2002, the Federal Circuit adopted Patent Office guidelines and...more
Last week, in the ongoing Immunex v. Sanofi patent litigation regarding Immunex’s claims of infringement against Sanofi and Regeneron’s Dupixent® (dupilumab) product, Immunex moved to stay the litigation pending resolution of...more
It has been four years since the first inter partes review proceedings were filed in the United States. The first IPR petition, filed on September 16, 2012 (the first day IPRs became available), made it all the way to the...more