Tag Archives: Sanofi Aventis

Federal Circuit Questions Written Description For Antibody Claims

The October 5, 2017 Federal Circuit decision in Amgen Inc. v. Sanofi is getting a lot of attention for its commercial impact, because the court vacated the permanent injunction that prevented Sanofi and Regeneron from marketing their cholesterol-lowering Praluent® (alirocumab) product, which will compete with Amgen’s Repatha® (evolocumab) product. But the decision also addresses several … Continue reading this entry

Sanofi Seeks IPR Of Cabilly Patent

On July 27, 2015, Sanofi-aventis U.S. LLC and Regeneron Pharmaceuticals, Inc. filed a petition for Inter Partes Review (IPR) of the “Cabilly II” patent, U.S. Patent No. 6,331,415. The Cabilly II patent granted shortly after I started my career as an attorney, and has stayed in the news almost ever since. Will this IPR make its final headlines?… Continue reading this entry

Federal Circuit Holds Full Sequence Not Required For Invention Of DNA

In Sanofi-Aventis v. Pfizer, Inc., the Federal Circuit affirmed the USPTO’s determination that Pfizer had proven an earlier date of invention of the DNA sequence at issue, even though it did not have the full, correct nucleotide sequence at the time. Because the subject matter at issue relates to cDNA, it remains patent-eligible under the … Continue reading this entry

Federal Circuit Affirms Unenforceability of Taxotere Patents

In Aventis Pharma S.A. v. Hospira, Inc., the Federal Circuit upheld the district court’s finding that two of the Orange Book listed patents for Sanofi Aventis’ cancer drug Taxotere are unenforceable for inequitable conduct.  The Federal Circuit found that the district court’s analysis followed the framework required by its 2011 en banc decision in Therasense, … Continue reading this entry