Yesterday, Mon., Apr. 9, 2012, in Aventis v. Hospira, No. 2011-1018, the Federal Circuit (Linn, Dyk, and Prost) applied the Therasense inequitable conduct standard to affirm a district court’s ruling that two patent were unenforceable based on withheld prior art.  This may be the first Federal Circuit decision to affirm inequitable conduct under the stricter Therasense standard.
Continue Reading Patent Alert: Federal Circuit applies strict Therasense test, yet affirms patents unenforceable for inequitable conduct (Aventis v. Hospira)