Non-infringement holding showcases the importance of a patent’s written description

In a unanimous panel decision, the Federal Circuit found that Hanmi Pharmaceutical Co. Ltd.’s esomeprazole (Nexium®) does not infringe two AstraZeneca patents listed in the Orange Book for its Nexium® product.  AtraZeneca v. Hanmi Pharmaceuticals, No. 13-1490, 2013 U.S. App. LEXIS 25199, (Dec. 19, 2013).  AstraZeneca appealed Judge Pisano’s finding from the United States District…

Does the Federal Circuit use the wrong standard for indefiniteness?

Nautilus Inc. says yes, according to its certiorari petition, seeking Supreme Court review. The Federal Circuit concluded that Biosig Instrument’s patent claims were sufficiently definite. Nautilus’s petition, along with the petition from amici Electronic Frontier Foundation and Public Knowledge, argue the Federal Circuit’s use of the “insolubly ambiguous” test for determining definiteness is nearly impossible…