Optimer Pharmaceuticals Announces Issuance of Key Patent Covering Fidaxomicin Methods

Optimer Pharmaceuticals, Inc. OPTR announced today that the United States Patent and Trademark Office (USPTO) has issued U.S. Patent 7,906,489 which covers methods of Clostridium difficile infection (CDI) treatment with fidaxomicin.

The patent, which is eligible for listing in the U.S. Food and Drug Administration's Orange Book, also received a term adjustment of an additional 762 days for the USPTO's delay in the examination process which extends the patent term to March 2027.