USPTO Issues Initial Action on Reexamination of Cadence Pharmaceuticals Patent

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SAN DIEGO, Aug. 15, 2013 /PRNewswire/ — Cadence Pharmaceuticals, Inc. (Nasdaq: CADX) today announced that the United States Patent and Trademark Office (USPTO), has issued a non-final, initial office action in the Ex Parte Reexamination of US Patent No. 6,028,222, or the ‘222 patent, one of the two licensed patents covering OFIRMEV® (acetaminophen) injection. Although the USPTO made an initial determination to reject certain claims, all of the claims of the ‘222 patent remain valid and in force until the USPTO a final action in this reexamination.

“This initial office action by the USPTO is not a final decision, rather, it’s just one step in the reexamination process, which can take many years to complete. It’s very common for the USPTO to reject some or all of the claims of a patent in an initial office action, however, claims that are initially rejected may be subsequently allowed. Importantly, we don’t expect this action to have an adverse impact on the pending litigation against Exela,” said Ted Schroeder, President and CEO of Cadence. “We strongly believe that the scope and validity of the patent claims in the ‘222 patent are appropriate and that the USPTO’s prior issuance of the patent was correct.”

The ‘222 patent covers the formulation of OFIRMEV, and expires in August 2017, and US Patent No. 6,992,218, covers the process used to manufacture OFIRMEV, and expires in June 2021. Upon completion of the company’s ongoing pediatric clinical trial of OFIRMEV,

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