SigmaPharm Appeals Skelaxin Antitrust, Contract Suit

Law360 (March 18, 2011, 6:23 PM EDT) -- Generic-drug maker SigmaPharm Inc. on Friday appealed a Pennsylvania federal judge's dismissal of its antitrust and contract suit against Mutual Pharmaceutical Co. Inc. and King Pharmaceuticals Inc. over royalties for a potential generic version of muscle relaxant Skelaxin.

A notice of appeal was filed in the U.S. District Court for the Eastern District of Pennsylvania, a couple of weeks after Judge Cynthia M. Rufe threw out SigmaPharm's suit. The case is being appealed to the U.S. Court of Appeals for the Third Circuit.

SigmaPharm had a development agreement with Mutual and United Research Laboratories Inc., another defendant in the case, to...

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