Published in Drug Law Weekly, January 16th, 2007
Depomed sued Ivax for infringement of U.S. Patent Nos. 6,340,475 and 6,635,280 by Ivax's extended release metformin hydrochloride tablets. The patents are held by Depomed and relate to the company's AcuForm drug delivery technology. Depomed's Glumetza product is covered by these patents.
After comprehensive briefing and oral argument, Judge Breyer filed a Markman order rejecting all interpretations of the patent claims that Ivax...
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