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J&J Unit Takes On Wyeth's Effexor In Patent Suit

Law360 (July 27, 2006, 12:00 AM EDT) -- A pharmaceutical unit of health care giant Johnson & Johnson has filed a patent infringement lawsuit against U.S. rival Wyeth over the drug-delivery system used in Wyeth’s popular antidepressant Effexor XR.

The suit was filed on behalf of J&J’s Mountainview, Calif.-based subsidiary Alza Corp., which specializes in drug-delivery systems. The lawsuit was filed July 26 in the U.S. District Court for the Eastern District of Texas.

In the complaint, Alza accused Wyeth of willfully infringing its patent covering controlled-release dosage technology for Effexor’s specific chemical compound....
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