10/19/2005 5:11:44 PM
CollaGenex Pharmaceuticals, Inc. (Nasdaq:CGPI) today announced that it has filed a complaint for patent infringement against IVAX Pharmaceuticals Inc. and CorePharma LLC ("Defendants") in the United States District Court for the Eastern District of New York. CollaGenex alleges that the Defendants' submissions of Abbreviated New Drug Applications ("ANDA's") covering their 20mg tablets of doxycycline hyclate infringe United States Patent RE 34,656, of which CollaGenex is the exclusive licensee. CollaGenex is seeking an injunction preventing the Defendants from introducing 20mg tablets of doxycycline hyclate into the market in the United States.
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