Teva Hits Back In Gilead Patent Suit Over HIV Drug

Law360, New York (October 12, 2009, 6:00 PM EDT) -- Teva Pharmaceutical Industries Ltd. has struck back with patent invalidity counterclaims against rival Gilead Sciences Inc. in an infringement case involving drug treatments for HIV.

On Friday, Teva filed a second amended answer and counterclaim to the suit Gilead brought against the company in the U.S. District Court for the Southern District of New York.

In a second amended complaint, Gilead accused Teva of infringing patents for Truvada, tablets containing 200 mg of emtricitabine and 300 mg of tenofovir disoproxil fumarate, and for Atripla, which is...
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