Pfizer, BMS Aim To Block Generic In Blood Thinner IP Fight

Law360, London (May 12, 2021, 12:18 PM BST) -- Pfizer and a subsidiary of Bristol Myers Squibb have hit back at an attempt by Teva to invalidate patents for development of a blockbuster blood thinner, saying the generic drugmaker's planned thrombosis treatment infringes its patents.

Bristol-Myers Squibb Holdings Ireland Unlimited Co. and Pfizer Inc. pushed back in an amended High Court defense and counterclaim against the lawsuit brought by Teva Pharmaceuticals, which asserts that none of the elements stated within the patents create a new, patentable invention.

And the companies say in the April 30 filing, which recently became public, that unless Teva is restrained by the High Court it will...

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