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Related Patent News

Company Wins Summary Judgment In Patent Litigation


New York, NY - Kenyon & Kenyon LLP client KV Pharmaceutical Company has announced that the United States District Court for the Eastern District of Missouri has granted its motions for summary judgment in a patent infringement case filed against it by AstraZeneca. The case arose from KV’s submission of ANDAs seeking approval to market generic formulations of AstraZeneca’s beta-blocker Toprol-XL (metoprolol succinate extended-release tablets) The case is In re Metoprolol Succinate Patent Litigation, MDL-1620-RWS.

The Court granted the motions filed by KV Pharmaceutical Company and its co-defendants Andrx Corporation and Eon Labs for summary judgment of invalidity and unenforceability of both patents that were asserted by AstraZeneca (U.S. Patents 5,001,161 and 5,081,154). Both patents were held invalid, as well as being held unenforceable for inequitable conduct committed by AstraZeneca during prosecution of the patents before the U.S. Patent and Trademark Office.

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Did You Know?

You may apply for a patent for your invention.

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Patent

Definition:
A patent is a document that defines the right by law for inventors and assignees to make use of and exploit their inventions for a limited period of time.

IFW

Definition:
Image File Wrapper - an electronic version of a patent application, including image and/or text versions of the bibliographic information, all papers as filed, and all office actions and correspondence related to that application.

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