Zoetis Sues Dechra Over Copy of Drug to Treat Dog, Cat Vomiting

September 20, 2021, 9:28 pm

Zoetis, the maker of Cerenia, an injectable drug used to treat severe vomiting in cats and dogs, alleged in a lawsuit that Dechra’s generic version, Emavert, infringed a patent.

• Zoetis is seeking an injunction preventing Dechra from manufacturing its product until the patent expires and cash compensation if it is done before that time, according to a lawsuit filed Friday in federal court in Wilmington, Delaware
• The patent is entitled “Antimicrobial Preservatives for Achieving a Multi-Dose Formulation with Beta-Cyclodextrins for Liquid Dosage Forms,” says the lawsuit and expires in January 2027: supplementary application
• The patent for the active ingredient of Cerenia, maropitant, has expired, but “formulation patents …

Christopher Yasiejko

Bloomberg editorial team

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