Artes Medical Asks EPO, USPTO To Revoke Patents For Sanofi-Aventis Lipoatrophy Treatment

Law360, New York (October 14, 2004, 12:00 AM EDT) -- A U.S. drug maker has asked the European Patent Office and the U.S. Patent and Trademark Office to revoke patents held by French rival Sanofi-Aventis on the dermatological treatment Sculptra.

Artes Medical claims to have filed for a U.S. patent on a similar treatment in 1994. The opposition request to the EPO and the USPTO argues that Sculptra contains no innovation in comparison with that product.

The patent relates to the injectable microsphere implant technology used in its injectable skin fillers with the brand names Sculptra...
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