Endo Targets Generics Makers Over Lidoderm Patch IP

Law360, Los Angeles (July 6, 2012, 2:30 PM EDT) -- Endo Pharmaceuticals Inc. and Teikoku Seiyaku Co. Ltd. filed a patent infringement suit Thursday against TWi Pharmaceuticals Inc. and Teh Seng Pharmaceutical Manufacturing Co. Ltd., saying the companies' planned generic version of the Lidoderm pain relief patch for shingles suffers violates three patents.

Endo, which markets and distributes the lidocaine-containing Lidoderm patch, and Teikoku, which licenses transdermal drug delivery technologies used in the patch, claim that an abbreviated new drug application filed by TWi seeking U.S. Food and Drug Administration approval to sell a generic Lidoderm...
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