Patent Law

Endo sues Impax over oxymorphone HCl

By Lawrence B. Ebert, Esq.

Hayward, Calif.-based Impax has applied to make a generic form of the pain drug known as Opana ER. Endo (NASDAQ:ENDP) and Penwest Pharmaceuticals Co., which make and sell Opana ER, sued Impax based on an amendment to that application. The amendment added new dosages of the drug ? 7.5 mg, 15 mg and 30 mg.

The St. Louis Business Journal reports:

Energizer Holdings Inc. said Monday [July 28] it filed a lawsuit against Spectrum Brands, alleging the company's lithium batteries infringe on two of its patents.

Full post as published by IPBiz on July 28, 2008 (boomark / email).