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Watson Pharmaceuticals has agreed to license its bupropion hydrochloride absorption method patent for $35 million as part of a settlement to resolve patent litigation regarding GlaxoSmithKline’s (GSK) Wellbutrin XL.
A federal court has ruled against sanofi-aventis in its patent infringement suit against Amphastar and Teva, paving the way for the FDA to review generic versions of the anticoagulant drug Lovenox.
Sanofi-aventis has filed a patent infringement lawsuit in federal court to block the manufacturing and marketing of zolpidem tartrate, a generic version of its blockbuster sleep drug Ambien CR.
One day after the FDA granted first-filer Ranbaxy Pharmaceuticals permission to market valacyclovir hydrochloride tablets, patent holder GlaxoSmithKline quickly moved to stop the generic firm from cutting in on sales of its blockbuster herpes treatment drug, Valtrex.
Despite being the first to win final FDA approval — with 180 days of exclusivity — to manufacture and market generic Focalin, Teva Pharmaceutical still has to prevail in court against Novartis and Celgene.
Apotex wants legal protection from patent infringement liabilities related to the manufacturing and marketing of ranitidine hydrochloride, a generic version of GlaxoSmithKline’s (GSK) Zantac, according to a complaint filed in federal court.
Multiple patent infringement lawsuits filed in federal court by Teva Pharmaceutical against competitors gearing up to market their own generic versions of Zoloft could jeopardize their efforts, legal sources say.
One day after the FDA granted first-filer Ranbaxy Pharmaceuticals permission to market valacyclovir hydrochloride tablets, patent holder GlaxoSmithKline (GSK) quickly moved to stop the generic firm from cutting in on sales of its blockbuster herpes treatment drug, Valtrex.
A Beijing court has ordered three local drug manufacturers in China to pay a $38,000 fine, apologize publicly and stop making counterfeit versions of Pfizer’s blockbuster impotence drug, Viagra, a company spokesman said.
A federal district court has ordered Abbott Laboratories to immediately stop selling its diagnostic testing products developed with patented hepatitis C virus technology owned by biotech firm Innogenetics.