GSK, Roche Spar Over Herceptin Patents

Law360, New York (September 22, 2010, 6:29 PM EDT) -- GlaxoSmithKline LLC is facing off against Roche Holding Ltd. and its subsidiary Genentech Inc. in dueling patent infringement suits over breast cancer treatment drug Herceptin.

British drugmaker GSK filed suit Monday in the U.S. District Court for the District of Delaware, accusing its rivals of violating two patents through Genentech’s manufacture of the antibody drug.

The complaint came the same day Genentech filed its own patent infringement suit against GSK in the U.S. District Court for the Northern District of California, according to a Genentech spokeswoman,...
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