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Genentech Defends Herceptin Dosing Patents Before PTAB

Law360, Alexandria, Va. (May 8, 2018, 9:52 PM EDT) -- Genentech Inc. defended two dosage patents for blockbuster breast cancer drug Herceptin against assertions of obviousness by Hospira Inc. by telling a Patent Trial and Appeal Board panel the Pfizer Inc. unit had failed to show a skilled practitioner in 1999 would have expected the drug to remain effective after three weeks.

Hospira lawyer Amanda Hollis of Kirkland & Ellis LLP told the panel the only novel invention now claimed by Genentech is the once-in-three-weeks injection timetable. But that isn’t even the primary invention claimed by...
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