Amgen, Hospira Battle Over Experts Ahead Of Patent Trial

By Vince Sullivan (June 28, 2017, 6:23 PM EDT) -- Pharmaceutical company Amgen Inc. sparred Wednesday in Delaware federal court with competitor Hospira Inc. over expert reports each side is hoping to use at a September patent infringment trial on Hospira's efforts to produce a biosimilar version of Amgen's anti-anemia drug Epogen.

During a hearing in Wilmington, attorneys for Amgen attempted to poke holes in the methodology used by Hospira's expert witness to calculate potential damages caused by Hospira's alleged infringement of U.S. Patent Numbers 5,756,349 and 5,856,298 through its biosimilar version of Epogen. The drug is used to treat anemia in dialysis patients.

Amgen attorney Julianne M. Hartzell of Marshall...

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