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Merck Wants Fed. Circ. Redo On Decision Backing Axed IP

By Adam Lidgett ( December 1, 2025, 8:22 PM EST) -- German drugmaker Merck has asked the Federal Circuit to rethink its decision upholding the invalidation of claims in two patents on the blockbuster multiple sclerosis drug Mavenclad, saying the ruling creates a rule where inventors' work can later be used against them....

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