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McDermott Will & Emery

A Substantially Pure Isomer Is Obvious When the Completely Pure Isomer Is Known In The Art - Spectrum Pharms., Inc. v. Sandoz Inc.

McDermott Will & Emery on

Many prior cases have addressed whether a pure stereoisomer is obvious when the corresponding 50/50 mixture is known in the prior art. In upholding a finding of summary judgment, however, the U.S. Court of Appeals for the...more

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