Teva and Its Potential Impact on Patent Litigation

The Supreme Court recently handed down its 7-2 opinion in Teva Pharmaceuticals USA, Inc. v. Sandoz, Inc. The case involved a Federal Circuit review of a district court’s determination that Teva’s patent claims were not indefinite with respect to the phrase “molecular weight.” During trial, the District Court construed the phrase “molecular weight” by considering expert declarations from both parties relating to different ways to calculate a molecular weight, and how the specification supported or conflicted with each of the ways to calculate molecular weight. The District Court credited Teva’s expert declaration at the expense of Sandoz’s expert declaration.

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