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McDermott Will & Schulte

Specification controls: Written description must be clear

The US Court of Appeals for the Federal Circuit reversed a district court’s decision upholding patent validity, finding that the subject patent’s specification clearly established that the written description failed to...more

Sheppard Mullin Richter & Hampton LLP

Salazar v. AT&T Mobility LLC No. 21-2320 (Fed. Cir. Apr. 5, 2023)

This case addresses the construction of the articles “a” and “said” in relation to subsequently recited functions and whether “a” can be restricted to be singular in its meaning....more

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