Scilex Holding Company Appeals Lower Court Decision in ZTlido Patent Infringement Lawsuit

SCLX
October 08, 2025

Scilex Holding Company announced it has appealed a lower court decision to the U.S. Court of Appeals for the Federal Circuit in Washington, DC. This appeal pertains to its patent infringement action against Aveva Drug Delivery Systems, Inc.

Following a trial in July 2024, the U.S. District Court for the Southern District of Florida found that Aveva's proposed product did not infringe Scilex's Orange Book-listed patents covering ZTlido.

Scilex stated its intention to vigorously pursue its infringement action on appeal, asserting its belief in the strength and validity of its ZTlido intellectual property and that Aveva is infringing on its patents.

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