Ascletis Pharma Faces Third-Party Challenge Over U.S. Patent Validity in Post Grant Review

Reuters
06-30
Ascletis Pharma Faces Third-Party Challenge Over U.S. Patent Validity in Post Grant Review

Ascletis Pharma Inc. has announced that a petition for Post Grant Review has been filed with the United States Patent and Trademark Office by Conjupro Biotherapeutics, Inc., a subsidiary of CSPC Pharmaceutical Group Limited. The petition challenges the validity of specific claims in one of Ascletis Pharma's granted U.S. patents. The patent in question covers the molecular structure of Compound 1, which is identical to Compound 10 in CSPC's pending patent application. Ascletis had filed its patent application approximately three months before CSPC's application. The petition is currently under review by the USPTO, and its potential impact on Ascletis cannot be determined at this stage. The company will monitor developments closely and inform shareholders and investors of any significant updates.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Ascletis Pharma Inc. published the original content used to generate this news brief on June 30, 2025, and is solely responsible for the information contained therein.

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