In June 2022, Enanta filed a lawsuit against Pfizer in a US district court in Massachusetts, claiming that the big pharma ...

Pfizer (PFE) stock in focus as Enanta Pharmaceuticals (ENTA) sues the pharma giant in the EU, claiming its COVID pill ...

Enanta Pharmaceuticals, Inc. (NASDAQ: ENTA), a clinical-stage biotechnology company dedicated to creating novel, small ...

Enanta (ENTA) announced that it has filed suit in the Unified Patent Court of the European Union against Pfizer (PFE) and certain of its ...

Enanta Pharmaceuticals ( ($ENTA) ) has shared an announcement. On August 20, 2025, Enanta Pharmaceuticals announced it filed a patent infringement ...

Enata Pharmaceuticals is suing Pfizer in a European Union court, alleging Pfizer's Paxlovid Covid-19 antiviral violates one of its patents. Enata said its patent, published Wednesday in the European ...

Pfizer did not immediately respond to requests for comment. Enanta filed the patent in July 2020, two years before the U.S. Patent and Trademark Office approved it, according to a press release.

The patent in question, U.S. Patent No. 11,358,953, was claimed by Enanta to be infringed by Pfizer through the manufacture, use, and sale of Paxlovid.

Enanta Pharmaceuticals (NETA) stock fell as the company plans to appeal a court ruling favoring Pfizer in a patent dispute over COVID-19 pill Paxlovid. Read more here.

Company News Published12/24/2024, 07:05 AM Pfizer prevails in Enanta patent case over Covid-19 drug View all comments (0)0 ENTA -2.56% ...

Enanta seeks fair compensation for Pfizer’s use of a coronavirus 3CL protease inhibitor claimed in the ‘953 patent. About Enanta Pharmaceuticals, Inc.