Enanta Pharmaceuticals has initiated legal action against Pfizer (PFE) over a patent infringement related to Paxlovid, ...

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

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 ...

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

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.

This press release contains forward-looking statements, including statements with respect to Enanta’s suit against Pfizer, Inc. in the United States District Court for the District of ...

The court allows Pfizer's motion for summary judgment as to invalidity and denies Enanta's motion for summary judgment as to infringement. The court denies the parties' respective motions to exclude ...

The Court issued a summary judgment decision granting Pfizer’s motion that the ‘953 Patent is invalid. In its decision, the Court also denied Enanta’s partial motion for summary judgment of ...

Enanta Pharmaceuticals (ENTA) announced that the United States District Court of Massachusetts has issued a ruling on a summary judgment motion filed by Pfizer (PFE) in connection with Enanta’s ...