We use cookies on this site to enable your digital experience. By continuing to use this site, you are agreeing to our cookie policy. close

September 6, 2016

Amphastar Pharmaceuticals, Inc, et al v. Momenta Pharmaceuticals, Inc, et al

Track this case

Case Number:



Appellate - 1st Circuit

Nature of Suit:

3410 Antitrust


Sectors & Industries:

View recent docket activity

Reflects complaints, answers, motions, orders and trial notes entered from Jan. 1, 2011.
Additional or older documents may be available in Pacer.


  1. March 6, 2017

    Momenta Isn’t Shielded From Antitrust Suit, 1st Circ. Says

    The First Circuit on Monday revived an antitrust suit alleging Momenta Inc. and Sandoz Inc. misled regulators about their patent on the industry test for an anticoagulant so they could squeeze rival Amphastar Pharmaceuticals Inc. out of the market with infringement claims, finding the district court erroneously applied the Noerr-Pennington doctrine.

7 other articles on this case. View all »


To view the parties, register now.