United Therapeutics Corp. has been sued for “unlawfully impeding competition” by Sandoz Inc. and RareGen LLC, the companies selling a generic form of a drug the Silver Spring biotech had under patent until last month.
The lawsuit, filed April 16 in U.S. District Court for the District of New Jersey, alleges that United Therapeutics (NASDAQ: UTHR) placed restrictions on cartridges made by medical device manufacturer Smiths Medical ASD Inc. that are required to administer subcutaneous injections…
