Amneal Will End Sale of Calcium-Drip Copies in Patent-Suit Pact

Amneal Pharmaceuticals Inc. agreed to stop selling its copies of ready-to-use calcium infusion bags in the US until a key PharmaSphere Inc. patent expires in nearly 12 years, according to a court-approved settlement ending a federal infringement lawsuit.

The deal blocks Amneal’s generic version until PharmaSphere subsidiary HQ Specialty Pharma Corp.'s US Patent No. 10,130,646 expires, unless otherwise licensed, according to Judge Maryellen Noreika’s order issued Tuesday in the US District Court for the District of Delaware. HQ Specialty exclusively licenses the patent to PharmaSphere’s WG Critical Care LLC, a co-plaintiff.

The patent, which covers a ready-to-use calcium gluconate formulation ...