Catalyst Pharmaceuticals filed new patent infringement lawsuits against Jacobus Pharmaceuticals and PANTHERx Rare LLC over a treatment for the rare autoimmune disease Lambert-Eaton Myasthenic Syndrome (LEMS).

Shares of Moderna Inc. fell nearly 10% after the company lost a bid to invalidate a U.S. patent owned by Arbutus Biopharma that poses a potential obstacle to Moderna’s efforts to develop next-generation vaccines, including a coronavirus vaccine.

U.S. generics drugmaker Mylan said the United States Patent and Trademark Office rejected Sanofi’s infringement claims relating to insulin drug Lantus.

A U.S. appeals court rejected a novel strategy adopted by drug company Allergan to shield patents from review by an administrative court by transferring them to a Native American tribe.

A U.S. appeals court ruled invalid patents owned by Jazz Pharmaceuticals covering the company’ narcolepsy drug Xyrem, opening the door for Amneal Pharmaceuticals to launch a generic version of the medicine.