- Vifor is seeking court orders blocking copies until the patents have expired, according to a
complaintfiled Thursday in federal court in Wilmington, Delaware
- Vifor claims Alkem infringes four patents and Ascent three
- Two patents expire in October 2033; two others expire in June 2028 and May 2030: FDA Orange Book
- Veltassa is a potassium binder used to treat hyperkalemia, a condition in which there is too much potassium...
Jan. 24, 2020, 10:02 PM