J&J sues Amgen over plan to sell drug similar to Stelara

J&J sues Amgen over plan to sell drug similar to Stelara

Source: 
Business Insurance
snippet: 

Johnson & Johnson’s  Janssen unit has sued Amgen Inc. over its plan to market a drug for ulcerative colitis and other conditions similar to J&J's top-selling Stelara, saying it would infringe on two patents.