UI sues Amgen over patent infringement

IOWA CITY, Iowa A major biotech company has trouble with the University of Iowa.

The university is suing Amgen, alleging that it has knowingly infringed on its patents for several years, specifically in its manufacture of drugs such as the rheumatoid arthritis and psoriasis treatment Enbrel (etanercept).

The university is demanding unspecified damages from the Thousand Oaks, Calif., company.