Tag Archives: patent

When does levitra come off patent

If you are one of the 15 to 30 million men in the United States who suffers from erectile dysfunction, you may have talked with your doctor about trying a prescription medication. Levitra and Viagra are two popular medications used for the treatment of erectile dysfunction ED. They are classified in a group of medications… Read More »

Amgen wins U.S. patent battle on arthritis drug Enbrel, thwarting Novartis

(Reuters) – A U.S. judge on Friday upheld two patents relating to Amgen Inc’s blockbuster rheumatoid arthritis drug Enbrel, denying a challenge by Novartis AG, which is seeking to launch a copycat version. FILE PHOTO: An Amgen sign is seen at the company’s office in South San Francisco, California in this October 21, 2013 file… Read More »