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Tuesday, Nov 5, 2024

Amgen Keeps Patent Protection for Enbrel With Supreme Court Decision

The U.S. Supreme Court declined to hear Novartis AG’s appeal of a lower court’s decision on Monday, allowing Amgen Inc. to keep its patent protection for the rheumatoid arthritis drug Enbrel until 2029.Enbrel, also known as etanercept, is Thousand Oaks-based Amgen's top-selling drug, accounting for nearly $5 billion of the company's $24.2 billion in product sales in 2020. The medication is used to treat adults with moderate to severe active rheumatoid arthritis and was launched in 1998 by Immunex Corp., which Amgen acquired in 2002.In the initial 2016 lawsuit, Novartis subsidiary Sandoz Inc. sought to market a generic version of the drug. Immunex sued for patent infringement and Sandoz accused Immunex of wrongfully extending the life of its monopoly on the drug through a 2004 deal that took over a rival company’s patent applications on similar research and amended them to cover Enbrel, according to reporting by Reuters. The successful applications now protect Enbrel from competition until 2029.Last year, the Washington-based U.S. Court of Appeals for the Federal Circuit rejected Sandoz's argument, saying that Immunex did not fully take over the patents, which were therefore still valid through 2029. The Supreme Court affirmed that ruling Monday by declining to hear Sandoz’s challenge.Shares of Amgen Inc (AMGN) closed up Monday by $1.27, or a fraction of a percent, to $252.63 on the Nasdaq.

Katherine Tangalakis-Lippert
Katherine Tangalakis-Lippert
Katherine Tangalakis-Lippert is a Los Angeles-based reporter covering retail, hospitality and philanthropy for the San Fernando Valley Business Journal. In addition to her current beat, she is particularly interested in criminal justice topics, health and science stories and investigative journalism. She received her AA in Humanities from Moorpark College in 2016, her BA in Communication from Cal Lutheran University in 2019 and followed it up with a MA in Specialized Journalism from USC in the summer of 2020. Through her work, Katherine aspires to help strengthen the fragile trust between members of the media and the public.

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