Sanofi-Amgen appeal poised to define UPC’s test for inventive step
By Inbar Preiss ( October 23, 2025, 14:12 GMT | Comment) -- In testing a patent's validity, how should "inventive step" be assessed? The UPC’s Court of Appeal is close to providing clarification, following diverging approaches among divisions of the court. Amgen’s appeal against Sanofi was heard earlier this year, and a ruling is expected soon.The pending Unified Patent Court appeal ruling in Sanofi v Amgen could prove decisive in shaping the UPC's long-term approach to inventive step — a test for patent validity that remains unsettled across the court’s divisions....
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