Fed Circuit invalidates Purdue oxycodone patent

23-04-2019

Fed Circuit invalidates Purdue oxycodone patent

Duncan_Andison / iStockphoto.com

The Federal Circuit has upheld a finding of the US Patent and Trademark Office (USPTO), which rendered a Purdue Pharma oxycodone patent ineligible.


Patent Trial and Appeal Board, Purdue Pharma, oxycodone, prior art, priority, Amneal Pharmaceuticals, PEO, HPMC, patent

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