Fed. Circ. Panel Backs Invalidation Of OxyContin Patent

By Theresa Schliep · June 8, 2026, 7:17 PM EDT

The Federal Circuit on Monday upheld a Delaware federal court's decision that deemed invalid a Purdue Pharma patent covering an abuse-deterrent version of the opioid OxyContin, rebuffing the company's arguments that...

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Documents

Case Information

Case Title

Knoa Pharma LLC v. Accord Healthcare, Inc.

Case Number

25-1060

Court

Appellate - Federal Circuit

Nature of Suit

835 Patent - (ANDA) (Fed. Qst.)

Date Filed

October 15, 2024