Possible Collateral Estoppel in OxyContin Case Due to This Month's Teva Decision

Purdue Pharma L.P. et al v. Amneal Pharmaceuticals, LLC

Case Number: 1:11-cv-08153-SHS (Dkt. 84)

In light of the court’s Findings of Fact and Conclusions of Law in related matters (Dkt. 634) that held certain claims of U.S. Patents Nos. 7,674,799 (entitled “Oxycodone hydrochloride having less than 25 ppm 14–hydroxycodeinone”), 7,674,800 (same), and 7,683,072 (same) to be invalid, Judge Stein ordered Purdue to show cause why plaintiffs should not be collaterally estopped from asserting those claims in the instant matter.

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