Purdue continues OxyContin patent battle

Purdue Pharma has sued Collegium Pharmaceutical, in the latest development in a continuing patent infringement dispute centring on Purdue’s painkiller drug OxyContin (oxycodone).

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Purdue settles another OxyContin patent suit

29 August 2018 Purdue Pharma has settled another patent dispute involving pain drug OxyContin (oxycodone), just weeks after a suit against generics company Amneal Pharmaceuticals came to an end.

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Federal Circuit affirms PTAB decision on Purdue painkiller patents

15 June 2017 The US Court of Appeals for the Federal Circuit has affirmed a decision by the Patent Trial and Appeal Board (PTAB) which found that two patent applications by Purdue Pharma were unpatentable.

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Purdue continues OxyContin patent battle

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