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10 October 2017Americas

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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More on this story

Americas
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.
Americas
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.

More on this story

Americas
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.
Americas
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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