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Purdue Pharma Lp competitive analysis

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Latest PTAB cases involving Purdue Pharma Lp

Discover the latest PTAB cases involving Purdue Pharma Lp, highlighting their recent legal challenges and patent disputes.

Last updated on: Nov 9, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

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PGR2018-00048Mar 13, 2018COLLEGIUM PHARMACEUTICALPURDUE PHARMA LPFinal Written Decision
IPR2018-00717Feb 28, 2018KASHIV PHARMAPURDUE PHARMA LPTerminated-Settled
IPR2018-00625Feb 27, 2018KASHIV PHARMAPURDUE PHARMA LPTerminated-Settled
IPR2016-01412Jul 15, 2016AMNEAL PHARMACEUTICALSPURDUE PHARMA LPFinal Written Decision
IPR2016-01413Jul 15, 2016AMNEAL PHARMACEUTICALSPURDUE PHARMA LPFinal Written Decision
IPR2016-01027May 11, 2016AMNEAL PHARMACEUTICALSPURDUE PHARMA LPFinal Written Decision
IPR2016-01028May 11, 2016AMNEAL PHARMACEUTICALSPURDUE PHARMA LPFinal Written Decision
IPR2016-00849Apr 6, 2016ACURA PHARMACEUTICALSPURDUE PHARMA LPInstitution Denied
IPR2014-00377Jan 24, 2014PURDUE PHARMA LPDEPOMEDFinal Written Decision
IPR2014-00378Jan 24, 2014PURDUE PHARMA LPDEPOMEDFinal Written Decision

Peer Comparison New

IP litigation analysis comparing Purdue Pharma Lp with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Nov 6, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
PURDUE PHARMA LP - - 38
AMNEAL PHARMACEUTICALS - - 31 -
DEPOMED - - - 9
KASHIV PHARMA - - 2 -