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Amneal Pharmaceuticals competitive analysis

Latest PTAB cases involving Amneal Pharmaceuticals

Discover the latest PTAB cases involving Amneal Pharmaceuticals, highlighting their recent legal challenges and patent disputes.

Last updated on: Feb 1, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

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IPR2025-00731Apr 11, 2025AMNEAL PHARMACEUTICALSNIVAGEN PHARMACEUTICALSDiscretionary Denial
IPR2025-00779Apr 11, 2025AMNEAL PHARMACEUTICALSNIVAGEN PHARMACEUTICALSDiscretionary Denial
IPR2020-00193Nov 27, 2019AMNEAL PHARMACEUTICALSCUBIST PHARMACEUTICALSInstitution Denied
IPR2019-00207Nov 6, 2018AMNEAL PHARMACEUTICALSALMIRALLFinal Written Decision
IPR2018-00943Apr 20, 2018AMNEAL PHARMACEUTICALSALKERMES PHARMA IRELANDTerminated-Settled
IPR2016-01580Aug 11, 2016AMNEAL PHARMACEUTICALSHOSPIRAInstitution Denied
IPR2016-01577Aug 10, 2016AMNEAL PHARMACEUTICALSHOSPIRATerminated-Settled
IPR2016-01578Aug 10, 2016AMNEAL PHARMACEUTICALSHOSPIRATerminated-Settled
IPR2016-01579Aug 10, 2016AMNEAL PHARMACEUTICALSHOSPIRATerminated-Settled
IPR2016-01412Jul 15, 2016AMNEAL PHARMACEUTICALSPURDUE PHARMA LPFinal Written Decision

Peer Comparison New

IP litigation analysis comparing Amneal Pharmaceuticals with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Jan 29, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
AMNEAL PHARMACEUTICALS - - 31 -
ENDO PHARMACEUTICALS - - - 4
HOSPIRA - 387
JAZZ PHARMACEUTICALS - - - 23