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Par Pharmaceutical competitive analysis

Latest PTAB cases involving Par Pharmaceutical

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

Last updated on: Feb 1, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

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IPR2018-01550Aug 21, 2018PAR PHARMACEUTICALHORIZON THERAPEUTICSTerminated-Settled
IPR2017-01767Jul 13, 2017PAR PHARMACEUTICALHORIZON THERAPEUTICSTerminated-Settled
IPR2017-01768Jul 13, 2017PAR PHARMACEUTICALHORIZON THERAPEUTICSTerminated-Settled
IPR2017-01769Jul 13, 2017PAR PHARMACEUTICALHORIZON THERAPEUTICSTerminated-Settled
IPR2017-01557Jun 9, 2017PAR PHARMACEUTICALMONOSOL RXInstitution Denied
IPR2017-01292Apr 18, 2017PAR PHARMACEUTICALSUMITOMO DAINIPPON PHARMATerminated-Settled
IPR2016-01479Jul 22, 2016PAR PHARMACEUTICALNOVARTISFinal Written Decision
IPR2016-01059May 17, 2016PAR PHARMACEUTICALNOVARTISInstitution Denied
IPR2016-00074Oct 26, 2015PAR PHARMACEUTICALNOVARTISInstitution Denied
IPR2016-00075Oct 26, 2015PAR PHARMACEUTICALNOVARTISInstitution Denied

Peer Comparison New

IP litigation analysis comparing Par Pharmaceutical 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
PAR PHARMACEUTICAL - - 21 -
HORIZON THERAPEUTICS - - - 12
JAZZ PHARMACEUTICALS - - - 23
NOVARTIS6424 - 21