IP Verse

Spex competitive analysis

Latest PTAB cases involving Spex

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

Last updated on: Feb 1, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

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IPR2018-01067May 11, 2018TOSHIBASPEXTerminated
IPR2018-01068May 11, 2018TOSHIBASPEXTerminated
IPR2018-01002May 2, 2018KINGSTON TECHNOLOGYSPEXTerminated
IPR2018-01003May 2, 2018KINGSTON TECHNOLOGYSPEXTerminated
IPR2018-00082Oct 16, 2017WESTERN DIGITALSPEXFinal Written Decision
IPR2018-00084Oct 16, 2017WESTERN DIGITALSPEXTerminated-Settled
IPR2017-01021Mar 14, 2017KINGSTON TECHNOLOGYSPEXFinal Written Decision
IPR2017-00824Jan 31, 2017KINGSTON TECHNOLOGYSPEXInstitution Denied
IPR2017-00825Jan 31, 2017KINGSTON TECHNOLOGYSPEXInstitution Denied
IPR2017-00430Dec 14, 2016UNIFIED PATENTSSPEXInstitution Denied

Peer Comparison New

IP litigation analysis comparing Spex 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
AUSPEX PHARMACEUTICALS - - - 2
APOTEX - 236 -
NEPTUNE GENERICS - - 6 -