Walker competitive analysis

Explore patent oppositions filed by Walker against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Sep 3, 2026
Patent NumberTitleApplicantOpposition Date
Generation Of Induced Pluripotent Stem Cells From Small Volumes Of Peripheral BloodCELLULAR DYNAMICSDec 7, 2018
Reprogramming T Cells And Hematopoietic CellsCELLULAR DYNAMICSJul 25, 2018
Antibody Purification By Cation Exchange ChromatographyGENENTECHSep 29, 2015

Latest PTAB cases involving Walker

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

Last updated on: Sep 5, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Walker

IPR2017-01706Jun 30, 2017YOKOGAWA OF AMERICAWALKERTerminated-Settled
IPR2017-01708Jun 30, 2017YOKOGAWA OF AMERICAWALKERTerminated-Settled
IPR2017-01716Jun 30, 2017YOKOGAWA OF AMERICAWALKERTerminated-Settled
IPR2017-01717Jun 30, 2017YOKOGAWA OF AMERICAWALKERTerminated-Settled
IPR2017-01722Jun 30, 2017YOKOGAWA OF AMERICAWALKERTerminated-Settled
IPR2017-00855Feb 4, 2017INSTRUMENTATION LABORATORYWALKER VIOLAFinal Written Decision
IPR2017-00852Feb 3, 2017INSTRUMENTATION LABORATORYWALKER VIOLAFinal Written Decision