IP Verse

Chen competitive analysis

Latest oppositions filed by Chen

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

Last updated on: Aug 13, 2026
Patent NumberTitleApplicantOpposition Date
EP4276973
Method For Inspecting Low-Voltage Defect In Lithium Secondary Battery And Method For Manufacturing Lithium Secondary BatteryLG ENERGY SOLUTIONMar 23, 2026
EP3907047
Electric Beard TrimmerBRAUNJan 15, 2026
EP3948267
Methods And Systems For Determining A Target Gas Concentration In A Fluid EnvironmentH2SCANNov 17, 2025
EP4255208
Chocolate Replicas Produced From Individual ComponentsVOYAGE FOODSSep 25, 2025
EP4219773
Method For Producing Liquid Pig Iron From A Product Of DslSMS GROUPJul 3, 2025
EP3709026
Instrument For Analyzing Biological Samples And ReagentsDOUGLAS SCIENTIFICApr 17, 2025
EP3732827
Method And System For Making Functional Devices Availalble To Participants Of MeetingsBARCOMar 11, 2025
EP4294897
Base Oil And Lubricating Fluid Composition Containing Said Base OilFUCHSFeb 24, 2025
EP3693782
Vision Assistance DeviceA SCHWEIZER OPTISCHE FABRIKDec 16, 2024
EP3907043
Electric Beard TrimmerBRAUNOct 28, 2024

Latest patents of Chen opposed by its competitors

Explore Chen's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Aug 13, 2026
Patent NumberPublication DateTitleTotal Oppositions
EP3386475
Aug 31, 2022Composition For Cleansing Keratin Materials With Improved Rinsing Properties1
EP3261651
May 4, 2022Chimeric Antigen Receptors (Cars) Targeting Hematologic Malignancies, Compositions And Methods Of Use Thereof3

Latest PTAB cases involving Chen

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

Last updated on: Aug 12, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Chen

IPR2024-01230Jul 26, 2024THERMALTAKE TECHNOLOGYCHENFinal Written Decision
IPR2021-00641Mar 9, 2021HPCHENTerminated-Settled
IPR2021-00538Feb 12, 2021JUNIPER NETWORKSCHENFinal Written Decision
IPR2021-00489Feb 4, 2021POLYGROUP SERVICESCHENTerminated-Adverse Judgment
IPR2021-00460Jan 22, 2021SAMSUNG ELECTRONICSCHENGTerminated-Settled
IPR2021-00402Jan 7, 2021CHENGDU KANGHONG BIOTECHNOLOGYREGENERON PHARMACEUTICALSTerminated
PGR2021-00035Jan 7, 2021CHENGDU KANGHONG BIOTECHNOLOGYREGENERON PHARMACEUTICALSTerminated
IPR2021-00290Dec 14, 2020CISCO SYSTEMSCHENTerminated-Settled
IPR2021-00256Dec 3, 2020SAMSUNG ELECTRONICSCHENTerminated-Settled
IPR2020-01545Aug 28, 2020ABILITY OPTO ELECTRONICS TECHNOLOGYCHENTerminated-Settled