IP Verse

Fei competitive analysis

Latest oppositions filed by Fei

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

Last updated on: Sep 10, 2026
Patent NumberTitleApplicantOpposition Date
EP3519049
Safe And Effective Method Of Treating Psoriasis With Anti-Il23 Specific AntibodyJANSSEN BIOTECHSep 3, 2026
EP4364724
High Concentration Vegf Receptor Fusion Protein Containing FormulationsREGENERON PHARMACEUTICALSAug 25, 2026
EP4622748
Mechano-Chemical Activation Of Mineral MaterialsSCHWENK ZEMENTAug 5, 2026
EP4622748
Mechano-Chemical Activation Of Mineral MaterialsSCHWENK ZEMENTAug 3, 2026
EP4374919
Methods For Treating Atopic Dermatitis By Administering An Il-4R AntagonistREGENERON PHARMACEUTICALSJul 28, 2026
EP3677400
Injection MoldingGUANGDONG YIZUMI PRECISION MACHINERYJul 10, 2026
EP4185318
Extended, High Dose Vegf Antagonist Regimens For Treatment Of Angiogenic Eye DisordersBAYER HEALTHCAREJun 2, 2026
EP3718475
Method And System For Determining At Least One Production Parameter For Producing A Custom-Tailored Compression Garment For A Limb And Computer ProgramMEDIApr 30, 2026
EP3620562
Knitted FabricMEDIFeb 28, 2026
EP4346722
Compression GarmentESSITY HYGIENE AND HEALTH AKTIEBOLAGFeb 13, 2026

Latest patents of Fei opposed by its competitors

Explore Fei'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: Sep 10, 2026
Patent NumberPublication DateTitleTotal Oppositions
EP4113115
Aug 6, 2025Automated Peak And Baseline Generation For Chromatogram Data1
EP3021466
Jul 5, 2023Method For The Production Of Lamella Packets And Installation For Carrying Out The Process1
EP2117081
Oct 6, 2021Electric Contact Element For Touch Contacting Electric Test Items And Corresponding Contact Assembly1
EP3213975
Apr 22, 2020Plastic Bottom2
EP2546638
Aug 21, 2019Clustering Of Multi-Modal Data2
EP3133554
Jul 10, 2019Novel Acquisition And Processing Of Data In A Tomographic Imaging Apparatus2
EP2772930
Jul 4, 2018Focused Ion Beam Low Kv Enhancement1

Latest PTAB cases involving Fei

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

Last updated on: Sep 10, 2026
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Fei

IPR2025-00698Mar 6, 2025SAVANT DBA GE LIGHTINGFEIT ELECTRICTrial Instituted
IPR2025-00258Dec 9, 2024ELONG USAFEIT ELECTRICDiscretionary Denial
IPR2025-00260Dec 9, 2024SAVANT DBA GE LIGHTINGFEIT ELECTRICFinal Written Decision
IPR2024-01357Aug 26, 2024SAVANT DBA GE LIGHTINGFEIT ELECTRICFinal Written Decision
IPR2023-00129Nov 3, 2022FEIT ELECTRICCAO LIGHTINGFinal Written Decision
IPR2019-00080Oct 12, 2018FORMFACTORFEINMETALLTerminated-Settled
IPR2019-00080Oct 12, 2018FORMFACTOR, INC.FEINMETALLTerminated-Settled
IPR2019-00081Oct 12, 2018FORMFACTORFEINMETALLTerminated-Settled
IPR2019-00081Oct 12, 2018FORMFACTOR, INC.FEINMETALLTerminated-Settled
IPR2019-00082Oct 12, 2018FORMFACTORFEINMETALLTerminated-Settled

Peer Comparison New

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

Last updated on: Sep 10, 2026
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
NEUEFEIND34 - - -
CHUGAI SEIYAKU KABUSHIKI KAISHA3114 - 1
F HOFFMANN LA ROCHE34231 - -
REGENERON PHARMACEUTICALS55142932