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IP Verse

Carl Zeiss competitive analysis

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Latest oppositions filed by Carl Zeiss

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

Last updated on: Nov 13, 2025
Patent NumberTitleApplicantOpposition Date

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EP3514594
Method For Automatedly Aligning A Stand For A Microscope, Stand For A Microscope And Microscope AssemblyLEICA INSTRUMENTS SINGAPORE PTEOct 6, 2025
EP3974810
Nir Sensor Calibration MethodCLAAS SELBSTFAHRENDE ERNTEMASCHINENAug 12, 2025
EP4027182
Lightsheet Fluorescence Microscopy For A Plurality Of SamplesLEICA MICROSYSTEMS CMSJul 30, 2025
EP4111249
Method For Managing Blocks Of Commands Intended For A Microscopy Imaging System, Computer Program, Storage Means And Corresponding Device - Technical FieldCENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEJul 24, 2025
EP4050396
Fluorescence Microscope System And MethodLEICA MICROSYSTEMS CMSOct 30, 2024
EP3805834
Optical Imaging System And Corresponding Apparatus, Method And Computer ProgramLEICA INSTRUMENTS SINGAPORE PTESep 5, 2024
EP3805838
Microscope And Related Apparatuses, Methods And Computer ProgramsLEICA INSTRUMENTS SINGAPORE PTESep 5, 2024
EP3272432
Debris Removal From High Aspect StructuresBRUKER NANOMay 22, 2024
EP3781901
Dynamically Adapting Operation Of A Coordinate Measuring MachineHEXAGON METROLOGYApr 4, 2024
EP3726566
Debris Removal From A Trench Formed On A Photolithographic MaskBRUKER NANOMar 2, 2024

Latest patents of Carl Zeiss opposed by its competitors

Explore Carl Zeiss'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: Nov 13, 2025
Patent NumberPublication DateTitleTotal Oppositions
EP3542211
Sep 3, 2025Method And Device And Computer Program For Determining A Representation Of A Spectacle Lens Edge1
EP1948002
Apr 23, 2025Vision Testing System And Method1
EP4370080
Nov 20, 2024Ophthalmic Surgical Instrument1
EP3879329
Oct 30, 2024Microscope1
EP2549258
Jul 31, 2024Tyre Testing Device1
EP3352644
Jul 31, 2024Method And System For Determining The Subjective Refraction Properties Of An Eye1
EP3690520
Jun 12, 2024Finished Uncut Spectacle Lens, Semi-Finished Lens Blank And Method Of Manufacturing A Spectacle Lens1
EP2805697
May 15, 2024High-Precision Material Processing Device1
EP4006624
Apr 24, 2024Spectacle Lens Design, Method Of Manufacturing A Spectacle Lens And Method Of Providing A Spectacle Lens For At Least Retarding Myopia Progression1
EP4227636
Apr 17, 2024Determination Of Depth Values Of A Surface Area Of A Workpiece1

Latest PTAB cases involving Carl Zeiss

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

Last updated on: Nov 17, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

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IPR2022-00218Nov 18, 2021SIGRAYCARL ZEISSFinal Written Decision
IPR2022-00218Nov 18, 2021SIGRAYCARL ZEISS X RAY MICROSCOPYFinal Written Decision
IPR2021-00452Jan 20, 2021TOPCON MEDICAL SYSTEMSCARL ZEISSInstitution Denied
IPR2021-00452Jan 20, 2021TOPCON MEDICAL SYSTEMSCARL ZEISS MEDITECInstitution Denied
IPR2020-01074Jun 29, 2020METALL ZUGCARL ZEISSInstitution Denied
IPR2020-01074Jun 29, 2020METALL ZUGCARL ZEISS MEDITECInstitution Denied
IPR2020-01075Jun 29, 2020METALL ZUGCARL ZEISSInstitution Denied
IPR2020-01075Jun 29, 2020METALL ZUGCARL ZEISS MEDITECInstitution Denied
IPR2020-01076Jun 29, 2020METALL ZUGCARL ZEISSInstitution Denied
IPR2020-01076Jun 29, 2020METALL ZUGCARL ZEISS MEDITECInstitution Denied

Peer Comparison New

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

Last updated on: Nov 13, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
CARL ZEISS6749315
LEICA MICROSYSTEMS CMS714 - -
LIFE SCIENCES SOLUTIONS USA - 9 - -
NIKON - 892