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IP Verse

Essilor competitive analysis

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Latest oppositions filed by Essilor

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

Last updated on: Nov 13, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

EP3483219
Transparent Plastic Substrate And Plastic LensHOYA LENS THAILANDMay 13, 2025
EP4185455
Spectacle Lens With Antibacterial And/Or Antiviral Properties And Method For Manufacturing The SameCARL ZEISSDec 6, 2024
EP3052004
Improved Systems And Methods For Diagnosis And Therapy Of Vision Stability DysfunctionNEUROSCIENCE RESEARCH AUSTRALIA NEURADec 22, 2022
EP3492964
Spectacle Glass And Method For Its ProductionCARL ZEISSJun 9, 2021
EP3483220
Transparent Plastic Substrate And Plastic LensHOYA LENS THAILANDMay 5, 2021
EP3586722
Vision Testing System And MethodCARL ZEISSApr 15, 2021
EP3311994
Method, In Particular 3D Printing Method, For The Production Of A Spectacle LensCARL ZEISSOct 8, 2020
EP3312661
Brillenglas Und Verfahren, Insbesondere 3D-Druckverfahren, Zu Dessen HerstellungCARL ZEISSOct 8, 2020
EP3352644
Method And System For Determining The Subjective Refraction Properties Of An EyeCARL ZEISSAug 6, 2020
EP1948002
Vision Testing System And MethodCARL ZEISSJul 9, 2020

Latest patents of Essilor opposed by its competitors

Explore Essilor'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
EP3292447
Aug 13, 2025System And Method For Compensating Deviations In An Optical Lens Manufacturing Process2
EP3451049
May 7, 2025Method And System For Determining An Optical System Intended To Equip A Person On The Basis Of The Adaptability Of The Person To A Visual And/Or Proprioceptive Modification Of His/Her Environment1
EP3659109
May 1, 2024Method For Determining At Least One Parameter Associated With An Ophthalmic Device1
EP3759545
Dec 20, 2023Lens Element1
EP3685219
Nov 22, 2023Optical Lens For Correcting Color Vision1
EP3483681
Aug 30, 2023Methods And Systems For Producing Ophthalmic Lenses1
EP3019908
Jun 7, 2023Lens Supply System And Related Methods1
EP3497488
Mar 22, 2023Ophtalmic Lens Comprising An Encapsulated Light-Absorbing Additive1
EP3208737
Jun 22, 2022Method For Providing A Set Of Data Relative To A Wearer Of An Ophthalmic Equipment And Method For Determining The Ophthalmic Equipment Based On The Set Of Data1
EP2992393
Sep 11, 2019Calculation System For Manufacturing An Ophthalmic Lens1

Latest PTAB cases involving Essilor

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

Last updated on: Nov 12, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

Get alerts for PTAB Cases involving Essilor

IPR2016-01539Aug 5, 2016ESSILOR COMPAGNIE GENERALE DOPTIQUEEHS LENS PHILIPPINESInstitution Denied
IPR2016-01541Aug 5, 2016ESSILOR COMPAGNIE GENERALE DOPTIQUEEHS LENS PHILIPPINESInstitution Denied

Peer Comparison New

IP litigation analysis comparing Essilor 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
ESSILOR1415 - -
CARL ZEISS6749315
HOYA LENS THAILAND - 7 - -
RODENSTOCK16 - - -