IP Verse

Corning competitive analysis

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Latest oppositions filed by Corning

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

Last updated on: Nov 6, 2025
Patent NumberTitleApplicantOpposition Date

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EP3757268
Method For Producing And / Or Finishing A Glass Mat SheetVOITH PATENTApr 10, 2025
EP3481983
Textile Reinforcement Suitable For Being Used In A Method For Impregnation By A Thermoplastic ResinCHOMARAT TEXTILES INDUSTRIESJun 6, 2024
EP3424889
High Modulus Glass Fibre Composition, And Glass Fibre And Composite Material ThereofJUSHI GROUPFeb 28, 2024
EP3470382
Glass Fiber Composition And Glass Fiber And Composite Material ThereofJUSHI GROUPSep 29, 2022
EP3406576
High Performance Glass Fibre Composition, And Glass Fibre And Composite Material ThereofJUSHI GROUPJun 14, 2022
EP3570845
Sizing Composition For Mineral Wool Based On A Hydrogenated Sugar And Insulating Products ObtainedSAINT GOBAINJun 8, 2022
EP3450538
Cell Culture Methods And Devices Utilizing Gas Permeable MaterialsWILSON WOLF MANUFACTURINGMay 24, 2022
EP3022163
Glass Compositions, Fiberizable Glass Compositions, And Glass Fibers Made TherefromELECTRIC GLASS FIBER AMERICAApr 5, 2022
EP3596019
Controlled Separation Of Laser Processed Brittle MaterialCOHERENT LASERSYSTEMSMar 16, 2022
EP2969543
Exterior Sheathing Panel With Integrated Air/Water Barrier MembraneTREMCO INCORPORATEDSep 1, 2021

Latest patents of Corning opposed by its competitors

Explore Corning'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 6, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP2995981
Oct 29, 2025Independently Translatable Modules And Fiber Optic Equipment Trays In Fiber Optic Equipment1
EP2456727
Feb 12, 2025Fusion Formable Silica And Sodium Containing Glasses1
EP3792228
Jul 31, 2024Ion Exchanged Glasses Via Non-Error Function Compressive Stress Profiles1
EP3517511
Jul 24, 2024Alkali Aluminoborosilicate Glass Article1
EP3854759
May 1, 2024Glasses And Glass Ceramics Including A Metal Oxide Concentration Gradient1
EP4273105
May 1, 2024High Strength, Scratch Resistant And Transparent Glass-Based Materials1
EP3798196
Mar 27, 2024Glasses Having Non-Frangible Stress Profiles1
EP3274308
Aug 16, 2023High Strength, Scratch Resistant And Transparent Glass-Based Materials1
EP3138822
Jul 26, 2023Fining Agents For Silicate Glasses1
EP3319911
Apr 19, 2023Methods Of Continuous Fabrication Of Holes In Flexible Substrate Sheets And Products Relating To The Same1

Latest PTAB cases involving Corning

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

Last updated on: Nov 9, 2025
Proceeding NumberFiling DatePetitionerRespondentStatus

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IPR2025-01137Jun 11, 2025CAIHONG DISPLAY DEVICESCORNING INCORPORATEDInstitution Denied
IPR2025-01040May 22, 2025CAIHONG DISPLAY DEVICESCORNING INCORPORATEDDiscretionary Denial
IPR2025-01017May 21, 2025CAIHONG DISPLAY DEVICESCORNING INCORPORATEDDiscretionary Denial
IPR2025-00937Apr 28, 2025CAIHONG DISPLAY DEVICESCORNING INCORPORATEDDiscretionary Denial
IPR2025-00439Jan 13, 2025CAIHONG DISPLAY DEVICESCORNINGDiscretionary Denial
IPR2022-00743Mar 22, 2022PANDUITCORNING OPTICAL COMMUNICATIONSTerminated-Settled
IPR2021-01562Oct 18, 2021PANDUITCORNING OPTICAL COMMUNICATIONSInstitution Denied
IPR2021-00842Apr 30, 2021CORNING OPTICAL COMMUNICATIONSDALI WIRELESSInstitution Denied
IPR2021-00762Apr 8, 2021CORNING OPTICAL COMMUNICATIONSDALI WIRELESSFinal Written Decision
IPR2021-00492Feb 22, 2021CORNING OPTICAL COMMUNICATIONSDALI WIRELESSInstitution Denied

Peer Comparison New

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

Last updated on: Nov 6, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
DOW CORNING - 2 - -
EVONIK OPERATIONS12056 - 1