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Explore patent oppositions filed by Corning Incorporated against competitors, revealing strategic technology disputes and market positioning. Monitor opposition details, timelines, and disputed innovations to understand competitive dynamics and IP enforcement strategy.

Last updated on: Jun 26, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

EP3450538Cell Culture Methods And Devices Utilizing Gas Permeable MaterialsWILSON WOLF MANUFACTURINGMay 24, 2022
EP3596019Controlled Separation Of Laser Processed Brittle MaterialCOHERENT LASERSYSTEMSMar 16, 2022
EP2426091Titania-Doped Quartz Glass And Making MethodSHIN ETSU CHEMICALAug 28, 2018

Explore Corning Incorporated'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: Jun 26, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP3792228Jul 31, 2024Ion Exchanged Glasses Via Non-Error Function Compressive Stress Profiles1
EP3517511Jul 24, 2024Alkali Aluminoborosilicate Glass Article1
EP3854759May 1, 2024Glasses And Glass Ceramics Including A Metal Oxide Concentration Gradient1
EP4273105May 1, 2024High Strength, Scratch Resistant And Transparent Glass-Based Materials1
EP3798196Mar 27, 2024Glasses Having Non-Frangible Stress Profiles1
EP3274308Aug 16, 2023High Strength, Scratch Resistant And Transparent Glass-Based Materials1
EP3138822Jul 26, 2023Fining Agents For Silicate Glasses1
EP3319911Apr 19, 2023Methods Of Continuous Fabrication Of Holes In Flexible Substrate Sheets And Products Relating To The Same1
EP3333137Apr 5, 2023Bendable Glass Stack Assemblies, Articles And Methods Of Making The Same1
EP3169635Nov 23, 2022Method And System For Forming Perforations1