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Explore patent oppositions filed by Vkr Holding 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: Jul 17, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

EP3348771Window Ventilation System And WindowKEYLITE ROOF WINDOWSMay 20, 2025

Explore Vkr Holding'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: Jul 17, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP3287581Mar 3, 2021Window Chain Actuator1
EP3235991Aug 12, 2020Window Actuator With Obstacle Detection1
EP3199718May 9, 2018A Flat-Roof Skylight Window And A Weather Shield Therefor1
EP2817571Mar 7, 2018A Modular Smoke Ventilation System With Serial Control Points3