Explore Tangible Science'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 24, 2025
Patent NumberGrant DateTitleTotal Oppositions
Sep 15, 2021Contact Lens With A Hydrophilic Layer1
Oct 28, 2020Contact Lens With A Hydrophilic Layer1
Apr 18, 2018Contact Lens With A Hydrophilic Layer1