| Patent Number | Title | Applicant | Opposition Date |
|---|---|---|---|
| EP3248032 | Near Infrared Optical Interference Filters With Improved Transmission | MATERION CORPORATION | Aug 25, 2021 |
| Patent Number | Grant Date | Title | Total Oppositions |
|---|---|---|---|
| EP3335899 | Aug 30, 2023 | Security Ink Based Security Feature | 1 |
| EP3854856 | Aug 23, 2023 | Thin Film Interference Pigments With A Coating Of Nanoparticles | 1 |
| EP2161598 | Jun 9, 2021 | An Optical Device Exhibiting Color Shift Upon Rotation | 2 |
| EP2351797 | Feb 24, 2021 | Multilayer Magnetic Reflecting Pigment Flakes And Foils | 1 |
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