Patent No. EP3854473 (titled "Tinting System For A Kit-Of-Parts Tinting System, Method For Producing A Tinted Paint Or Plaster System And Use Of The Tinting System") was filed by DAW on Jan 24, 2020. The application was issued on Jul 5, 2023.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative |
|---|---|---|
| EWALD DORKEN | Dec 1, 2023 | VON ROHR PATENTANWALTE PARTNERSCHAFT MBB |
| WACHTERSHAUSER & HARTZ PATENTANWALTSPARTNERSCHAFT MBB BLODIG | Dec 1, 2023 | WACHTERSHAUSER & HARTZ PATENTANWALTSPARTNERSCHAFT MBB |
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