Patent No. EP3138825 (titled "Coating System For Concrete Surfaces") was filed by Dresdner Lackfabrik Novatic on Sep 2, 2016. The application was issued on Aug 14, 2019.

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 |
|---|---|---|
| JOTUN | May 14, 2020 | DEHNS |
| FRANKEN SYSTEMS | May 13, 2020 | GLEIM |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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