Patent No. EP2526241 (titled "Stair Tread Element, Stair Renovation Ornament, Kit And Method") was filed by Escada on Jan 24, 2011. The application was issued on Mar 7, 2018.

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 |
|---|---|---|
| DEPRO PROFILES | Nov 26, 2025 | DE CLERCQ & PARTNERS |
| VAN EYCK SHUTTERS | Dec 6, 2018 | ALGEMEEN OCTROOI EN MERKENBUREAU |
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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