Patent No. EP2949676 (titled "Non-Hot-Melt Mdi-Based Polyurethane Composition Bearing Nco End Groups And Having A Low Content Of Mdi Monomer, Comprising At Least One Isocyanate Compound Of Particular Molar Volume") was filed by Bostik on May 20, 2015. The application was issued on Oct 1, 2025.

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 |
|---|---|---|
| SIKA TECHNOLOGY | Nov 20, 2023 | SIKA PATENT ATTORNEYS |
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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