Patent No. EP4244021 (titled "Abrasive Material, Accessories For A Tool Containing Such Abrasive Material And Method Of Manufacturing Such Abrasive Material") was filed by Maris on Nov 15, 2021. The application was issued on May 29, 2024.
Latest UPC cases involving this patent.
| Case Number | Filing Date | Plaintiff | Proceeding Type |
|---|---|---|---|
| UPC_CFI_0002068/2025 | Dec 19, 2025 | Wish&Wash | Infringement |

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 |
|---|---|---|
| ECOCOAT | Feb 28, 2025 | VOSSIUS & PARTNER |
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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