Patent No. EP3013525 (titled "Abrasive Article Including Shaped Abrasive Particles") was filed by Saint Gobain on Jun 27, 2014. The application was issued on Mar 2, 2022.

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 |
|---|---|---|
| VSM VEREINIGTE SCHMIRGEL UND MASCHINEN FABRIKEN | Dec 1, 2022 | BREMER |
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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