Patent No. EP3691849 (titled "Method For Manufacturing An Engineered Stone And An Engineered Stone") was filed by Daltile on Oct 2, 2018. The application was issued on Mar 27, 2024.

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 |
|---|---|---|
| WORK EUROUND | Dec 24, 2024 | HOYNG ROKH MONEGIER |
| ISARPATENT PATENT UND RECHTSANWALTE BARTH HASSA PECKMANN UND PARTNER MBB | Dec 20, 2024 | - |
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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