Patent No. EP2739461 (titled "Self -Cleaning Composite Material, In Particular A Composite Material For Production Of Molded Items For Kitchen And Bathroom Interior Decoration") was filed by Delta on Aug 2, 2012. The application was issued on Apr 10, 2019.

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 |
|---|---|---|
| BLANCO | Jan 10, 2020 | ULLRICH & NAUMANN PARTG MBB |
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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