Patent No. EP3421665 (titled "Artificial Turf For Simulating Natural Grass") was filed by Qingdao Bellinturf Industrial on Sep 27, 2017. The application was issued on Nov 27, 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 |
|---|---|---|
| COCREATION GRASS | Aug 23, 2021 | VALET PATENT SERVICES |
| BFS EUROPE | Aug 27, 2020 | DE CLERCQ & PARTNERS |
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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