Patent No. EP3552713 (titled "Powder Centre For Supplying A Powder Coating Installation With Coating Powder And Method For Cleaning The Powder Centre") was filed by Wagner on Apr 12, 2018. The application was issued on Feb 17, 2021.

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 |
|---|---|---|
| GEMA SWITZERLAND | Nov 17, 2021 | MEISSNER BOLTE PARTNERSCHAFT 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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