Patent No. EP2617495 (titled "Paint Spray Gun With A Base Plate And A Replaceable Paint Channel") was filed by HSM Lackiersysteme Patentverwertungs UG Haftungsbeschrnkt on Feb 26, 2008. The application was issued on Jul 30, 2014.

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 |
|---|---|---|
| 3M INNOVATIVE PROPERTIES COMPANY | Apr 30, 2015 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB |
| BUTTNER | Mar 19, 2015 | - |
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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