Patent No. EP2853362 (titled "A Shaving Blade Cartridge") was filed by BIC Violex on Sep 25, 2013. The application was issued on Aug 10, 2016.

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 |
|---|---|---|
| ELLIPSE | Mar 13, 2018 | ZIMMERMANN & PARTNER PATENTANWALTE MBB |
| MTC TRADING | Feb 23, 2018 | ZIMMERMANN & PARTNER PATENTANWALTE MBB |
| DORCO | May 10, 2017 | ZIMMERMANN & PARTNER PATENTANWALTE 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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