Patent No. EP2343144 (titled "Means For Preventing Tools From Being Pulled Out From Tool Holders With A Tool Holding Fixture") was filed by Franz Haimer Maschinenbau on Apr 5, 2007. The application was issued on Sep 4, 2024.

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 |
|---|---|---|
| MST | Oct 9, 2019 | GRUNECKER PATENT |
| KORFER | Sep 9, 2019 | KORFER |
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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