Patent No. EP2411762 (titled "Self-Leveling 360Deg Multi-Line Laser Device") was filed by Robert Bosch on Feb 5, 2010. The application was issued on Oct 23, 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 |
|---|---|---|
| GEO FENNEL | Aug 10, 2017 | K PATENTANWALTE BLASBERG KEWITZ & REICHEL |
| UMAREX | May 10, 2017 | BASFELD |
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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