Patent No. EP2613997 (titled "Conveyor Unit And Conveyor System For Conveying Vehicle Bodies And Plant For Machining Vehicle Bodies") was filed by Eisenmann on Aug 19, 2011. The application was issued on Mar 21, 2018.

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 |
|---|---|---|
| DRR | Dec 20, 2018 | HOEGER |
| DRR SYSTEMS | Dec 20, 2018 | HOEGER |
| DURR SYSTEMS | Dec 20, 2018 | DTS PATENT UND RECHTSANWALTE PARTMBB |
| DURR SYSTEMS | Dec 20, 2018 | DTS PATENT UND SCHNEKENBUHL UND PARTNER |
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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