Patent No. EP2327840 (titled "Tiltable Tool Assembly For An Excavator") was filed by Weyer on Nov 25, 2010. The application was issued on Jun 26, 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 |
|---|---|---|
| HKS DREH ANTRIEBE | May 12, 2016 | PUSCHMANN BORCHERT KAISER KLETTNER PATENTANWALTE PARTNERSCHAFT MBB |
| RADLINGER MASCHINEN UND ANLAGENBAU | Apr 6, 2016 | MUNK |
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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