Patent No. EP2674384 (titled "Method For Monitoring Crane Safety And Crane") was filed by Liebherr Werk Ehingen on Jun 11, 2013. The application was issued on Jan 27, 2021.

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 |
|---|---|---|
| MANITOWOC CRANE GROUP GERMANY | Oct 13, 2021 | SSM SANDMAIR |
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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