Patent No. EP2480475 (titled "Measuring Arrangement, Electric Drive, Hoisting Machine And Elevator System") was filed by Kone on Sep 24, 2010. 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 |
|---|---|---|
| THYSSENKRUPP ELEVATOR | Dec 19, 2018 | MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB |
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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