Patent No. EP3514093 (titled "Mechanical System Service Tool") was filed by Otis Elevator on Jan 21, 2019. The application was issued on Mar 3, 2021.
A service tool for configuring and servicing elevator systems, implemented on a mobile device that communicates with a wireless access device connected to the elevator controller. The tool provides enhanced security features, enabling direct operation checks and advanced configuration changes without proprietary dongles, and supports multiple operability levels including field technician and adjuster/construction functions. The tool communicates with a cloud service for remote access and security management.

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 |
|---|---|---|
| KONE | Dec 3, 2021 | K & H BONAPAT PATENTANWALTE KOCH VON BEHREN & PARTNER 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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