Patent No. EP3350109 (titled "Woven Elevator Belt With Multifunctional Coatings") was filed by Otis Elevator on Sep 14, 2016. The application was issued on Jan 31, 2024.

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 | Jan 15, 2021 | GLUCK KRITZENBERGER PATENTANWALTE PARTGMBB |
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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