Patent No. EP2637592 (titled "Tension Control In Actuation Of Multi-Joint Medical Instruments") was filed by Intuitive Surgical Operations on Oct 28, 2011. The application was issued on Mar 31, 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 |
|---|---|---|
| DEUTSCHES ZENTRUM FUR LUFT UND RAUMFAHRT EV | Jan 3, 2022 | DOMPATENT VON KREISLER SELTING WERNER |
| DEUTSCHES ZENTRUM FUR LUFT UND RAUMFAHRT EV | Jan 3, 2022 | DOMPATENT VON PATENT UND RECHTSANWALTEN |
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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