Patent No. EP3417581 (titled "Message Handler") was filed by Renesas Electronics on Feb 18, 2016. The application was issued on Aug 19, 2020.

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 |
|---|---|---|
| DSPACE | May 19, 2021 | K & H BONAPAT PATENTANWALTE KOCH VON BEHREN & PARTNER MBB |
| PEAK SYSTEM TECHNIK | May 19, 2021 | HABERMANN PARTNERSCHAFT VON PATENTANWALTEN 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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