Patent No. EP2798242 (titled "Gearbox Housing, Gearbox Unit With Such A Gearbox Housing And Gear Motor With Such A Gearbox Unit") was filed by Siemens on Jan 17, 2013. The application was issued on Jun 15, 2016.

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 |
|---|---|---|
| LENZE | Mar 15, 2017 | PATENTANWALTE RUFF |
| SEW EURODRIVE | Mar 14, 2017 | - |
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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