Patent No. EP3565967 (titled "Building Structure With Means To Reduce Induced Vibrations") was filed by Siemens Gamesa Renewable Energy on Nov 28, 2017. The application was issued on Mar 17, 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 |
|---|---|---|
| ENERCON | Dec 17, 2021 | EISENFUHR SPEISER |
| NORDEX ENERGY SPAIN | Dec 16, 2021 | HAUCK |
| NORDEX ENERGY SPAIN | Dec 16, 2021 | HAUCK PATENTANWALTSPARTNERSCHAFT 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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