Patent No. EP2811154 (titled "Method Of Refurbishing An Energy Conversion Facility And Refurbished Energy Conversion Facility") was filed by Alstom Renewable on May 14, 2014. The application was issued on Aug 28, 2019.

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 |
|---|---|---|
| VOITH PATENT | May 13, 2020 | PAUSTIAN & PARTNER PATENTANWALTE 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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