Patent No. EP2067940 (titled "Method For Operating A Combined Cycle Power Plant, And Also Combined-Cycle Power Plant For Carrying Out The Method") was filed by Alstom Technology on Aug 19, 2008. The application was issued on Feb 15, 2023.

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 |
|---|---|---|
| ANSALDO ENERGIA SWITZERLAND | Jul 1, 2020 | BERNOTTI |
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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