Patent No. EP2217806 (titled "Electro-Hydraulic Actuator For Controlling The Pitch Of A Blade Of A Wind Turbine") was filed by Moog on Nov 9, 2007. The application was issued on Aug 13, 2014.

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 |
|---|---|---|
| BOSCH REXROTH | May 13, 2015 | DEHNS GERMANY PARTNERSCHAFT MBB |
| PARKER HANNIFIN | May 12, 2015 | FEUCKER |
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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