Patent No. EP2821583 (titled "Actuator For Driving An Automatic Sunscreen And Facility Including Such An Actuator") was filed by Somfy on Jul 2, 2014. The application was issued on Dec 23, 2015.

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 |
|---|---|---|
| BECKER ANTRIEBE | Jan 29, 2020 | DR MULLER |
| GAPOSA | Sep 16, 2016 | MADER |
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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