Patent No. EP3894689 (titled "Segmented Rotor Blade Having Maximized Overall Pre-Bend Via An Increased Pre-Bend In A Blade Tip Segment Thereof") was filed by General Electric on Dec 11, 2018. The application was issued on Jan 24, 2024.

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 |
|---|---|---|
| VESTAS WIND SYSTEMS | Oct 22, 2024 | INSPICOS PS |
| NORDEX ENERGY | Oct 18, 2024 | HAUCK |
| NORDEX ENERGY | Oct 18, 2024 | 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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