Patent No. EP4103835 (titled "Rotor Blade, Rotor, And System With Rotor And Rotor Blade") was filed by Buddenhagen on Feb 12, 2021. The application was issued on Feb 14, 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 |
|---|---|---|
| GREEN LIFE ENERJI TIC | Sep 26, 2024 | LOHR |
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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