Patent No. EP3411489 (titled "Integrated Fermentation And Electrolysis Process") was filed by Lanzatech NEW Zealand on Feb 1, 2017. The application was issued on Jul 26, 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 |
|---|---|---|
| EVONIK OPERATIONS | Apr 18, 2024 | EISENFUHR SPEISER |
| EVONIK OPERATIONS | Apr 18, 2024 | EVONIK PATENT ASSOCIATION |
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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