Patent No. EP4126763 (titled "Zeolitic Material Having A Framework Structure Comprising Si, O, And Ti") was filed by Basf on Mar 22, 2021. The application was issued on Jan 28, 2026.

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 |
|---|---|---|
| CLARIANT PRODUKTE DEUTSCHLAND | Oct 27, 2026 | ABITZ & PARTNER |
| THE DOW CHEMICAL | Oct 27, 2026 | BECK GREENER |
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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