Patent No. EP3837233 (titled "Method For Producing Menthol Particles Stabilized Against Caking, And Storage-Stable Menthol Particles And Use Thereof") was filed by Basf on Aug 14, 2019. The application was issued on Jun 26, 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 |
|---|---|---|
| SYMRISE | Mar 26, 2025 | EISENFHR SPEISER |
| SYMRISE | Mar 26, 2025 | EISENFUHR SPEISER |
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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