Patent No. EP3559193 (titled "Density Balanced High Impact Perfume Microcapsules") was filed by Firmenich on Dec 21, 2017. The application was issued on Jul 30, 2025.

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 |
|---|---|---|
| FLAVORS AND FRAGRANCES | Apr 30, 2026 | MEWBURN ELLIS |
| GIVAUDAN | Apr 30, 2026 | HASELTINE LAKE KEMPNER |
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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