Patent No. EP3685673 (titled "Vegan Chocolate") was filed by Katjes Fassin Kommanditgesellschaft on Jan 22, 2019. The application was issued on Apr 14, 2021.

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 |
|---|---|---|
| CASA LUKER | Jan 14, 2022 | LATZEL |
| BARRY CALLEBAUT | Jan 13, 2022 | TER MEER STEINMEISTER & PARTNER |
| NESTLE | Jan 13, 2022 | SLAVEN |
| COOP GENOSSENSCHAFT | Jan 12, 2022 | CIESLA |
| CHOCOLADEFABRIKEN LINDT & SPRUNGLI | Aug 4, 2021 | MAIWALD |
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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