Patent No. EP2793618 (titled "Methods For Purifying Steviol Glycosides And Uses Of The Same") was filed by Purecircle SDN BHD on Dec 19, 2012. The application was issued on Nov 15, 2017.

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 |
|---|---|---|
| GLEISS GROSSE SCHRELL UND PARTNER MBB | Aug 15, 2018 | NEDERLANDSCH OCTROOIBUREAU |
| HANNA MOORE & CURLEY | Aug 14, 2018 | MURGITROYD |
| INGREDION INCORPORATED | Aug 14, 2018 | WILDHACK & JELLINEK PATENTANWALTE |
| STRAWMAN | Aug 13, 2018 | GREAVES BREWSTER |
| WITTKOPP | Aug 9, 2018 | GILL JENNINGS & EVERY |
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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