Patent No. EP3445770 (titled "Separation Of Oligosaccharides From Fermentation Broth") was filed by Glycom on Apr 19, 2017. The application was issued on Nov 26, 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 |
|---|---|---|
| CHR HANSEN HMO | Aug 25, 2026 | HOFFMANN EITLE |
| GREAVES BREWSTER | Aug 24, 2026 | GREAVES BREWSTER |
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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