Patent No. EP2981180 (titled "Uses Of Soluble Corn Fiber For Increasing Colonic Bacteria Populations And Increasing Mineral Absorption") was filed by Purdue Research Foundation on Mar 22, 2014. The application was issued on Aug 13, 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 |
|---|---|---|
| TIENSE SUIKERRAFFINADERIJ | Sep 29, 2022 | KOSTER |
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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