Patent No. EP3227447 (titled "Guide Rna With Chemical Modifications") was filed by Agilent on Dec 3, 2015. The application was issued on Apr 24, 2024.

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 |
|---|---|---|
| KRAUS & LEDERER PARTGMBB | Jan 24, 2025 | KRAUS & LEDERER PARTGMBB |
| DORRIES | Jan 22, 2025 | REITER |
| WUESTHOFF & WUESTHOFF | Jan 14, 2025 | WICHMANN |
| JAMES POOLE | Sep 23, 2024 | CARPMAELS & RANSFORD |
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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