Patent No. EP2806900 (titled "Rna Modulating Oligonucleotides With Improved Characteristics For The Treatment Of Duchenne And Becker Muscular Dystrophy") was filed by Biomarin on Jan 28, 2013. The application was issued on Dec 15, 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 |
|---|---|---|
| JAMES POOLE | Sep 15, 2022 | CARPMAELS & RANSFORD |
| STRAWMAN | Sep 15, 2022 | MEWBURN ELLIS |
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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