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Patent No. EP2970456 (titled "Methods And Compositions For Delivering Mrna Coded Antibodies") was filed by Shire Human Genetic Therapies on Mar 14, 2014. The application was issued on May 19, 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 |
|---|---|---|
| EIP | Feb 21, 2022 | EIP |
| STRAWMAN | Feb 18, 2022 | MAIWALD |
| STRAWMAN | Feb 18, 2022 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB |
| WITHERS & ROGERS | Feb 18, 2022 | TOMBLING |
| GLAXOSMITHKLINE | Feb 18, 2022 | HITCHCOCK |
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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