Patent No. EP2411408 (titled "Soluble "Heavy-Chain Only" Antibodies") was filed by Craig on Mar 19, 2010. The application was issued on Mar 22, 2023.

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 |
|---|---|---|
| ABLYNX | Aug 25, 2016 | HOFFMANN EITLE |
| VIRNEKAS | Aug 24, 2016 | VIRNEKAS |
| REGENERON PHARMACEUTICALS | Aug 23, 2016 | J A KEMP |
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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