Patent No. EP3103476 (titled "Antibodies Against A Proliferating Inducing Ligand (April)") was filed by Aduro Biotech on Feb 23, 2010. The application was issued on Jul 27, 2022.

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 |
|---|---|---|
| ZWICKER SCHNAPPAUF & PARTNER | Apr 25, 2023 | ZWICKER |
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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