Patent No. EP3552613 (titled "Composition For Inducing Proliferation Or Accumulation Of Regulatory T Cells") was filed by The University OF Tokyo on Jun 3, 2011. The application was issued on Apr 29, 2020.

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 |
|---|---|---|
| POTTER CLARKSON | Jan 29, 2021 | POTTER CLARKSON |
| STRAWMAN | Jan 29, 2021 | BRAND MURRAY FULLER |
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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