Patent No. EP2689010 (titled "Method And Compositions For Cellular Immunotherapy") was filed by Fred Hutchinson Cancer Center on Mar 23, 2012. The application was issued on Nov 18, 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 |
|---|---|---|
| KONIG SZYNKA TILMANN VON RENESSE | Jul 20, 2021 | KONIG SZYNKA TILMANN VON RENESSE DUSSELDORF |
| KONIG SZYNKA TILMANN VON RENESSE | Jul 20, 2021 | KONIG SZYNKA TILMANN VON RENESSE PATENTANWALTE PARTNERSCHAFT MBB DUSSELDORF |
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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