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Patent No. EP1827604 (titled "Methods And Compositions For Adoptive Immunotherapy") was filed by Peter Maccallum Cancer Institute on Dec 12, 2005. The application was issued on Nov 20, 2019.

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 |
|---|---|---|
| MATHYS & SQUIRE | Aug 20, 2020 | KONIG SZYNKA TILMANN VON RENESSE PATENTANWALTE PARTNERSCHAFT MBB DUSSELDORF |
| PATENT BOUTIQUE | Aug 20, 2020 | BRISCOE |
| GLAXOSMITHKLINE | Aug 19, 2020 | OFARRELL |
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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