Patent No. EP3206987 (titled "Nanoparticles For Photodynamic Therapy, X-Ray Induced Photodynamic Therapy, Radiotherapy, Chemotherapy, Immunotherapy, And Any Combination Thereof") was filed by The University OF Chicago on Oct 14, 2015. The application was issued on Jul 24, 2024.

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 |
|---|---|---|
| PLOUGMANN VINGTOFT | Mar 30, 2021 | PLOUGMANN VINGTOFT |
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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