Patent No. EP3134095 (titled "Improved Methods For Manufacturing Adoptive Cell Therapies") was filed by Bluebird BIO on Apr 24, 2015. The application was issued on Apr 22, 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 |
|---|---|---|
| BOULT WADE TENNANT | Jan 22, 2021 | BOULT WADE TENNANT |
| GLAXOSMITHKLINE | Jan 21, 2021 | CHIAPPINELLI |
| DEHNS | Jan 19, 2021 | DEHNS |
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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