Patent No. EP3059307 (titled "Use Of A Laminin For Differentiating Pluripotent Cells Into Hepatocyte Lineage Cells") was filed by Inserm Institut National DE LA Sant ET DE LA Recherche Mdicale on Feb 20, 2015. The application was issued on May 4, 2022.

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 |
|---|---|---|
| CYTOCHROMA | Jul 17, 2019 | OUZMAN |
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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