Patent No. EP3483276 (titled "Improved Methods Of Genetically Modifying Animal Cells") was filed by Wilson Wolf Manufacturing on Sep 23, 2014. The application was issued on Mar 31, 2021.

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 |
|---|---|---|
| EUROPEAN OPPOSITIONS | Dec 31, 2021 | MAIWALD |
| GRUND IPG PATENTANWALTE UND SOLICITOR PARTG MBB | Dec 28, 2021 | GRUND |
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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