Patent No. EP3519072 (titled "Method And System For Transferring Separation Resin") was filed by Cytiva Sweden on Sep 29, 2017. The application was issued on Jul 26, 2023.

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 |
|---|---|---|
| SARTORIUS STEDIM CHROMATOGRAPHY SYSTEMS | Apr 26, 2024 | MULLER BORE & PARTNER |
| SARTORIUS STEDIM CHROMATOGRAPHY SYSTEMS | Apr 26, 2024 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB |
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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