Patent No. EP2480305 (titled "Separation System And Method") was filed by GE Healthcare BIO Sciences on Sep 20, 2010. The application was issued on Oct 28, 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 |
|---|---|---|
| SARTORIUS CHROMATOGRAPHY EQUIPMENT | Jul 27, 2021 | BANDPAY & GREUTER |
| SARTORIUS STEDIM BIOTECH | Jul 27, 2021 | 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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