Patent No. EP3279703 (titled "Medical Treatment System And Methods Using A Plurality Of Fluid Lines") was filed by Deka Products Partnership on Jul 7, 2011. The application was issued on Jun 29, 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 |
|---|---|---|
| FRESENIUS MEDICAL CARE DEUTSCHLAND | Jan 27, 2020 | BEHR |
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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