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Patent No. EP2755033 (titled "Sample Processing System Having A Dosing Device And Thermal Cycler") was filed by Hamilton Bonaduz on Jan 8, 2014. The application was issued on May 22, 2019.

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 |
|---|---|---|
| INHECO INDUSTRIAL HEATING AND COOLING | Feb 24, 2020 | GRATTINGER MOHRING VON POSCHINGER PATENTANWALTE PARTNERSCHAFT MBB |
| BECKMAN COULTER | Feb 21, 2020 | MAIWALD |
| BOEHMERT & BOEHMERT ANWALTSPARTNERSCHAFT MBB | Feb 21, 2020 | SCHMID |
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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