Patent No. EP3869107 (titled "Assembly Unit Comprising A Hotplate And Steam Extractor") was filed by Bruckbauer on Apr 28, 2012. The application was issued on Feb 23, 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 |
|---|---|---|
| ELECTROLUX ROTHENBURG FACTORY | Nov 7, 2022 | WEICKMANN & WEICKMANN PARTMBB |
| ELICA | Jul 28, 2022 | PERANI & PARTNERS |
| MIELE & CIE | Jul 1, 2022 | COHAUSZ & FLORACK |
| BERBEL ABLUFTTECHNIK | Jun 24, 2022 | SCHNEIDERS & BEHRENDT BOCHUM |
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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