Patent No. EP2500459 (titled "Method And Device For Washing, In Particular Laundry Items") was filed by Herbert Kannegiesser on Feb 27, 2012. The application was issued on Apr 14, 2021.

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 |
|---|---|---|
| JENSEN | Jun 20, 2018 | GROSSE SCHUMACHER KNAUER VON HIRSCHHAUSEN |
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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