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Patent No. EP3569757 (titled "Sealing Element Having A Closure Element In The Form Of A Ring Section, Door With A Sealing Element And A Household Appliance") was filed by BSH Hausgerte on Apr 18, 2019. The application was issued on Sep 3, 2025.

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 |
|---|---|---|
| REHAU INDUSTRIES | May 3, 2023 | GRUNECKER PATENT |
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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