Patent No. EP2570580 (titled "Seal For Doors, Windows Or The Like With A Seal Strip That Can Be Lowered") was filed by Athmer OHG on Sep 14, 2012. The application was issued on Nov 15, 2017.

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 |
|---|---|---|
| ASSA ABLOY SCHWEIZ | Aug 15, 2018 | CLERC |
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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