Patent No. EP2725172 (titled "Method For Operating A Rescue Path Device And Rescue Path Assembly") was filed by Assa Abloy Sicherheitstechnik on Oct 24, 2013. The application was issued on Jun 27, 2018.

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 |
|---|---|---|
| GEZE | Mar 27, 2019 | MANITZ FINSTERWALD PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB |
| DORMAKABA DEUTSCHLAND | Mar 26, 2019 | BALDER LAW |
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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