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The patent EP2837757 was granted to Dorma Deutschland on Jun 3, 2020. The application was filed on Jul 31, 2014 under application number EP14002678A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 | Opposition Status |
|---|---|---|---|
| GEZE | Apr 12, 2018 | MANITZ FINSTERWALD PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB | - |
| GRETSCH UNITAS BAUBESCHLAGE | Apr 10, 2018 | DREISS PATENTANWALTE PARTG MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102007032534 |
| OPPOSITION | DE102007051944 |
| OPPOSITION | DE20121915U |
| OPPOSITION | DE202008017350U |
| OPPOSITION | DE202010006954U |
| OPPOSITION | DE602004003947T |
| OPPOSITION | DE69209756T |
| OPPOSITION | EP1160399 |
| OPPOSITION | EP1852605 |
| OPPOSITION | EP2128960 |
| OPPOSITION | US2006244427 |
| OPPOSITION | US2008111423 |
| OPPOSITION | US2010060231 |
| OPPOSITION | US2012169453 |
| SEARCH | DE202010006954U |
| SEARCH | EP1160399 |
| SEARCH | US2010060231 |
| SEARCH | US2012169453 |
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.
Date
Description
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Authorisation
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Decision to grant a European patent
Search/Exam
May 30, 2017
(Electronic) Receipt
Search/Exam
May 30, 2017
English translation of the claims
Search/Exam
May 30, 2017
Filing of the translations of the claims
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May 30, 2017
French translation of claims
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May 30, 2017
Letter accompanying subsequently filed items
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Annexes in respect of a client data request
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Intention to grant (signatures)
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Feb 16, 2017
Text intended for grant (clean copy)
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Feb 16, 2017
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Examination started
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Oct 24, 2016
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(Electronic) Receipt
Search/Exam
Jan 4, 2016
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended claims with annotations
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Nov 11, 2015
Amendments received before examination
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Nov 11, 2015
Letter accompanying subsequently filed items
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European search opinion
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European search report
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Apr 2, 2015
Search started
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Annexes in respect of a client data request
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Jan 21, 2015
Notification of forthcoming publication
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Jan 6, 2015
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Letter concerning the priority
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Nov 7, 2014
Priority document
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Oct 24, 2014
Communication to designated inventor
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Aug 2, 2014
Abstract
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Aug 2, 2014
Claims
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Aug 2, 2014
Description
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Aug 2, 2014
Designation of inventor
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Aug 2, 2014
Drawings
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Aug 2, 2014
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Request for grant of a European patent
Search/Exam
Jul 31, 2014
Abstract
Search/Exam
Jul 31, 2014
Claims
Search/Exam
Jul 31, 2014
Description
Search/Exam
Jul 31, 2014
Designation of inventor
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Jul 31, 2014
Drawings
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Jul 31, 2014
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Request for grant of a European patent
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