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The patent EP2339336 was granted to Life Safety Germany on Jun 10, 2020. The application was filed on Aug 6, 2003 under application number EP11155949A. 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 |
|---|---|---|---|
| DRAGERWERK | Feb 5, 2018 | MULLER SCHUPFNER & PARTNER PATENT UND MUC | - |
| DRAGERWERK | Feb 5, 2018 | MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4554383 |
| DESCRIPTION | WO0015594 |
| DESCRIPTION | WO0016902 |
| EXAMINATION | US4587003 |
| OPPOSITION | DE19726453 |
| OPPOSITION | EP0531745 |
| OPPOSITION | US5855809 |
| SEARCH | DE10245337 |
| SEARCH | DE19622930 |
| SEARCH | EP0531745 |
| SEARCH | US5171649 |
| SEARCH | US5683832 |
| SEARCH | US5965054 |
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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May 14, 2020
May 14, 2020
May 8, 2020
May 5, 2020
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Mar 19, 2020
Mar 19, 2020
Mar 16, 2020
Refund of fees
Appeal
Mar 13, 2020
Mar 12, 2020
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Mar 4, 2020
Feb 27, 2020
(Electronic) Receipt
Appeal
Feb 27, 2020
Feb 27, 2020
Withdrawal of an appeal
Appeal
Jan 3, 2020
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Dec 16, 2019
(Electronic) Receipt
Appeal
Dec 16, 2019
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Notice of appeal
Appeal
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OPPO
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OPPO
Jul 9, 2019
Claims
OPPO
Jul 9, 2019
Claims
OPPO
Jul 9, 2019
Claims
OPPO
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Claims
OPPO
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May 3, 2017
Apr 6, 2017
Decision to grant a European patent
Search/Exam
Mar 23, 2017
(Electronic) Receipt
Search/Exam
Mar 23, 2017
French translation of claims
Search/Exam
Mar 23, 2017
German translation of the claims
Search/Exam
Mar 23, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 6, 2016
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Intention to grant (signatures)
Search/Exam
Dec 6, 2016
Text intended for grant
Search/Exam
Dec 5, 2016
Oct 27, 2016
(Electronic) Receipt
Search/Exam
Oct 27, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 27, 2016
Request for a decision
Search/Exam
Oct 26, 2016
May 11, 2016
Annex to a communication
Search/Exam
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Annex to a communication
Search/Exam
May 11, 2016
Annex to a communication
Search/Exam
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Annex to a communication
Search/Exam
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Annex to a communication
Search/Exam
May 11, 2016
Annex to a communication
Search/Exam
May 11, 2016
Annex to the communication
Search/Exam
May 11, 2016
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Intention to grant (signatures)
Search/Exam
May 11, 2016
May 11, 2016
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Text intended for grant
Search/Exam
Mar 31, 2016
Mar 21, 2016
Mar 11, 2016
(Electronic) Receipt
Search/Exam
Mar 11, 2016
Amended claims with annotations
Search/Exam
Mar 11, 2016
Claims
Search/Exam
Mar 11, 2016
Letter accompanying subsequently filed items
Search/Exam
Mar 11, 2016
Letter dealing with oral proceedings
Search/Exam
Mar 11, 2016
Mar 11, 2016
Mar 11, 2016
Mar 11, 2016
Mar 11, 2016
Mar 4, 2016
Submission concerning representation
Search/Exam
Nov 27, 2015
Advice of delivery
Search/Exam
Nov 26, 2015
Advice of delivery
Search/Exam
Nov 24, 2015
Acknowledgement of a document
Search/Exam
Nov 24, 2015
Annex to the communication
Search/Exam
Nov 24, 2015
Preparation for oral proceedings
Search/Exam
Nov 24, 2015
Summons to attend oral proceedings
Search/Exam
Mar 26, 2015
Mar 26, 2015
Mar 25, 2015
Mar 24, 2015
Feb 11, 2015
May 19, 2014
Decision to allow further processing
Search/Exam
May 2, 2014
May 2, 2014
Payment of fees and costs
Search/Exam
May 2, 2014
Request for further processing
Search/Exam
Mar 3, 2014
Dec 4, 2013
Nov 26, 2013
Jul 23, 2013
Annex to the communication
Search/Exam
Jul 23, 2013
Communication from the Examining Division
Search/Exam
Jul 15, 2013
Examination started
Search/Exam
Oct 11, 2012
Sep 28, 2012
Mar 28, 2012
Mar 28, 2012
Amendments received before examination
Search/Exam
Mar 6, 2012
Refund of fees
Search/Exam
Oct 4, 2011
Aug 30, 2011
Aug 30, 2011
European search opinion
Search/Exam
Aug 30, 2011
European search report
Search/Exam
Jun 1, 2011
Notification of forthcoming publication
Search/Exam
May 4, 2011
May 4, 2011
Partial European search report
Search/Exam
Mar 11, 2011
Feb 25, 2011
Abstract
Search/Exam
Feb 25, 2011
Feb 25, 2011
Claims
Search/Exam
Feb 25, 2011
Description
Search/Exam
Feb 25, 2011
Designation of inventor
Search/Exam
Feb 25, 2011
Drawings
Search/Exam
Feb 25, 2011
Letter concerning search matters
Search/Exam
Feb 25, 2011
Request for grant of a European patent
Search/Exam
Feb 25, 2011
Submission concerning representation
Search/Exam
May 26, 2004