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The patent EP2565444 was granted to Wlfel Beratende Ingenieure on Feb 27, 2019. The application was filed on Aug 31, 2011 under application number EP11007069A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| FOSX | Nov 26, 2019 | ZACCO DENMARK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102005016524 |
| DESCRIPTION | GB2459726 |
| DESCRIPTION | WO2006012827 |
| OPPOSITION | DE102005017054 |
| OPPOSITION | DE102008037096 |
| OPPOSITION | DE102009039490 |
| OPPOSITION | EP2202408 |
| OPPOSITION | EP2511524 |
| OPPOSITION | US2010209247 |
| OPPOSITION | US2011135474 |
| OPPOSITION | WO2007131489 |
| OPPOSITION | WO2008040347 |
| OPPOSITION | WO2009140435 |
| OPPOSITION | WO2010060772 |
| OPPOSITION | WO2010080391 |
| OPPOSITION | WO2010099928 |
| OPPOSITION | WO2011029439 |
| SEARCH | US2010209247 |
| SEARCH | US2011135474 |
| SEARCH | WO2006012827 |
| SEARCH | WO2010099928 |
| SEARCH | WO2011029439 |
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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Mar 11, 2019
Jan 31, 2019
Decision to grant a European patent
Search/Exam
Jan 22, 2019
Jan 16, 2019
(Electronic) Receipt
Search/Exam
Jan 16, 2019
Annexes in respect of a client data request
Search/Exam
Jan 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 16, 2019
Jan 15, 2019
(Electronic) Receipt
Search/Exam
Jan 15, 2019
English translation of the claims
Search/Exam
Jan 15, 2019
Filing of the translations of the claims
Search/Exam
Jan 15, 2019
French translation of claims
Search/Exam
Jan 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 12, 2018
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Intention to grant (signatures)
Search/Exam
Sep 12, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 12, 2018
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Aug 4, 2017
Payment of fees and costs
Search/Exam
Jan 24, 2017
Claims
Search/Exam
Jan 24, 2017
Description
Search/Exam
Jan 24, 2017
Oct 28, 2016
Submission concerning representation
Search/Exam
Oct 6, 2016
Annex to the communication
Search/Exam
Oct 6, 2016
Communication from the Examining Division
Search/Exam
Aug 17, 2016
Payment of fees and costs
Search/Exam
Aug 13, 2015
Payment of fees and costs
Search/Exam
Dec 10, 2014
Dec 5, 2014
Aug 18, 2014
Payment of fees and costs
Search/Exam
Oct 2, 2013
Examination started
Search/Exam
Aug 14, 2013
Payment of fees and costs
Search/Exam
Mar 11, 2013
Feb 6, 2013
Notification of forthcoming publication
Search/Exam
Dec 6, 2012
Payment of fees and costs
Search/Exam
Nov 22, 2012
Nov 22, 2012
Nov 22, 2012
Amendments received before examination
Search/Exam
Mar 27, 2012
Mar 27, 2012
European search opinion
Search/Exam
Mar 27, 2012
European search report
Search/Exam
Jan 14, 2012
Letter concerning the inventor
Search/Exam
Dec 19, 2011
Nov 28, 2011
Letter which had not been notified
Search/Exam
Sep 7, 2011
Abstract
Search/Exam
Sep 7, 2011
Authorisation
Search/Exam
Sep 7, 2011
Claims
Search/Exam
Sep 7, 2011
Description
Search/Exam
Sep 7, 2011
Designation of inventor
Search/Exam
Sep 7, 2011
Drawings
Search/Exam
Sep 7, 2011
Letter concerning the inventor
Search/Exam
Sep 7, 2011
Request for grant of a European patent
Search/Exam
Aug 31, 2011
Abstract filed by fax
Search/Exam
Aug 31, 2011
Claims filed by fax
Search/Exam
Aug 31, 2011
Description filed by fax
Search/Exam
Aug 31, 2011
Drawings filed by fax
Search/Exam
Aug 31, 2011
Request for grant of a European patent
Search/Exam