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The patent EP1836686 was granted to Liras on Jul 8, 2020. The application was filed on Nov 18, 2005 under application number EP05818124A. 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 |
|---|---|---|---|
| DORMAKABA DEUTSCHLAND | May 30, 2018 | BALDER LAW | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE19848192 |
| INTERNATIONAL-SEARCH-REPORT | US2001015691 |
| INTERNATIONAL-SEARCH-REPORT | US2003102957 |
| INTERNATIONAL-SEARCH-REPORT | US2003197591 |
| INTERNATIONAL-SEARCH-REPORT | US2004222699 |
| INTERNATIONAL-SEARCH-REPORT | US5838251 |
| INTERNATIONAL-SEARCH-REPORT | US6538557 |
| OPPOSITION | DE19826904 |
| OPPOSITION | DE19848192 |
| OPPOSITION | EP1128335 |
| OPPOSITION | FR2879644 |
| OPPOSITION | US2001015691 |
| OPPOSITION | US2003102957 |
| OPPOSITION | US2003197591 |
| OPPOSITION | US2004222699 |
| OPPOSITION | US5838251 |
| OPPOSITION | US6538557 |
| OPPOSITION | WO2006053178 |
| OPPOSITION | WO2006067286 |
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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Description
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Decision to grant a European patent
Search/Exam
Jul 18, 2017
(Electronic) Receipt
Search/Exam
Jul 18, 2017
English translation of the claims
Search/Exam
Jul 18, 2017
Filing of the translations of the claims
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Jul 18, 2017
German translation of the claims
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Jul 18, 2017
Letter accompanying subsequently filed items
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Mar 23, 2017
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Intention to grant (signatures)
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Mar 23, 2017
Text intended for grant (clean copy)
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Mar 23, 2017
Oct 18, 2016
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Aug 29, 2016
Authorisation
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Aug 29, 2016
Letter concerning fees and payments
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Aug 29, 2016
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Payment of fees and costs
Search/Exam
Aug 10, 2016
(Electronic) Receipt
Search/Exam
Aug 10, 2016
Amended claims with annotations
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Aug 10, 2016
Claims
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Aug 10, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2016
Aug 1, 2016
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Annexes in respect of a client data request
Search/Exam
Jul 14, 2016
Apr 19, 2016
Annex to the communication
Search/Exam
Apr 19, 2016
Communication from the Examining Division
Search/Exam
Nov 27, 2015
(Electronic) Receipt
Search/Exam
Nov 27, 2015
Amended claims with annotations
Search/Exam
Nov 27, 2015
Claims
Search/Exam
Nov 27, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 27, 2015
Jul 31, 2015
Annex to the communication
Search/Exam
Jul 31, 2015
Communication from the Examining Division
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Nov 21, 2014
Submission concerning representation
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Nov 19, 2014
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Submission concerning representation
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Nov 13, 2014
Dec 27, 2011
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Annexes in respect of a client data request
Search/Exam
Dec 13, 2011
Dec 7, 2011
Annexes in respect of a client data request
Search/Exam
Dec 7, 2011
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2011
Payment of fees and costs
Search/Exam
Dec 7, 2011
Feb 15, 2010
Submission concerning representation
Search/Exam
Sep 9, 2009
Aug 4, 2009
Submission concerning representation
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Feb 13, 2009
Submission concerning representation
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Jan 22, 2009
Claims
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Jan 22, 2009
Description
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Jan 20, 2009
Description
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Jan 20, 2009
Letter accompanying subsequently filed items
Search/Exam
Jan 20, 2009
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Nov 27, 2008
Aug 4, 2008
Annex to the communication
Search/Exam
Aug 4, 2008
Communication from the Examining Division
Search/Exam
Dec 10, 2007
Letter concerning the inventor
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Dec 6, 2007
Letter concerning the inventor
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Nov 14, 2007
Oct 19, 2007
Letter which had not been notified
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Aug 30, 2007
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Jul 11, 2007
Jun 29, 2007
Submission concerning representation
Search/Exam
Jun 22, 2007
Matter concerning the application
Search/Exam
Jun 22, 2007
Payment of fees and costs
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Jun 22, 2007
Request for entry into the European phase
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Jun 20, 2007
Fax request to enter the European phase
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May 4, 2007
Information on entry into European phase
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Jul 21, 2006
Jun 30, 2006
Copy of the international search report
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Jun 30, 2006
Published international application - A1
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Jan 5, 2006
Abstract
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Jan 5, 2006
Claims
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Jan 5, 2006
Description
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Jan 5, 2006
Drawings
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Jan 5, 2006