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The patent EP2134506 was granted to Contexo on Apr 29, 2020. The application was filed on Mar 31, 2008 under application number EP08748851A. 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 |
|---|---|---|---|
| ARCELORMITTAL | Jan 27, 2021 | ARONOVA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2001146738 |
| INTERNATIONAL-SEARCH-REPORT | WO2005038148 |
| INTERNATIONAL-SEARCH-REPORT | WO2007082619 |
| OPPOSITION | DE10339957 |
| OPPOSITION | DE1264931 |
| OPPOSITION | DE613210 |
| OPPOSITION | EP0790093 |
| OPPOSITION | JP2001146738 |
| OPPOSITION | WO2005038148 |
| OPPOSITION | WO2007082619 |
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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Oct 18, 2023
Advice of delivery
Appeal
Oct 16, 2023
Advice of delivery
Appeal
Oct 11, 2023
Oct 11, 2023
Oct 11, 2023
Oct 5, 2023
Sep 27, 2023
(Electronic) Receipt
Appeal
Sep 27, 2023
Sep 27, 2023
Sep 18, 2023
Sep 18, 2023
Sep 13, 2023
Sep 12, 2023
Sep 5, 2023
May 8, 2023
Apr 27, 2023
(Electronic) Receipt
Appeal
Apr 27, 2023
Apr 27, 2023
Apr 27, 2023
Feb 28, 2023
Feb 28, 2023
Feb 20, 2023
(Electronic) Receipt
Appeal
Feb 20, 2023
Feb 20, 2023
Notice of appeal
Appeal
Dec 29, 2022
Dec 28, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
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Dec 23, 2022
Means of redress
OPPO
Dec 23, 2022
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Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
May 11, 2020
Apr 2, 2020
Decision to grant a European patent
Search/Exam
Mar 10, 2020
(Electronic) Receipt
Search/Exam
Mar 10, 2020
English translation of the claims
Search/Exam
Mar 10, 2020
Filing of the translations of the claims
Search/Exam
Mar 10, 2020
French translation of claims
Search/Exam
Mar 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 22, 2019
Nov 22, 2019
Nov 22, 2019
Intention to grant (signatures)
Search/Exam
Nov 22, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 22, 2019
Oct 31, 2019
Oct 15, 2019
Communication from the Legal Division
Search/Exam
Sep 11, 2019
Annex
Search/Exam
Sep 11, 2019
Letter to the Legal Division
Search/Exam
Jul 9, 2019
Extension of time limit granted
Search/Exam
Jul 2, 2019
Letter to the Legal Division
Search/Exam
Jun 25, 2019
Brief communication to third party
Search/Exam
Apr 16, 2019
Letter to the Legal Division
Search/Exam
Mar 11, 2019
Advice of delivery
Search/Exam
Mar 8, 2019
Communication from the Legal Division
Search/Exam
Sep 28, 2018
Sep 21, 2018
Observations by third parties
Search/Exam
Jun 28, 2018
Annex
Search/Exam
Jun 28, 2018
Annex
Search/Exam
Jun 28, 2018
Annex
Search/Exam
Jun 28, 2018
Annex
Search/Exam
Jun 28, 2018
Letter to the Legal Division
Search/Exam
May 22, 2018
Amended claims with annotations
Search/Exam
May 22, 2018
Amended description with annotations
Search/Exam
May 22, 2018
Claims
Search/Exam
May 22, 2018
Cover sheet for fax transmission
Search/Exam
May 22, 2018
Description
Search/Exam
May 22, 2018
May 17, 2018
Amended claims with annotations
Search/Exam
May 17, 2018
Amended description with annotations
Search/Exam
May 17, 2018
Claims
Search/Exam
May 17, 2018
Description
Search/Exam
May 17, 2018
May 2, 2018
General authorisation
Search/Exam
May 2, 2018
Matter concerning the application
Search/Exam
May 2, 2018
May 2, 2018
Mar 26, 2018
Mar 21, 2018
Mar 20, 2018
Feb 27, 2018
Communication from the Legal Division
Search/Exam
Feb 27, 2018
Communication from the Legal Division
Search/Exam
Feb 27, 2018
Communication from the Legal Division
Search/Exam
Nov 10, 2017
Annex to the communication
Search/Exam
Nov 10, 2017
Communication from the Examining Division
Search/Exam
Oct 23, 2017
Oct 20, 2017
Decision to allow further processing
Search/Exam
Oct 20, 2017
Oct 18, 2017
Oct 13, 2017
Oct 5, 2017
Amended claims with annotations
Search/Exam
Oct 5, 2017
Amended description with annotations
Search/Exam
Oct 5, 2017
Claims
Search/Exam
Oct 5, 2017
Description
Search/Exam
Oct 5, 2017
Payment of fees and costs
Search/Exam
Oct 5, 2017
Oct 5, 2017
Request for further processing
Search/Exam
Oct 2, 2017
Amended claims with annotations
Search/Exam
Oct 2, 2017
Amended description with annotations
Search/Exam
Oct 2, 2017
Claims
Search/Exam
Oct 2, 2017
Description
Search/Exam
Oct 2, 2017
Payment of fees and costs
Search/Exam
Oct 2, 2017
Payment of fees and costs
Search/Exam
Oct 2, 2017
Oct 2, 2017
Request for further processing
Search/Exam
Jul 21, 2017
May 31, 2017
Annex
Search/Exam
May 31, 2017
Annex
Search/Exam
May 31, 2017
Annex
Search/Exam
May 31, 2017
Annex
Search/Exam
May 31, 2017
Annex
Search/Exam
May 31, 2017
Letter to the Legal Division
Search/Exam
May 22, 2017
Letter to the Legal Division
Search/Exam
May 8, 2017
Apr 28, 2017
Apr 24, 2017
Dec 13, 2016
Annex to the communication
Search/Exam
Dec 13, 2016
Communication from the Examining Division
Search/Exam
Dec 7, 2016
Examination started
Search/Exam
Sep 14, 2016
Mar 31, 2015
Payment of fees and costs
Search/Exam
Mar 31, 2015
Payment of fees and costs
Search/Exam
Oct 20, 2014
Brief communication to third party
Search/Exam
Sep 17, 2014
Letter to the Legal Division
Search/Exam
Mar 31, 2014
Letter concerning fees and payments
Search/Exam
Mar 31, 2014
Payment of fees and costs
Search/Exam
Jan 14, 2014
Letter to the Legal Division
Search/Exam
Sep 19, 2013
Letter to the Legal Division
Search/Exam
Sep 18, 2013
Letter concerning fees and payments
Search/Exam
May 16, 2013
Letter to the Legal Division
Search/Exam
May 6, 2013
Jan 17, 2013
Letter to the Legal Division
Search/Exam
Oct 31, 2012
Refund of fees
Search/Exam
Oct 31, 2012
Refund of fees
Search/Exam
Oct 1, 2012
Payment of fees and costs
Search/Exam
Sep 28, 2012
Letter concerning fees and payments
Search/Exam
Sep 14, 2012
Letter to the Legal Division
Search/Exam
Jul 9, 2012
Brief communication
Search/Exam
Jul 9, 2012
Communication from the Legal Division
Search/Exam
May 4, 2012
Apr 16, 2012
Annex
Search/Exam
Apr 16, 2012
Letter to the Legal Division
Search/Exam
Sep 30, 2011
Payment of fees and costs
Search/Exam
May 4, 2011
May 5, 2010
Submission concerning representation
Search/Exam
Nov 25, 2009
Nov 13, 2009
Oct 30, 2009
Request for entry into the European phase
Search/Exam
Oct 20, 2009
Sep 30, 2009
Sep 30, 2009
Sep 30, 2009
Notification of the recording of a change
Search/Exam
Sep 30, 2009
Notification of the recording of a change
Search/Exam
Sep 7, 2009
Letter which had not been notified
Search/Exam
Aug 13, 2009
Information on entry into European phase
Search/Exam
Oct 29, 2008
Oct 9, 2008
Copy of the international search report
Search/Exam
Oct 9, 2008
Copy of the international search report
Search/Exam
Oct 9, 2008
Published international application - A1
Search/Exam
Mar 31, 2008
Abstract
PCTRO
Mar 31, 2008
Claims
PCTRO
Mar 31, 2008
Description
PCTRO
Mar 31, 2008
Drawings
PCTRO