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The patent EP2909352 was granted to Bluescope Steel on May 27, 2020. The application was filed on Oct 17, 2013 under application number EP13846727A. 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 | Feb 25, 2021 | LAVOIX | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JPS59226161 |
| DESCRIPTION | US2009098295 |
| DESCRIPTION | US4812371 |
| EXAMINATION | EP1524326 |
| EXAMINATION | US4165401 |
| INTERNATIONAL-SEARCH-REPORT | CA1274754 |
| INTERNATIONAL-SEARCH-REPORT | WO2009097663 |
| OPPOSITION | EP2537954 |
| OPPOSITION | WO2009111842 |
| OTHER | EP1524326 |
| OTHER | JP2000073183 |
| OTHER | KR20110015181 |
| SEARCH | JPS59226161 |
| SEARCH | US2009098295 |
| SEARCH | US4812371 |
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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Letter accompanying subsequently filed items
Search/Exam
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(Electronic) Receipt
Appeal
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Appeal
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Notice of appeal
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Means of redress
OPPO
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Document concerning representation
Search/Exam
Jun 8, 2020
May 4, 2020
Decision to grant a European patent
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Apr 21, 2020
(Electronic) Receipt
Search/Exam
Apr 21, 2020
Filing of the translations of the claims
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Apr 21, 2020
French translation of claims
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Apr 21, 2020
German translation of the claims
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Sep 10, 2019
Amended description with annotations
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Sep 10, 2019
Claims
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Sep 10, 2019
Description
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Sep 10, 2019
Letter accompanying subsequently filed items
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Sep 10, 2019
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(Electronic) Receipt
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Sep 6, 2019
Amended claims with annotations
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Sep 6, 2019
Amended claims with annotations
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Amended claims with annotations
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Sep 6, 2019
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Sep 6, 2019
Claims
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Sep 6, 2019
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Sep 6, 2019
Letter accompanying subsequently filed items
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Advice of delivery
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Aug 9, 2019
Amended claims with annotations
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Amended description with annotations
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Aug 9, 2019
Claims
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Aug 9, 2019
Description
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Aug 9, 2019
Letter accompanying subsequently filed items
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Aug 9, 2019
Jul 24, 2019
Acknowledgement of a document
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Jul 24, 2019
Summons to attend oral proceedings
Search/Exam
Jul 19, 2019
(Electronic) Receipt
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Jul 19, 2019
Oral proceedings: reply to date proposed
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Jun 11, 2019
(Electronic) Receipt
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Jun 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 11, 2019
Letter dealing with oral proceedings
Search/Exam
Mar 26, 2019
Acknowledgement of a document
Search/Exam
Mar 15, 2019
Acknowledgement of a document
Search/Exam
Mar 15, 2019
Summons to attend oral proceedings
Search/Exam
Mar 11, 2019
Annex to the communication
Search/Exam
Apr 27, 2018
(Electronic) Receipt
Search/Exam
Apr 27, 2018
Amended claims with annotations
Search/Exam
Apr 27, 2018
Claims
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Apr 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 27, 2018
Feb 28, 2018
Annex to the communication
Search/Exam
Feb 28, 2018
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Oct 31, 2017
(Electronic) Receipt
Search/Exam
Oct 31, 2017
Amended claims with annotations
Search/Exam
Oct 31, 2017
Claims
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Oct 31, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 31, 2017
Sep 7, 2017
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(Electronic) Receipt
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Sep 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 1, 2017
May 2, 2017
Annex to the communication
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May 2, 2017
Communication from the Examining Division
Search/Exam
Feb 22, 2017
(Electronic) Receipt
Search/Exam
Feb 22, 2017
Amended claims with annotations
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Feb 22, 2017
Amended description with annotations
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Feb 22, 2017
Amended description with annotations
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Feb 22, 2017
Claims
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Feb 22, 2017
Description
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Feb 22, 2017
Description
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Feb 22, 2017
Letter accompanying subsequently filed items
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Feb 22, 2017
Jan 18, 2017
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(Electronic) Receipt
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Jan 10, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2017
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Observations by third parties
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Dec 5, 2016
Patent document filed by a Third party
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Dec 5, 2016
Patent document filed by a Third party
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Dec 5, 2016
Patent document filed by a Third party
Search/Exam
Oct 13, 2016
(Electronic) Receipt
Search/Exam
Oct 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 13, 2016
Letter concerning fees and payments
Search/Exam
Sep 12, 2016
Annex to the communication
Search/Exam
Sep 12, 2016
Communication from the Examining Division
Search/Exam
Sep 5, 2016
Examination started
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Jul 22, 2016
Decision to allow further processing
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Jun 3, 2016
(Electronic) Receipt
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Jun 3, 2016
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Amended claims with annotations
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Jun 3, 2016
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Amendments received before examination
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Jun 3, 2016
Letter accompanying subsequently filed items
Search/Exam
May 27, 2016
(Electronic) Receipt
Search/Exam
May 27, 2016
Letter accompanying subsequently filed items
Search/Exam
May 27, 2016
Maintenance of the application
Search/Exam
Nov 20, 2015
Nov 4, 2015
Nov 4, 2015
European search opinion
Search/Exam
Nov 4, 2015
Supplementary European search report
Search/Exam
Oct 20, 2015
Search started
Search/Exam
Oct 2, 2015
(Electronic) Receipt
Search/Exam
Oct 2, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2015
Letter concerning fees and payments
Search/Exam
Jul 29, 2015
May 26, 2015
Communication to designated inventor
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May 26, 2015
Communication to designated inventor
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May 26, 2015
Communication to designated inventor
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May 26, 2015
Communication to designated inventor
Search/Exam
Apr 29, 2015
Apr 20, 2015
(Electronic) Receipt
Search/Exam
Apr 20, 2015
Apr 20, 2015
Amended claims with annotations
Search/Exam
Apr 20, 2015
Matter concerning the application
Search/Exam
Apr 20, 2015
Priority search results
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Apr 20, 2015
Request for entry into the European phase
Search/Exam
Apr 20, 2015
Submission concerning representation
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Feb 27, 2015
Information on entry into European phase
Search/Exam
Sep 16, 2014
Notification of election of EPO
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May 13, 2014
Apr 24, 2014
Copy of the international search report
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Apr 24, 2014
Published international application - A1
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