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The patent EP2326773 was granted to Balfour Beatty on Dec 19, 2018. The application was filed on Aug 20, 2009 under application number EP09785505A. 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 BELVAL & DIFFERDANGE | Sep 12, 2019 | 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 | DE102006041049 |
| INTERNATIONAL-SEARCH-REPORT | DE2631807 |
| INTERNATIONAL-SEARCH-REPORT | FR461687 |
| INTERNATIONAL-SEARCH-REPORT | GB306928 |
| INTERNATIONAL-SEARCH-REPORT | US1784777 |
| OPPOSITION | DE102006041049 |
| OPPOSITION | DE2819737 |
| OPPOSITION | DE9211306U |
| OPPOSITION | JPS62133209 |
| OPPOSITION | US1942163 |
| OTHER | US1784777 |
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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Nov 22, 2024
Refund of fees
Search/Exam
Nov 14, 2024
Nov 14, 2024
Nov 12, 2024
Nov 12, 2024
Nov 11, 2024
(Electronic) Receipt
Appeal
Nov 11, 2024
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Withdrawal of an appeal
Appeal
Oct 22, 2024
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(Electronic) Receipt
Appeal
Oct 7, 2024
General enquiry
Appeal
Oct 7, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Advice of delivery
Search/Exam
Jan 22, 2024
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(Electronic) Receipt
Appeal
Apr 15, 2022
Apr 15, 2022
Reply to appeal
Appeal
Dec 7, 2021
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Nov 29, 2021
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Sep 29, 2021
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Notice of appeal
Appeal
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Submission concerning representation
Search/Exam
Mar 15, 2019
(Electronic) Receipt
Search/Exam
Mar 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 15, 2019
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Nov 22, 2018
Decision to grant a European patent
Search/Exam
Nov 19, 2018
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Decision to allow further processing
Search/Exam
Jul 20, 2018
(Electronic) Receipt
Search/Exam
Jul 20, 2018
French translation of claims
Search/Exam
Jul 20, 2018
German translation of the claims
Search/Exam
Jul 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 20, 2018
Request for further processing
Search/Exam
May 11, 2018
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Intention to grant (signatures)
Search/Exam
Nov 23, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 23, 2017
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(Electronic) Receipt
Search/Exam
Oct 19, 2017
Amended claims with annotations
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Oct 19, 2017
Claims
Search/Exam
Oct 19, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 19, 2017
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Search/Exam
Jun 12, 2017
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Search/Exam
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Search/Exam
May 18, 2017
Amended claims with annotations
Search/Exam
May 18, 2017
Claims
Search/Exam
May 18, 2017
Letter accompanying subsequently filed items
Search/Exam
May 18, 2017
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Intention to grant (signatures)
Search/Exam
Jan 11, 2017
Text intended for grant (clean copy)
Search/Exam
Jan 11, 2017
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Decision to allow further processing
Search/Exam
Jul 12, 2016
(Electronic) Receipt
Search/Exam
Jul 12, 2016
Amended claims with annotations
Search/Exam
Jul 12, 2016
Amended description with annotations
Search/Exam
Jul 12, 2016
Claims
Search/Exam
Jul 12, 2016
Description
Search/Exam
Jul 12, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 12, 2016
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Search/Exam
Feb 1, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2016
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Nov 25, 2015
(Electronic) Receipt
Search/Exam
Nov 25, 2015
Letter accompanying subsequently filed items
Search/Exam
Nov 25, 2015
Jul 27, 2015
Annex to the communication
Search/Exam
Jul 27, 2015
Communication from the Examining Division
Search/Exam
Jul 22, 2015
Examination started
Search/Exam
Sep 18, 2013
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Sep 11, 2013
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Observations by third parties
Search/Exam
Oct 8, 2012
Oct 6, 2011
May 23, 2011
(Electronic) Receipt
Search/Exam
May 23, 2011
Amendments received before examination
Search/Exam
May 23, 2011
Claims
Search/Exam
May 23, 2011
Claims
Search/Exam
May 23, 2011
Letter accompanying subsequently filed items
Search/Exam
May 4, 2011
Apr 13, 2011
Mar 23, 2011
Mar 3, 2011
(Electronic) Receipt
Search/Exam
Mar 3, 2011
Request for entry into the European phase
Search/Exam
Jan 14, 2011
Information on entry into European phase
Search/Exam
Mar 31, 2010
Mar 11, 2010
Copy of the international search report
Search/Exam
Mar 11, 2010
Published international application - A1
Search/Exam
Oct 27, 2009
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Aug 20, 2009
Abstract
PCTISA
Aug 20, 2009
Claims
PCTISA
Aug 20, 2009
Description
PCTISA
Aug 20, 2009
Drawings
PCTISA