The weekly litigation news digest is live. Subscribe now
The patent EP2805331 was granted to Areva on Jul 4, 2018. The application was filed on Jan 22, 2013 under application number EP13781208A. 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 |
|---|---|---|---|
| GNS GESELLSCHAFT FUR NUKLEAR SERVICE | Apr 3, 2019 | ANDREJEWSKI HONKE PATENT UND RECHTSANWALTE PARTNERSCHAFT MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US4780269 |
| INTERNATIONAL-SEARCH-REPORT | JP2002243888 |
| INTERNATIONAL-SEARCH-REPORT | JP2003207593 |
| INTERNATIONAL-SEARCH-REPORT | JP2004156930 |
| INTERNATIONAL-SEARCH-REPORT | JP2007205931 |
| INTERNATIONAL-SEARCH-REPORT | KR20100081865 |
| INTERNATIONAL-SEARCH-REPORT | US2006171500 |
| INTERNATIONAL-SEARCH-REPORT | US2008123798 |
| INTERNATIONAL-SEARCH-REPORT | US5898747 |
| OPPOSITION | EP0175140 |
| OPPOSITION | JP2003207593 |
| OPPOSITION | US2008025349 |
| OPPOSITION | US2008123798 |
| OPPOSITION | US5114666 |
| OPPOSITION | US5881120 |
| OPPOSITION | US5898747 |
| SEARCH | US2007274430 |
| SEARCH | US2008123798 |
| SEARCH | US4634875 |
| SEARCH | US5114666 |
| SEARCH | US5898747 |
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
Get instant alerts for new documents
Feb 1, 2024
Feb 1, 2024
Feb 1, 2024
Jan 18, 2024
Jan 18, 2024
Jan 18, 2024
Dec 19, 2023
Dec 15, 2023
(Electronic) Receipt
Appeal
Dec 15, 2023
Dec 15, 2023
Dec 11, 2023
Dec 11, 2023
Dec 11, 2023
Dec 11, 2023
Dec 11, 2023
Dec 11, 2023
Dec 7, 2023
(Electronic) Receipt
Appeal
Dec 7, 2023
(Electronic) Receipt
Appeal
Dec 7, 2023
Dec 7, 2023
Dec 7, 2023
Dec 7, 2023
Nov 15, 2023
Nov 9, 2023
(Electronic) Receipt
Appeal
Nov 9, 2023
Nov 9, 2023
Aug 7, 2023
(Electronic) Receipt
Appeal
Aug 7, 2023
Advice of delivery
Appeal
Aug 7, 2023
Jul 27, 2023
Jul 27, 2023
Jul 27, 2023
Jul 24, 2023
Jan 31, 2023
Jan 31, 2023
Dec 6, 2022
Dec 6, 2022
Sep 22, 2022
Oct 11, 2021
Oct 8, 2021
Oct 5, 2021
(Electronic) Receipt
Appeal
Oct 5, 2021
Oct 5, 2021
Reply to appeal
Appeal
Oct 4, 2021
Jun 2, 2021
May 27, 2021
(Electronic) Receipt
Appeal
May 27, 2021
May 27, 2021
Mar 30, 2021
Mar 30, 2021
Mar 29, 2021
Mar 26, 2021
Mar 22, 2021
(Electronic) Receipt
Appeal
Mar 22, 2021
Mar 22, 2021
Notice of appeal
Appeal
Feb 12, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Means of redress
OPPO
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Feb 8, 2021
Jan 22, 2021
Dec 9, 2020
Dec 7, 2020
Dec 4, 2020
Dec 4, 2020
Nov 25, 2020
Nov 19, 2020
Nov 19, 2020
Nov 19, 2020
Oct 21, 2020
Oct 21, 2020
Jun 26, 2020
Jun 12, 2020
Jun 5, 2020
Jun 5, 2020
Jun 5, 2020
Jun 5, 2020
Jun 5, 2020
Jun 2, 2020
Jun 2, 2020
May 15, 2020
May 11, 2020
May 11, 2020
May 11, 2020
Apr 20, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
Apr 7, 2020
Apr 2, 2020
Apr 2, 2020
Apr 2, 2020
Mar 12, 2020
Mar 6, 2020
Mar 6, 2020
Mar 6, 2020
Feb 13, 2020
Jan 31, 2020
Jan 15, 2020
Nov 21, 2019
Nov 18, 2019
Nov 18, 2019
Nov 18, 2019
Nov 18, 2019
Nov 18, 2019
Nov 18, 2019
Aug 20, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Aug 14, 2019
Apr 18, 2019
Apr 18, 2019
Apr 16, 2019
Apr 16, 2019
Apr 11, 2019
Apr 3, 2019
Apr 3, 2019
Apr 3, 2019
Apr 3, 2019
Apr 3, 2019
Apr 3, 2019
Apr 3, 2019
Apr 3, 2019
Apr 3, 2019
Apr 3, 2019
Apr 3, 2019
Mar 29, 2019
Jul 16, 2018
Jun 7, 2018
Decision to grant a European patent
Search/Exam
May 28, 2018
(Electronic) Receipt
Search/Exam
May 28, 2018
Filing of the translations of the claims
Search/Exam
May 28, 2018
French translation of claims
Search/Exam
May 28, 2018
German translation of the claims
Search/Exam
Feb 20, 2018
Feb 14, 2018
Annexes in respect of a client data request
Search/Exam
Feb 14, 2018
Letter concerning fees and payments
Search/Exam
Feb 14, 2018
Feb 2, 2018
Feb 2, 2018
Feb 2, 2018
Intention to grant (signatures)
Search/Exam
Feb 2, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 2, 2018
Oct 19, 2017
(Electronic) Receipt
Search/Exam
Oct 19, 2017
Amended claims with annotations
Search/Exam
Oct 19, 2017
Claims
Search/Exam
Oct 19, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 19, 2017
Jul 27, 2017
Jul 21, 2017
(Electronic) Receipt
Search/Exam
Jul 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 21, 2017
Apr 11, 2017
Annex to the communication
Search/Exam
Apr 11, 2017
Communication from the Examining Division
Search/Exam
Mar 30, 2017
Examination started
Search/Exam
Jul 11, 2016
Jul 11, 2016
Amended claims with annotations
Search/Exam
Jul 11, 2016
Amendments received before examination
Search/Exam
Jul 11, 2016
Letter accompanying subsequently filed items
Search/Exam
Jan 8, 2016
Dec 11, 2015
Dec 11, 2015
European search opinion
Search/Exam
Dec 11, 2015
Information on Search Strategy
Search/Exam
Dec 11, 2015
Supplementary European search report
Search/Exam
Dec 2, 2015
CDS Clean up - amended applicant details
Search/Exam
Oct 13, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 13, 2015
Letter concerning search matters
Search/Exam
Aug 12, 2015
Aug 12, 2015
Partial European search report
Search/Exam
Jul 28, 2015
Search started
Search/Exam
Mar 25, 2015
Mar 25, 2015
Amended claims with annotations
Search/Exam
Mar 25, 2015
Amendments received before examination
Search/Exam
Mar 25, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 29, 2014
Oct 14, 2014
Sep 26, 2014
Sep 26, 2014
Sep 24, 2014
Communication to designated inventor
Search/Exam
Sep 24, 2014
Communication to designated inventor
Search/Exam
Sep 24, 2014
Communication to designated inventor
Search/Exam
Sep 24, 2014
Communication to designated inventor
Search/Exam
Sep 24, 2014
Communication to designated inventor
Search/Exam
Sep 24, 2014
Communication to designated inventor
Search/Exam
Sep 5, 2014
Information on entry into European phase
Search/Exam
Sep 2, 2014
Sep 2, 2014
Sep 2, 2014
Payment of fees and costs
Search/Exam
Sep 2, 2014
Sep 2, 2014
Aug 6, 2014
(Electronic) Receipt
Search/Exam
Aug 6, 2014
Request for entry into the European phase
Search/Exam
Aug 4, 2014
Jun 17, 2014
Notification of the recording of a change
Search/Exam
Jan 9, 2014
Jan 9, 2014
Copy of the international search report
Search/Exam
Jan 9, 2014
Jan 9, 2014
Nov 20, 2013
Nov 20, 2013
Oct 31, 2013
Oct 31, 2013
Published international application - A2
Search/Exam