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The patent EP2325394 was granted to CPE Corrosion Protection Engeneering on Oct 11, 2023. The application was filed on Nov 12, 2010 under application number EP10191024A. 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 |
|---|---|---|---|
| DYWIDAG SYSTEMS | Oct 24, 2018 | WEICKMANN & WEICKMANN PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE20311395U |
| OPPOSITION | DE102008049942 |
| OPPOSITION | DE202005020287U |
| OPPOSITION | DE20311395U |
| OPPOSITION | EP2172593 |
| OPPOSITION | US2858555 |
| OPPOSITION | US4106436 |
| OPPOSITION | US4169427 |
| OPPOSITION | US6494141 |
| SEARCH | DE20311395U |
| SEARCH | DE29502234U |
| SEARCH | US2858555 |
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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Sep 14, 2023
Sep 14, 2023
Sep 13, 2023
Aug 31, 2023
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Aug 31, 2023
Aug 31, 2023
Aug 31, 2023
Jul 11, 2023
Jul 11, 2023
Jul 11, 2023
Jul 5, 2023
Jun 20, 2023
Refund of fees
Appeal
Jun 6, 2023
Jun 6, 2023
Jun 6, 2023
Jun 6, 2023
Jun 1, 2023
(Electronic) Receipt
Appeal
Jun 1, 2023
Jun 1, 2023
Jun 1, 2023
Withdrawal of an appeal
Appeal
May 23, 2023
May 23, 2023
Apr 4, 2023
Apr 4, 2023
Mar 30, 2023
Mar 2, 2023
Mar 2, 2023
Feb 27, 2023
Feb 21, 2023
Feb 20, 2023
(Electronic) Receipt
Appeal
Feb 20, 2023
Feb 20, 2023
Feb 13, 2023
Advice of delivery
Appeal
Feb 10, 2023
Feb 10, 2023
Feb 7, 2023
Jan 23, 2023
Mar 12, 2022
Dec 13, 2021
Dec 8, 2021
(Electronic) Receipt
Appeal
Dec 8, 2021
Dec 8, 2021
Oct 4, 2021
Sep 29, 2021
(Electronic) Receipt
Appeal
Sep 29, 2021
Sep 29, 2021
Jun 25, 2021
May 19, 2021
May 19, 2021
May 4, 2021
Apr 27, 2021
(Electronic) Receipt
Appeal
Apr 27, 2021
Apr 27, 2021
Apr 27, 2021
Apr 15, 2021
Apr 12, 2021
(Electronic) Receipt
Appeal
Apr 12, 2021
Apr 12, 2021
Jan 11, 2021
Dec 14, 2020
(Electronic) Receipt
Appeal
Dec 14, 2020
Dec 14, 2020
Reply to appeal
Appeal
Aug 14, 2020
Aug 11, 2020
(Electronic) Receipt
Appeal
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
Aug 11, 2020
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Jun 23, 2020
Jun 23, 2020
Jun 15, 2020
(Electronic) Receipt
Appeal
Jun 15, 2020
Jun 15, 2020
Notice of appeal
Appeal
Apr 23, 2020
Apr 21, 2020
Apr 15, 2020
Apr 15, 2020
Apr 15, 2020
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Means of redress
OPPO
Apr 15, 2020
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Claims
OPPO
Dec 18, 2019
Claims
OPPO
Dec 18, 2019
Claims
OPPO
Dec 18, 2019
Claims
OPPO
Dec 18, 2019
Claims
OPPO
Dec 18, 2019
Claims
OPPO
Dec 18, 2019
Claims
OPPO
Dec 18, 2019
Claims
OPPO
Dec 18, 2019
Claims
OPPO
Dec 18, 2019
Claims
OPPO
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Authorisation
OPPO
Mar 26, 2019
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Authorisation
OPPO
Mar 6, 2019
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Nov 7, 2018
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Apr 19, 2018
Apr 13, 2018
Feb 2, 2018
Jan 5, 2018
Decision to grant a European patent
Search/Exam
Dec 15, 2017
(Electronic) Receipt
Search/Exam
Dec 15, 2017
English translation of the claims
Search/Exam
Dec 15, 2017
Filing of the translations of the claims
Search/Exam
Dec 15, 2017
French translation of claims
Search/Exam
Aug 16, 2017
Aug 16, 2017
Aug 16, 2017
Intention to grant (signatures)
Search/Exam
Aug 16, 2017
Text intended for grant (clean copy)
Search/Exam
Aug 16, 2017
Jul 25, 2017
Examination started
Search/Exam
Jan 12, 2017
(Electronic) Receipt
Search/Exam
Jan 12, 2017
Jan 12, 2017
Amended claims with annotations
Search/Exam
Jan 12, 2017
Jan 12, 2017
Jan 12, 2017
Amended description with annotations
Search/Exam
Jan 12, 2017
Amended description with annotations
Search/Exam
Jan 12, 2017
Amendments received before examination
Search/Exam
Jan 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 30, 2016
Payment of fees and costs
Search/Exam
Jul 18, 2016
Jun 15, 2016
Jun 15, 2016
European search opinion
Search/Exam
Jun 15, 2016
European search report
Search/Exam
Jun 15, 2016
Information on Search Strategy
Search/Exam
Jun 8, 2016
Search started
Search/Exam
Jan 8, 2016
Dec 17, 2015
Nov 5, 2014
Submission concerning representation
Search/Exam
Nov 5, 2014
Submission concerning representation
Search/Exam
Nov 29, 2013
(Electronic) Receipt
Search/Exam
Nov 29, 2013
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2013
Payment of fees and costs
Search/Exam
Nov 29, 2012
Letter concerning fees and payments
Search/Exam
Nov 29, 2012
Payment of fees and costs
Search/Exam
Nov 29, 2012
Payment of fees and costs
Search/Exam
Apr 28, 2011
Notification of forthcoming publication
Search/Exam
Mar 8, 2011
Modified abstract
Search/Exam
Dec 3, 2010
Letter concerning the priority
Search/Exam
Dec 3, 2010
Priority document
Search/Exam
Nov 12, 2010
Abstract
Search/Exam
Nov 12, 2010
Nov 12, 2010
Claims
Search/Exam
Nov 12, 2010
Description
Search/Exam
Nov 12, 2010
Designation of inventor
Search/Exam
Nov 12, 2010
Drawings
Search/Exam
Nov 12, 2010
Request for grant of a European patent
Search/Exam