The patent EP2571391 was granted to Gooper Hermetic on May 14, 2025. The application was originally filed on May 12, 2011 under application number EP11783162A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0958750 |
| DESCRIPTION | EP2571391 |
| DESCRIPTION | US5604960 |
| DESCRIPTION | US6434801 |
| INTERNATIONAL-SEARCH-REPORT | US2007051785 |
| INTERNATIONAL-SEARCH-REPORT | US5604960 |
| INTERNATIONAL-SEARCH-REPORT | US6434801 |
| INTERNATIONAL-SEARCH-REPORT | US7187261 |
| OPPOSITION | EP0958750 |
| OPPOSITION | EP1864916 |
| OPPOSITION | JPH0474010U |
| OPPOSITION | JPH0556809 |
| OPPOSITION | KR200447735Y |
| OPPOSITION | TWI283566B |
| OPPOSITION | US2007051785 |
| OPPOSITION | US2009211533 |
| OPPOSITION | US2009283197 |
| OPPOSITION | US2009307982 |
| OPPOSITION | US3665355 |
| OPPOSITION | US4236331 |
| OPPOSITION | US5604960 |
| OPPOSITION | US6434801 |
| OPPOSITION | US7187261 |
| OPPOSITION | WO2009052458 |
| OPPOSITION | WO9519754 |
| SEARCH | EP0958750 |
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Date
Description
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Apr 17, 2025
Apr 17, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Apr 4, 2025
Jan 17, 2025
Refund of fees
Search/Exam
Jan 16, 2025
Jan 16, 2025
Jan 13, 2025
Jan 13, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 10, 2025
Jan 9, 2025
(Electronic) Receipt
Appeal
Jan 9, 2025
Jan 9, 2025
Jan 9, 2025
Withdrawal of an appeal
Appeal
Dec 17, 2024
Dec 17, 2024
Dec 5, 2024
Dec 4, 2024
(Electronic) Receipt
Appeal
Dec 4, 2024
Dec 4, 2024
Sep 3, 2024
Aug 28, 2024
(Electronic) Receipt
Appeal
Aug 28, 2024
Aug 28, 2024
Aug 7, 2024
Refund of fees
Search/Exam
Aug 5, 2024
Refund of fees
Search/Exam
Aug 1, 2024
Aug 1, 2024
Jul 29, 2024
Jun 25, 2024
Jun 12, 2024
Jun 12, 2024
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Apr 9, 2024
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(Electronic) Receipt
Appeal
Dec 18, 2023
Dec 18, 2023
Nov 21, 2023
Nov 14, 2023
(Electronic) Receipt
Appeal
Nov 14, 2023
Nov 14, 2023
Withdrawal of an appeal
Appeal
Oct 9, 2023
Oct 9, 2023
Jun 26, 2023
Jun 26, 2023
May 19, 2023
May 12, 2023
(Electronic) Receipt
Appeal
May 12, 2023
May 12, 2023
Description
Appeal
May 12, 2023
May 12, 2023
Jan 13, 2023
Jan 4, 2023
(Electronic) Receipt
Appeal
Jan 4, 2023
Jan 4, 2023
Dec 22, 2022
Dec 19, 2022
(Electronic) Receipt
Appeal
Dec 19, 2022
Dec 19, 2022
Nov 18, 2022
Nov 11, 2022
(Electronic) Receipt
Appeal
Nov 11, 2022
Nov 11, 2022
Nov 7, 2022
Nov 1, 2022
(Electronic) Receipt
Appeal
Nov 1, 2022
Nov 1, 2022
Sep 9, 2022
Sep 5, 2022
(Electronic) Receipt
Appeal
Sep 5, 2022
Advice of delivery
Appeal
Sep 5, 2022
Sep 5, 2022
Sep 5, 2022
Sep 5, 2022
Sep 5, 2022
Sep 5, 2022
Authorisation
Appeal
Sep 5, 2022
Sep 5, 2022
Sep 5, 2022
Aug 23, 2022
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Aug 17, 2022
Aug 9, 2022
Jul 29, 2022
Jul 29, 2022
Reply to appeal
Appeal
Jul 22, 2022
Jul 22, 2022
Reply to appeal
Appeal
Jul 22, 2022
Reply to appeal
Appeal
Jul 20, 2022
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Jul 14, 2022
Jul 14, 2022
Reply to appeal
Appeal
Jul 12, 2022
Jul 7, 2022
(Electronic) Receipt
Appeal
Jul 7, 2022
Jul 7, 2022
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Claims
Appeal
Jul 7, 2022
Claims
Appeal
Jul 7, 2022
Claims
Appeal
Jul 7, 2022
Claims
Appeal
Jul 7, 2022
Claims
Appeal
Jul 7, 2022
Claims
Appeal
Jul 7, 2022
Claims
Appeal
Jul 7, 2022
Claims
Appeal
Jul 7, 2022
Claims
Appeal
Jul 7, 2022
Claims
Appeal
Jul 7, 2022
Description
Appeal
Jul 7, 2022
Jul 7, 2022
Reply to appeal
Appeal
Mar 22, 2022
Mar 4, 2022
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Feb 28, 2022
Feb 23, 2022
(Electronic) Receipt
Appeal
Feb 23, 2022
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Feb 23, 2022
Jan 7, 2022
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Jan 7, 2022
Jan 7, 2022
Dec 23, 2021
Notice of appeal
Appeal
Dec 22, 2021
(Electronic) Receipt
Appeal
Dec 22, 2021
Dec 22, 2021
Notice of appeal
Appeal
Oct 20, 2021
Oct 15, 2021
Oct 15, 2021
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Means of redress
OPPO
Oct 15, 2021
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Payment of fees and costs
Search/Exam
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Nov 27, 2019
Mar 11, 2019
Jan 31, 2019
Decision to grant a European patent
Search/Exam
Jan 23, 2019
Jan 23, 2019
Jan 15, 2019
(Electronic) Receipt
Search/Exam
Jan 15, 2019
(Electronic) Receipt
Search/Exam
Jan 15, 2019
Authorisation
Search/Exam
Jan 15, 2019
Filing of the translations of the claims
Search/Exam
Jan 15, 2019
French translation of claims
Search/Exam
Jan 15, 2019
German translation of the claims
Search/Exam
Jan 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 15, 2019
Sep 25, 2018
Sep 25, 2018
Sep 25, 2018
Intention to grant (signatures)
Search/Exam
Sep 25, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 25, 2018
Aug 28, 2018
Examination started
Search/Exam
Feb 9, 2018
Jan 29, 2018
(Electronic) Receipt
Search/Exam
Jan 29, 2018
Enquiry as to the processing of the file
Search/Exam
Jan 29, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 13, 2016
(Electronic) Receipt
Search/Exam
Dec 13, 2016
Dec 13, 2016
Amended claims with annotations
Search/Exam
Dec 13, 2016
Amendments received before examination
Search/Exam
Dec 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2016
May 17, 2016
May 17, 2016
European search opinion
Search/Exam
May 17, 2016
Information on Search Strategy
Search/Exam
May 17, 2016
Supplementary European search report
Search/Exam
May 4, 2016
Search started
Search/Exam
Nov 26, 2015
Nov 23, 2015
Nov 12, 2014
May 30, 2014
Payment of fees and costs
Search/Exam
Jan 24, 2014
Jul 9, 2013
Jul 2, 2013
Notification of election of EPO
Search/Exam
Jun 20, 2013
Copy of the international search report
Search/Exam
Jun 20, 2013
Jun 19, 2013
May 14, 2013
May 14, 2013
Reply by International Bureau
Search/Exam
Apr 26, 2013
Enquiry with the International Bureau
Search/Exam
Apr 22, 2013
Feb 27, 2013
Dec 21, 2012
Communication to designated inventor
Search/Exam
Dec 21, 2012
Communication to designated inventor
Search/Exam
Nov 21, 2012
(Electronic) Receipt
Search/Exam
Nov 21, 2012
Nov 21, 2012
Amendments received before examination
Search/Exam
Nov 21, 2012
Request for entry into the European phase
Search/Exam
Sep 28, 2012
Information on entry into European phase
Search/Exam
Dec 12, 2011
Dec 12, 2011
Nov 24, 2011
Nov 24, 2011
Published international application - A2
Search/Exam