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The patent EP3205334 was granted to AGC on Apr 29, 2020. The application was filed on May 28, 2009 under application number EP17000440A. 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 |
|---|---|---|---|
| COOKE | Jan 26, 2021 | ELKINGTON AND FIFE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0850926 |
| DESCRIPTION | EP0969846 |
| DESCRIPTION | EP1011728 |
| DESCRIPTION | EP1115406 |
| DESCRIPTION | EP1321144 |
| DESCRIPTION | EP1349580 |
| DESCRIPTION | EP1547599 |
| DESCRIPTION | EP1666043 |
| DESCRIPTION | EP1825855 |
| DESCRIPTION | EP1829545 |
| DESCRIPTION | EP1905453 |
| DESCRIPTION | EP1916002 |
| DESCRIPTION | US2007248697 |
| DESCRIPTION | US5409125 |
| DESCRIPTION | US5614172 |
| DESCRIPTION | US5807892 |
| DESCRIPTION | US5886035 |
| DESCRIPTION | US6096783 |
| DESCRIPTION | US6241124 |
| DESCRIPTION | US6344477 |
| DESCRIPTION | WO2007042262 |
| OPPOSITION | EP1321144 |
| OPPOSITION | EP1825855 |
| OPPOSITION | US2005287325 |
| OPPOSITION | WO0003736 |
| SEARCH | EP1321144 |
| SEARCH | EP1825855 |
| SEARCH | WO0003736 |
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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Mar 18, 2025
Mar 18, 2025
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Feb 27, 2025
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(Electronic) Receipt
Appeal
Jan 30, 2025
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(Electronic) Receipt
Appeal
Dec 20, 2024
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Apr 26, 2023
(Electronic) Receipt
Appeal
Apr 26, 2023
(Electronic) Receipt
Appeal
Apr 26, 2023
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Apr 26, 2023
Reply to appeal
Appeal
Apr 26, 2023
Reply to appeal
Appeal
Jan 23, 2023
Dec 16, 2022
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Dec 12, 2022
(Electronic) Receipt
Appeal
Dec 12, 2022
Dec 12, 2022
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Dec 1, 2022
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Oct 12, 2022
Oct 12, 2022
Notice of appeal
Appeal
Oct 11, 2022
(Electronic) Receipt
Appeal
Oct 11, 2022
Oct 11, 2022
Notice of appeal
Appeal
Aug 2, 2022
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Means of redress
OPPO
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Jan 26, 2021
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May 11, 2020
May 7, 2020
Refund of fees
Search/Exam
Apr 2, 2020
Decision to grant a European patent
Search/Exam
Mar 17, 2020
(Electronic) Receipt
Search/Exam
Mar 17, 2020
Filing of the translations of the claims
Search/Exam
Mar 17, 2020
French translation of claims
Search/Exam
Mar 17, 2020
German translation of the claims
Search/Exam
Mar 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2020
Mar 6, 2020
Mar 6, 2020
Intention to grant (signatures)
Search/Exam
Mar 6, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 6, 2020
Feb 6, 2020
Examination started
Search/Exam
Oct 28, 2019
Oct 15, 2019
(Electronic) Receipt
Search/Exam
Oct 15, 2019
Enquiry as to the processing of the file
Search/Exam
Oct 15, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 27, 2018
Aug 10, 2018
Annexes in respect of a client data request
Search/Exam
Aug 3, 2018
Feb 15, 2018
Feb 15, 2018
Amended claims with annotations
Search/Exam
Feb 15, 2018
Amendments received before examination
Search/Exam
Feb 15, 2018
Matter concerning the application
Search/Exam
Aug 21, 2017
Jul 19, 2017
Notification of forthcoming publication
Search/Exam
Jun 21, 2017
Refund of fees
Search/Exam
May 29, 2017
May 29, 2017
European search opinion
Search/Exam
May 29, 2017
European search report
Search/Exam
May 29, 2017
Information on Search Strategy
Search/Exam
May 23, 2017
Communication to designated inventor
Search/Exam
May 23, 2017
Communication to designated inventor
Search/Exam
May 23, 2017
Communication to designated inventor
Search/Exam
May 23, 2017
Communication to designated inventor
Search/Exam
May 3, 2017
Search started
Search/Exam
Apr 7, 2017
Priority search results copy provided by EPO
Search/Exam
Mar 30, 2017
Payment of fees and costs
Search/Exam
Mar 17, 2017
Abstract
Search/Exam
Mar 17, 2017
Claims
Search/Exam
Mar 17, 2017
Description
Search/Exam
Mar 17, 2017
Designation of inventor
Search/Exam
Mar 17, 2017
Drawings
Search/Exam
Mar 17, 2017
Matter concerning the application
Search/Exam
Mar 17, 2017
Request for grant of a European patent
Search/Exam
Jun 20, 2014
Priority search results copy provided by EPO
Search/Exam
Dec 23, 2009