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The patent EP3448035 was granted to Electronics And Telecommunications Research Institute on Jan 13, 2021. The application was filed on Apr 11, 2011 under application number EP18194204A. 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 |
|---|---|---|---|
| UNIFIED PATENTS | Jun 9, 2021 | HGF | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP1845732 |
| OPPOSITION | EP2262267 |
| OPPOSITION | EP2600613 |
| OPPOSITION | EP2600614 |
| OPPOSITION | EP3125561 |
| OPPOSITION | KR20110026079 |
| OPPOSITION | US2004136458 |
| OPPOSITION | US2005025236 |
| OPPOSITION | US2008089417 |
| OPPOSITION | US2009252221 |
| OPPOSITION | US2011038415 |
| OPPOSITION | US2011170609 |
| OPPOSITION | US2016044337 |
| SEARCH | EP1845732 |
| SEARCH | EP2600613 |
| SEARCH | EP2600614 |
| SEARCH | US2004136458 |
| SEARCH | US2009252221 |
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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May 13, 2025
Refund of fees
Search/Exam
May 9, 2025
May 9, 2025
May 5, 2025
May 5, 2025
May 2, 2025
(Electronic) Receipt
Appeal
May 2, 2025
May 2, 2025
May 2, 2025
Withdrawal of an appeal
Appeal
Jan 16, 2025
Jan 16, 2025
Jul 18, 2024
Jul 18, 2024
Jul 15, 2024
Jul 5, 2024
Jun 18, 2024
Jun 18, 2024
Mar 15, 2024
Mar 12, 2024
(Electronic) Receipt
Appeal
Mar 12, 2024
Mar 12, 2024
Reply to appeal
Appeal
Nov 14, 2023
Nov 7, 2023
(Electronic) Receipt
Appeal
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Sep 12, 2023
Sep 12, 2023
Sep 1, 2023
(Electronic) Receipt
Appeal
Sep 1, 2023
Sep 1, 2023
Notice of appeal
Appeal
Aug 14, 2023
Jul 12, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
Means of redress
OPPO
Jul 10, 2023
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Nov 10, 2021
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Jan 25, 2021
Dec 17, 2020
Decision to grant a European patent
Search/Exam
Dec 7, 2020
(Electronic) Receipt
Search/Exam
Dec 7, 2020
Filing of the translations of the claims
Search/Exam
Dec 7, 2020
French translation of claims
Search/Exam
Dec 7, 2020
German translation of the claims
Search/Exam
Dec 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 6, 2020
Oct 6, 2020
Oct 6, 2020
Intention to grant (signatures)
Search/Exam
Oct 6, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 6, 2020
Sep 18, 2020
Annex to a communication
Search/Exam
Sep 18, 2020
Annex to the communication
Search/Exam
Sep 18, 2020
Consultation by telephone/in person
Search/Exam
Sep 18, 2020
Sep 3, 2020
(Electronic) Receipt
Search/Exam
Sep 3, 2020
Claims
Search/Exam
Sep 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 3, 2020
Apr 28, 2020
Annex to the communication
Search/Exam
Apr 28, 2020
Communication from the Examining Division
Search/Exam
Apr 16, 2020
Examination started
Search/Exam
Mar 30, 2020
Document concerning representation
Search/Exam
Mar 10, 2020
Document concerning representation
Search/Exam
Aug 19, 2019
(Electronic) Receipt
Search/Exam
Aug 19, 2019
Aug 19, 2019
Amended claims with annotations
Search/Exam
Aug 19, 2019
Amendments received before examination
Search/Exam
Aug 19, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 2, 2019
Communication to designated inventor
Search/Exam
Jul 25, 2019
Letter concerning the inventor
Search/Exam
May 6, 2019
Communication to designated inventor
Search/Exam
May 6, 2019
Communication to designated inventor
Search/Exam
May 3, 2019
Apr 26, 2019
Letter concerning the inventor
Search/Exam
Apr 25, 2019
Letter which had not been notified
Search/Exam
Apr 2, 2019
Mar 28, 2019
Letter which had not been notified
Search/Exam
Mar 26, 2019
Mar 25, 2019
Letter which had not been notified
Search/Exam
Mar 19, 2019
Mar 18, 2019
Letter which had not been notified
Search/Exam
Mar 14, 2019
Mar 5, 2019
Mar 4, 2019
Feb 12, 2019
Feb 7, 2019
Jan 30, 2019
Notification of forthcoming publication
Search/Exam
Jan 30, 2019
Refund of fees
Search/Exam
Jan 24, 2019
Jan 24, 2019
European search opinion
Search/Exam
Jan 24, 2019
European search report
Search/Exam
Jan 24, 2019
Information on Search Strategy
Search/Exam
Jan 23, 2019
Jan 16, 2019
Letter which had not been notified
Search/Exam
Dec 7, 2018
Communication to designated inventor
Search/Exam
Dec 7, 2018
Communication to designated inventor
Search/Exam
Dec 7, 2018
Communication to designated inventor
Search/Exam
Dec 7, 2018
Communication to designated inventor
Search/Exam
Dec 7, 2018
Communication to designated inventor
Search/Exam
Dec 7, 2018
Communication to designated inventor
Search/Exam
Dec 7, 2018
Communication to designated inventor
Search/Exam
Dec 7, 2018
Communication to designated inventor
Search/Exam
Dec 7, 2018
Communication to designated inventor
Search/Exam
Dec 7, 2018
Communication to designated inventor
Search/Exam
Sep 13, 2018
Abstract
Search/Exam
Sep 13, 2018
Sep 13, 2018
Claims
Search/Exam
Sep 13, 2018
Description
Appeal
Sep 13, 2018
Description
Search/Exam
Sep 13, 2018
Designation of inventor
Search/Exam
Sep 13, 2018
Drawings
Search/Exam
Sep 13, 2018
Request for grant of a European patent
Search/Exam
Nov 24, 2016
Translation of priority document
Search/Exam
Nov 1, 2011
Nov 1, 2011
Nov 1, 2011