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The patent EP3697146 was granted to Guangdong Oppo Mobile Telecommunications on Apr 27, 2022. The application was filed on Oct 11, 2017 under application number EP17928710A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| NOKIA SOLUTIONS AND NETWORKS | Oct 21, 2022 | SAMSON & PARTNER PATENTANWALTE MBB | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | US2017064685 |
| OPPOSITION | WO2019023241 |
| SEARCH | WO2019023241 |
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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Dec 10, 2025
Refund of fees
Appeal
Dec 5, 2025
Dec 5, 2025
Dec 5, 2025
Nov 10, 2025
(Electronic) Receipt
Appeal
Nov 10, 2025
(Electronic) Receipt
Appeal
Nov 10, 2025
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Oct 30, 2025
(Electronic) Receipt
Appeal
Oct 30, 2025
Oct 30, 2025
Apr 3, 2025
Apr 3, 2025
Mar 31, 2025
Oct 11, 2024
Jul 4, 2024
(Electronic) Receipt
Appeal
Jul 4, 2024
Jul 4, 2024
Claims
Appeal
Jul 4, 2024
Jul 4, 2024
Apr 30, 2024
(Electronic) Receipt
Appeal
Apr 30, 2024
Apr 30, 2024
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Apr 30, 2024
Notice of appeal
Appeal
Apr 30, 2024
Mar 4, 2024
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Means of redress
OPPO
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Description
OPPO
Dec 13, 2023
Description
OPPO
Dec 13, 2023
Description
OPPO
Dec 13, 2023
Description
OPPO
Dec 13, 2023
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OPPO
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Authorisation
OPPO
Nov 7, 2022
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May 11, 2022
Mar 31, 2022
Decision to grant a European patent
Search/Exam
Mar 21, 2022
(Electronic) Receipt
Search/Exam
Mar 21, 2022
Filing of the translations of the claims
Search/Exam
Mar 21, 2022
French translation of claims
Search/Exam
Mar 21, 2022
German translation of the claims
Search/Exam
Mar 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2022
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Feb 1, 2022
Intention to grant (signatures)
Search/Exam
Feb 1, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 1, 2022
Nov 3, 2021
(Electronic) Receipt
Search/Exam
Nov 3, 2021
Amended claims with annotations
Search/Exam
Nov 3, 2021
Amended description with annotations
Search/Exam
Nov 3, 2021
Claims
Search/Exam
Nov 3, 2021
Description
Search/Exam
Nov 3, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 3, 2021
Aug 12, 2021
Aug 4, 2021
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Jul 30, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 30, 2021
Jul 14, 2021
Annex to the communication
Search/Exam
Jul 14, 2021
Communication from the Examining Division
Search/Exam
Jul 8, 2021
Examination started
Search/Exam
Jun 3, 2021
(Electronic) Receipt
Search/Exam
Jun 3, 2021
Jun 3, 2021
Amended claims with annotations
Search/Exam
Jun 3, 2021
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Amended description with annotations
Search/Exam
Jun 3, 2021
Amendments received before examination
Search/Exam
Jun 3, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 24, 2020
Nov 4, 2020
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European search opinion
Search/Exam
Nov 4, 2020
Information on Search Strategy
Search/Exam
Nov 4, 2020
Supplementary European search report
Search/Exam
Oct 26, 2020
Search started
Search/Exam
Jul 22, 2020
Notification of forthcoming publication
Search/Exam
Jul 3, 2020
(Electronic) Receipt
Search/Exam
Jul 3, 2020
Claims
Search/Exam
Jul 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2020
Matter concerning the application
Search/Exam
Jul 3, 2020
Statement under Art. 19 PCT
Search/Exam
May 20, 2020
May 15, 2020
Communication to designated inventor
Search/Exam
Apr 30, 2020
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Apr 23, 2020
(Electronic) Receipt
Search/Exam
Apr 23, 2020
Abstract
Search/Exam
Apr 23, 2020
Apr 23, 2020
Amended claims with annotations
Search/Exam
Apr 23, 2020
Apr 23, 2020
Claims filed under Art.19 PCT
Search/Exam
Apr 23, 2020
Description
Search/Exam
Apr 23, 2020
Drawings
Search/Exam
Apr 23, 2020
Request for entry into the European phase
Search/Exam
Feb 21, 2020
Information on entry into European phase
Search/Exam
Nov 7, 2019
Oct 29, 2019
Request for correction
Search/Exam
Apr 18, 2019
Copy of the international search report
Search/Exam
Apr 18, 2019
Apr 18, 2019
International publication pamphlet
Search/Exam
Mar 4, 2019