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The patent EP3624524 was granted to Guangdong Oppo Mobile Telecommunications on Apr 24, 2024. The application was filed on Aug 10, 2017 under application number EP17920978A. 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 |
|---|---|---|---|
| NOKIA SOLUTIONS AND NETWORKS | Feb 11, 2022 | SAMSON & PARTNER PATENTANWALTE MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN103200683 |
| INTERNATIONAL-SEARCH-REPORT | CN106535333 |
| OPPOSITION | CN103200683 |
| OPPOSITION | CN106535333 |
| OPPOSITION | EP3624524 |
| OPPOSITION | WO2018128427 |
| OPPOSITION | WO2018204886 |
| OPPOSITION | WO2019028773 |
| SEARCH | EP3619879 |
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 28, 2024
Mar 28, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
Mar 18, 2024
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Feb 6, 2024
Feb 6, 2024
Feb 2, 2024
Refund of fees
Appeal
Jan 31, 2024
Jan 31, 2024
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Jan 30, 2024
Jan 25, 2024
(Electronic) Receipt
Appeal
Jan 25, 2024
Jan 25, 2024
Withdrawal of an appeal
Appeal
Jan 15, 2024
Jan 15, 2024
Jan 9, 2024
(Electronic) Receipt
Appeal
Jan 9, 2024
Jan 9, 2024
Notice of appeal
Appeal
Nov 15, 2023
Nov 9, 2023
Nov 9, 2023
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Means of redress
OPPO
Nov 9, 2023
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Description
OPPO
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Authorisation
OPPO
Feb 18, 2022
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Sep 14, 2021
Aug 5, 2021
Decision to grant a European patent
Search/Exam
Jul 6, 2021
(Electronic) Receipt
Search/Exam
Jul 6, 2021
Filing of the translations of the claims
Search/Exam
Jul 6, 2021
French translation of claims
Search/Exam
Jul 6, 2021
German translation of the claims
Search/Exam
Jul 6, 2021
Letter accompanying subsequently filed items
Search/Exam
May 3, 2021
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Intention to grant (signatures)
Search/Exam
May 3, 2021
Text intended for grant (clean copy)
Search/Exam
May 3, 2021
Mar 15, 2021
Examination started
Search/Exam
Jan 11, 2021
(Electronic) Receipt
Search/Exam
Jan 11, 2021
Jan 11, 2021
Amended claims with annotations
Search/Exam
Jan 11, 2021
Jan 11, 2021
Amended description with annotations
Search/Exam
Jan 11, 2021
Amendments received before examination
Search/Exam
Jan 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 11, 2021
Maintenance of the application
Search/Exam
Jul 7, 2020
Jun 18, 2020
Jun 18, 2020
European search opinion
Search/Exam
Jun 18, 2020
Information on Search Strategy
Search/Exam
Jun 18, 2020
Supplementary European search report
Search/Exam
Jun 9, 2020
Search started
Search/Exam
Feb 25, 2020
Feb 19, 2020
Notification of forthcoming publication
Search/Exam
Feb 12, 2020
Jan 9, 2020
Jan 2, 2020
Dec 20, 2019
Communication to designated inventor
Search/Exam
Dec 20, 2019
Dec 19, 2019
Enquiry with the International Bureau
Search/Exam
Dec 12, 2019
(Electronic) Receipt
Search/Exam
Dec 12, 2019
Abstract
Search/Exam
Dec 12, 2019
Dec 12, 2019
Amended claims with annotations
Search/Exam
Dec 12, 2019
Claims
Search/Exam
Dec 12, 2019
Description
Search/Exam
Dec 12, 2019
Drawings
Search/Exam
Dec 12, 2019
Matter concerning the application
Search/Exam
Dec 12, 2019
Request for entry into the European phase
Search/Exam
Nov 7, 2019
Oct 29, 2019
Request for correction
Search/Exam
Feb 14, 2019
Feb 14, 2019
Copy of the international search report
Search/Exam
Feb 14, 2019
Feb 14, 2019
International publication pamphlet
Search/Exam