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The patent EP3598819 was granted to Guangdong Oppo Mobile Telecommunications on Aug 18, 2021. The application was filed on Apr 20, 2017 under application number EP17906261A. 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 |
|---|---|---|---|
| NOKIA SOLUTIONS AND NETWORKS | Apr 12, 2022 | SAMSON & PARTNER PATENTANWALTE MBB | WITHDRAWN |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 |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN102378271 |
| INTERNATIONAL-SEARCH-REPORT | CN104995980 |
| INTERNATIONAL-SEARCH-REPORT | CN105634710 |
| INTERNATIONAL-SEARCH-REPORT | CN106255213 |
| INTERNATIONAL-SEARCH-REPORT | CN106256095 |
| OPPOSITION | CN105634710 |
| OPPOSITION | EP2765730 |
| OPPOSITION | EP3448108 |
| OPPOSITION | US2019037483 |
| OPPOSITION | WO2016144903 |
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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Feb 7, 2024
Refund of fees
Appeal
Feb 5, 2024
Jan 31, 2024
(Electronic) Receipt
Appeal
Jan 31, 2024
Jan 31, 2024
Jan 31, 2024
Jan 31, 2024
Jan 31, 2024
Withdrawal of an appeal
Appeal
Jan 25, 2024
(Electronic) Receipt
Appeal
Jan 25, 2024
Jan 25, 2024
Nov 30, 2023
Nov 27, 2023
(Electronic) Receipt
Appeal
Nov 27, 2023
Nov 27, 2023
Sep 21, 2023
Sep 21, 2023
Sep 15, 2023
(Electronic) Receipt
Appeal
Sep 15, 2023
Sep 15, 2023
Notice of appeal
Appeal
Jul 19, 2023
Jul 17, 2023
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Means of redress
OPPO
Jul 17, 2023
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Authorisation
OPPO
Apr 22, 2022
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Aug 31, 2021
Jul 22, 2021
Decision to grant a European patent
Search/Exam
Jul 8, 2021
(Electronic) Receipt
Search/Exam
Jul 8, 2021
Filing of the translations of the claims
Search/Exam
Jul 8, 2021
French translation of claims
Search/Exam
Jul 8, 2021
German translation of the claims
Search/Exam
Jul 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 20, 2021
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Intention to grant (signatures)
Search/Exam
Apr 20, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 20, 2021
Jan 20, 2021
(Electronic) Receipt
Search/Exam
Jan 20, 2021
Amended claims with annotations
Search/Exam
Jan 20, 2021
Amended description with annotations
Search/Exam
Jan 20, 2021
Claims
Search/Exam
Jan 20, 2021
Description
Search/Exam
Jan 20, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 20, 2021
Oct 15, 2020
Annex to the communication
Search/Exam
Oct 15, 2020
Communication from the Examining Division
Search/Exam
Oct 7, 2020
Examination started
Search/Exam
Aug 26, 2020
(Electronic) Receipt
Search/Exam
Aug 26, 2020
Aug 26, 2020
Amended claims with annotations
Search/Exam
Aug 26, 2020
Aug 26, 2020
Amended description with annotations
Search/Exam
Aug 26, 2020
Aug 26, 2020
Amendments received before examination
Search/Exam
Aug 26, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 26, 2020
Maintenance of the application
Search/Exam
Mar 17, 2020
Feb 27, 2020
Feb 27, 2020
European search opinion
Search/Exam
Feb 27, 2020
Information on Search Strategy
Search/Exam
Feb 27, 2020
Supplementary European search report
Search/Exam
Feb 19, 2020
Search started
Search/Exam
Jan 7, 2020
Notification of forthcoming publication
Search/Exam
Nov 7, 2019
Nov 7, 2019
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Oct 29, 2019
Change to the inventor details
Search/Exam
Oct 29, 2019
Communication to designated inventor
Search/Exam
Oct 29, 2019
Oct 29, 2019
Request for correction
Search/Exam
Oct 18, 2019
(Electronic) Receipt
Search/Exam
Oct 18, 2019
Abstract
Search/Exam
Oct 18, 2019
Oct 18, 2019
Amended claims with annotations
Search/Exam
Oct 18, 2019
Oct 18, 2019
Amended description with annotations
Search/Exam
Oct 18, 2019
Annex
Search/Exam
Oct 18, 2019
Annex
Search/Exam
Oct 18, 2019
Claims
Search/Exam
Oct 18, 2019
Description
Search/Exam
Oct 18, 2019
Drawings
Search/Exam
Oct 18, 2019
Letter concerning the inventor
Search/Exam
Oct 18, 2019
Matter concerning the application
Search/Exam
Oct 18, 2019
Request for entry into the European phase
Search/Exam
Aug 30, 2019
Information on entry into European phase
Search/Exam
Oct 25, 2018
Copy of the international search report
Search/Exam
Oct 25, 2018
Oct 25, 2018
International publication pamphlet
Search/Exam