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The patent EP3672346 was granted to Guangdong Oppo Mobile Telecommunications on Apr 24, 2024. The application was filed on Sep 5, 2017 under application number EP17924573A. 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 | Mar 22, 2022 | SAMSON & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN102223219 |
| OPPOSITION | CN102263617 |
| OPPOSITION | CN103563284 |
| OPPOSITION | CN103944701 |
| OPPOSITION | EP2709299 |
| OPPOSITION | US2013242815 |
| OPPOSITION | US2016204926 |
| OPPOSITION | US2018255568 |
| OPPOSITION | WO2012142123 |
| OPPOSITION | WO2017038532 |
| OPPOSITION | WO2019047019 |
| SEARCH | EP2709299 |
| SEARCH | WO2017038532 |
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.
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Description
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Mar 28, 2024
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Refund of fees
Appeal
Feb 1, 2024
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(Electronic) Receipt
Appeal
Jan 25, 2024
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Withdrawal of an appeal
Appeal
Dec 1, 2023
Nov 28, 2023
(Electronic) Receipt
Appeal
Nov 28, 2023
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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OPPO
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Oct 12, 2021
Sep 2, 2021
Decision to grant a European patent
Search/Exam
Aug 2, 2021
(Electronic) Receipt
Search/Exam
Aug 2, 2021
Filing of the translations of the claims
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Aug 2, 2021
French translation of claims
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Aug 2, 2021
German translation of the claims
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Aug 2, 2021
Letter accompanying subsequently filed items
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May 31, 2021
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Intention to grant (signatures)
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May 31, 2021
Text intended for grant (clean copy)
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May 31, 2021
Mar 24, 2021
(Electronic) Receipt
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Mar 24, 2021
Amended claims with annotations
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Mar 24, 2021
Claims
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Mar 24, 2021
Letter accompanying subsequently filed items
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Mar 24, 2021
Nov 19, 2020
Annex to the communication
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Nov 19, 2020
Communication from the Examining Division
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Nov 16, 2020
Examination started
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Sep 30, 2020
(Electronic) Receipt
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Sep 30, 2020
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Amended claims with annotations
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Sep 30, 2020
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Amended description with annotations
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Sep 30, 2020
Amendments received before examination
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Sep 30, 2020
Letter accompanying subsequently filed items
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Sep 30, 2020
Maintenance of the application
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Jul 24, 2020
Jul 7, 2020
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European search opinion
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Jul 7, 2020
Information on Search Strategy
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Jul 7, 2020
Supplementary European search report
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Jun 23, 2020
Search started
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May 27, 2020
Notification of forthcoming publication
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Mar 31, 2020
Communication to designated inventor
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Mar 31, 2020
Mar 26, 2020
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Mar 17, 2020
(Electronic) Receipt
Search/Exam
Mar 17, 2020
Abstract
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Mar 17, 2020
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Amended claims with annotations
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Mar 17, 2020
Claims
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Mar 17, 2020
Description
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Mar 17, 2020
Drawings
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Mar 17, 2020
Matter concerning the application
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Mar 17, 2020
Request for entry into the European phase
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Jan 17, 2020
Information on entry into European phase
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Nov 7, 2019
Oct 29, 2019
Request for correction
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Mar 14, 2019
Copy of the international search report
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Mar 14, 2019
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International publication pamphlet
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