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The patent EP3327979 was granted to Guangdong Oppo Mobile Telecommunications on Jan 8, 2020. The application was filed on Jun 15, 2010 under application number EP17207870A. 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 |
|---|---|---|---|
| G LICENSING | Sep 4, 2020 | METROCONSULT | WITHDRAWN |
| HUAWEI | Sep 4, 2020 | KORBER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2194751 |
| OPPOSITION | US2010232388 |
| OPPOSITION | WO2008157692 |
| OPPOSITION | WO2009057286 |
| OPPOSITION | WO2010127300 |
| OPPOSITION | WO2010129400 |
| SEARCH | EP2194751 |
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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Authorisation
OPPO
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Decision to grant a European patent
Search/Exam
Oct 29, 2019
(Electronic) Receipt
Search/Exam
Oct 29, 2019
French translation of claims
Search/Exam
Oct 29, 2019
German translation of the claims
Search/Exam
Oct 29, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 29, 2019
Request for correction
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Jul 1, 2019
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Intention to grant (signatures)
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Jul 1, 2019
Text intended for grant (clean copy)
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Jul 1, 2019
Jun 21, 2019
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
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Amended description with annotations
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Nov 20, 2018
Amendments received before examination
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Nov 20, 2018
Letter accompanying subsequently filed items
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Jul 18, 2018
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Submission concerning representation
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Jul 9, 2018
Letter which had not been notified
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Letter which had not been notified
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Jun 5, 2018
May 3, 2018
Notification of forthcoming publication
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May 3, 2018
Refund of fees
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Apr 30, 2018
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European search opinion
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Apr 23, 2018
European search report
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Apr 23, 2018
Information on Search Strategy
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Apr 19, 2018
Letter which had not been notified
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Feb 7, 2018
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Dec 15, 2017
Abstract
Search/Exam
Dec 15, 2017
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Claims
Search/Exam
Dec 15, 2017
Description
Search/Exam
Dec 15, 2017
Designation of inventor
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Dec 15, 2017
Drawings
Search/Exam
Dec 15, 2017
Letter concerning search matters
Search/Exam
Dec 15, 2017
Matter concerning the application
Search/Exam
Dec 15, 2017
Previously filed application
Search/Exam
Dec 15, 2017
Request for grant of a European patent
Search/Exam
Jan 18, 2011
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