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The patent EP2827520 was granted to Beijing Xiaomi Mobile Software on Aug 17, 2022. The application was filed on Jun 19, 2008 under application number EP14184565A. 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 |
|---|---|---|---|
| HUAWEI DUESSELDORF | Jun 26, 2019 | KORBER | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP1748593 |
| OPPOSITION | EP1914948 |
| OPPOSITION | EP1931096 |
| OPPOSITION | EP2019559 |
| OPPOSITION | EP2827520 |
| OPPOSITION | WO2007037412 |
| OPPOSITION | WO2007043105 |
| OPPOSITION | WO2008115649 |
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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Jul 21, 2022
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Means of redress
OPPO
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Nov 28, 2019
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Nov 14, 2019
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Nov 8, 2019
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Authorisation
OPPO
Nov 8, 2019
Nov 7, 2019
Nov 7, 2019
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Nov 5, 2019
Oct 28, 2019
Authorisation
OPPO
Oct 28, 2019
Jul 16, 2019
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Dec 20, 2018
Dec 20, 2018
Letter concerning publication issues
Search/Exam
Dec 14, 2018
(Electronic) Receipt
Search/Exam
Dec 14, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 14, 2018
Request for correction of the publication
Search/Exam
Oct 8, 2018
Aug 30, 2018
Decision to grant a European patent
Search/Exam
Aug 21, 2018
Decision to allow further processing
Search/Exam
Aug 13, 2018
(Electronic) Receipt
Search/Exam
Aug 13, 2018
French translation of claims
Search/Exam
Aug 13, 2018
German translation of the claims
Search/Exam
Aug 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 13, 2018
Request for further processing
Search/Exam
Aug 9, 2018
Aug 9, 2018
Aug 3, 2018
Jun 4, 2018
Jun 1, 2018
May 23, 2018
May 23, 2018
May 23, 2018
Mar 16, 2018
(Electronic) Receipt
Search/Exam
Mar 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 16, 2018
Mar 16, 2018
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Intention to grant (signatures)
Search/Exam
Dec 20, 2017
Text intended for grant (clean copy)
Search/Exam
Dec 20, 2017
Aug 21, 2017
Aug 10, 2017
Aug 1, 2017
(Electronic) Receipt
Search/Exam
Aug 1, 2017
Amended claims with annotations
Search/Exam
Aug 1, 2017
Amended description with annotations
Search/Exam
Aug 1, 2017
Claims
Search/Exam
Aug 1, 2017
Description
Search/Exam
Aug 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 1, 2017
Jun 9, 2017
Jun 5, 2017
(Electronic) Receipt
Search/Exam
Jun 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 5, 2017
Feb 2, 2017
Annex to the communication
Search/Exam
Feb 2, 2017
Communication from the Examining Division
Search/Exam
Dec 27, 2016
(Electronic) Receipt
Search/Exam
Dec 27, 2016
Amended description with annotations
Search/Exam
Dec 27, 2016
Description
Search/Exam
Dec 27, 2016
Letter accompanying subsequently filed items
Search/Exam
Dec 27, 2016
Oct 17, 2016
Oct 12, 2016
(Electronic) Receipt
Search/Exam
Oct 12, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2016
Jul 14, 2016
Annex to the communication
Search/Exam
Jul 14, 2016
Communication from the Examining Division
Search/Exam
Mar 2, 2016
(Electronic) Receipt
Search/Exam
Mar 2, 2016
Mar 2, 2016
Amended claims with annotations
Search/Exam
Mar 2, 2016
Mar 2, 2016
Amendments received before examination
Search/Exam
Mar 2, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 6, 2015
Sep 7, 2015
Aug 28, 2015
Jul 31, 2015
Jul 31, 2015
European search opinion
Search/Exam
Jul 31, 2015
European search report
Search/Exam
Apr 14, 2015
Apr 14, 2015
Partial European search report
Search/Exam
Mar 31, 2015
Search started
Search/Exam
Feb 16, 2015
Feb 16, 2015
Feb 16, 2015
Feb 16, 2015
Feb 16, 2015
Jan 5, 2015
Notification of forthcoming publication
Search/Exam
Nov 5, 2014
Communication to designated inventor
Search/Exam
Nov 5, 2014
Communication to designated inventor
Search/Exam
Nov 5, 2014
Communication to designated inventor
Search/Exam
Sep 12, 2014
Abstract
Search/Exam
Sep 12, 2014
Sep 12, 2014
Claims
Search/Exam
Sep 12, 2014
Description
Search/Exam
Sep 12, 2014
Designation of inventor
Search/Exam
Sep 12, 2014
Designation of inventor
Search/Exam
Sep 12, 2014
Designation of inventor
Search/Exam
Sep 12, 2014
Drawings
Search/Exam
Sep 12, 2014
Previously filed application
Search/Exam
Sep 12, 2014
Request for grant of a European patent
Search/Exam
Jan 14, 2009