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The patent EP3651442 was granted to Nokia on Jan 24, 2024. The application was filed on Dec 15, 2003 under application number EP19218270A. 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 |
|---|---|---|---|
| GUANGDONG OPPO MOBILE TELECOMMUNICATIONS | Dec 30, 2021 | HOFFMANN EITLE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0733983 |
| OPPOSITION | GB2321376 |
| OPPOSITION | JP2001067057 |
| OPPOSITION | JP2002055929 |
| OPPOSITION | JP2002162957 |
| OPPOSITION | US2002196294 |
| OPPOSITION | US2004121823 |
| OPPOSITION | US5740549 |
| OPPOSITION | US5850220 |
| OPPOSITION | US6353449 |
| OPPOSITION | US6363419 |
| SEARCH | DE10065211 |
| SEARCH | EP0733983 |
| SEARCH | US5886689 |
| SEARCH | WO02052815 |
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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Jan 5, 2024
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Refund of fees
Appeal
Sep 7, 2023
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(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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OPPO
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Decision to grant a European patent
Search/Exam
Mar 2, 2021
(Electronic) Receipt
Search/Exam
Mar 2, 2021
Filing of the translations of the claims
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Mar 2, 2021
French translation of claims
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German translation of the claims
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Mar 2, 2021
Letter accompanying subsequently filed items
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Jan 15, 2021
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Intention to grant (signatures)
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Jan 15, 2021
Text intended for grant (clean copy)
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Jan 15, 2021
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Examination started
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(Electronic) Receipt
Search/Exam
Apr 23, 2020
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Amended claims with annotations
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Apr 23, 2020
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Amended description with annotations
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Apr 23, 2020
Amendments received before examination
Search/Exam
Apr 23, 2020
Letter accompanying subsequently filed items
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Apr 16, 2020
Notification of forthcoming publication
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Mar 2, 2020
Refund of fees
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Feb 25, 2020
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European search opinion
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Feb 25, 2020
European search report
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Feb 25, 2020
Information on Search Strategy
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Feb 11, 2020
Communication to designated inventor
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Communication to designated inventor
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Jan 31, 2020
Search started
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Jan 29, 2020
Refund of fees
Search/Exam
Jan 29, 2020
Refund of fees
Search/Exam
Jan 28, 2020
Dec 30, 2019
Annex
Search/Exam
Dec 19, 2019
Abstract
Search/Exam
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Annex
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Dec 19, 2019
Claims
Search/Exam
Dec 19, 2019
Description
Search/Exam
Dec 19, 2019
Designation of inventor
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Dec 19, 2019
Drawings
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Dec 19, 2019
Matter concerning the application
Search/Exam
Dec 19, 2019
Request for grant of a European patent
Search/Exam