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The patent EP3496334 was granted to Interdigital Patent on Nov 8, 2023. The application was filed on Apr 26, 2013 under application number EP18215013A. 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 |
|---|---|---|---|
| WISDOM FULCRUM BEIJING TECHNOLOGY | Jul 21, 2021 | NEDERLANDSCH OCTROOIBUREAU | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN101272621 |
| OPPOSITION | CN104066200 |
| OPPOSITION | CN1527621 |
| OPPOSITION | US2011098043 |
| OPPOSITION | WO2010004295 |
| OPPOSITION | WO2014148859 |
| SEARCH | US2010167743 |
| SEARCH | US2011314287 |
| SEARCH | WO2010127696 |
| SEARCH | WO2011109941 |
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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Refund of fees
Appeal
Jun 19, 2023
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(Electronic) Receipt
Appeal
Jun 13, 2023
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Withdrawal of an appeal
Appeal
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Apr 12, 2023
(Electronic) Receipt
Appeal
Apr 12, 2023
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Notice of appeal
Appeal
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Feb 8, 2021
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Decision to grant a European patent
Search/Exam
Dec 16, 2020
(Electronic) Receipt
Search/Exam
Dec 16, 2020
Filing of the translations of the claims
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Dec 16, 2020
French translation of claims
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German translation of the claims
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Sep 1, 2020
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Intention to grant (signatures)
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Sep 1, 2020
Text intended for grant (clean copy)
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Jul 20, 2020
Examination started
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Feb 25, 2020
(Electronic) Receipt
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Feb 25, 2020
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Amended claims with annotations
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Amendments received before examination
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Feb 25, 2020
Letter accompanying subsequently filed items
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Sep 2, 2019
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European search opinion
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Jul 30, 2019
European search report
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Jul 30, 2019
Information on Search Strategy
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Jun 17, 2019
(Electronic) Receipt
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Jun 17, 2019
Amended claims with annotations
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Jun 17, 2019
Claims
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Jun 17, 2019
Letter accompanying subsequently filed items
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Jun 17, 2019
May 15, 2019
Notification of forthcoming publication
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May 9, 2019
Modified abstract
Search/Exam
Apr 17, 2019
Annex to the communication
Search/Exam
Apr 17, 2019
Apr 11, 2019
Search started
Search/Exam
Mar 13, 2019
Mar 7, 2019
Letter which had not been notified
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Feb 13, 2019
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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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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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 21, 2018
Abstract
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Claims
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Dec 21, 2018
Description
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Dec 21, 2018
Designation of inventor
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Dec 21, 2018
Drawings
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Dec 21, 2018
Request for grant of a European patent
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