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The patent EP3451750 was granted to Interdigital Patent on Apr 21, 2021. The application was filed on May 30, 2013 under application number EP18200893A. The patent is currently recorded with a legal status of "Revoked".

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 | EP2866366 |
| OPPOSITION | US2011275382 |
| SEARCH | EP2866366 |
| SEARCH | US2009325625 |
| SEARCH | US2011243010 |
| SEARCH | US2011275382 |
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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Decision to grant a European patent
Search/Exam
Mar 10, 2021
(Electronic) Receipt
Search/Exam
Mar 10, 2021
Filing of the translations of the claims
Search/Exam
Mar 10, 2021
French translation of claims
Search/Exam
Mar 10, 2021
German translation of the claims
Search/Exam
Nov 9, 2020
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Intention to grant (signatures)
Search/Exam
Nov 9, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 9, 2020
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(Electronic) Receipt
Search/Exam
Oct 20, 2020
Amended claims with annotations
Search/Exam
Oct 20, 2020
Claims
Search/Exam
Oct 20, 2020
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Jun 23, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 23, 2020
May 28, 2020
Examination started
Search/Exam
Sep 6, 2019
(Electronic) Receipt
Search/Exam
Sep 6, 2019
Sep 6, 2019
Amended claims with annotations
Search/Exam
Sep 6, 2019
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Amendments received before examination
Search/Exam
Sep 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 11, 2019
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Letter which had not been notified
Search/Exam
Feb 11, 2019
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Feb 8, 2019
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Notification of forthcoming publication
Search/Exam
Jan 31, 2019
(Electronic) Receipt
Search/Exam
Jan 31, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2019
Letter concerning the inventor
Search/Exam
Jan 22, 2019
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Letter which had not been notified
Search/Exam
Jan 7, 2019
Letter which had not been notified
Search/Exam
Dec 10, 2018
Communication to designated inventor
Search/Exam
Dec 10, 2018
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Dec 10, 2018
Communication to designated inventor
Search/Exam
Dec 10, 2018
Communication to designated inventor
Search/Exam
Nov 19, 2018
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European search opinion
Search/Exam
Nov 19, 2018
European search report
Search/Exam
Nov 19, 2018
Information on Search Strategy
Search/Exam
Nov 7, 2018
Search started
Search/Exam
Oct 17, 2018
Abstract
Search/Exam
Oct 17, 2018
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Claims
Search/Exam
Oct 17, 2018
Description
Search/Exam
Oct 17, 2018
Designation of inventor
Search/Exam
Oct 17, 2018
Drawings
Search/Exam
Oct 17, 2018
Matter concerning the application
Search/Exam
Oct 17, 2018
Request for grant of a European patent
Search/Exam
Jan 2, 2014
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