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The patent EP3694106 was granted to Semtech on Feb 22, 2023. The application was filed on Mar 2, 2015 under application number EP20167662A. 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 |
|---|---|---|---|
| SHANGHAI AWINIC MICROELECTRONIC TECHNOLOGY | Nov 22, 2023 | BRAUN DULLAEUS PANNEN EMMERLING PATENT & RECHTSANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP2413224 |
| EXAMINATION | US2010060590 |
| EXAMINATION | US2014066124 |
| OPPOSITION | EP2413224 |
| OPPOSITION | US2009015268 |
| OPPOSITION | US2010060590 |
| OPPOSITION | US2011073384 |
| OPPOSITION | US2012037485 |
| OPPOSITION | US2014066124 |
| SEARCH | US2011073384 |
| SEARCH | US2012037485 |
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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Jan 7, 2026
(Electronic) Receipt
Appeal
Jan 7, 2026
Notice of appeal
Appeal
Nov 7, 2025
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Means of redress
OPPO
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Decision to grant a European patent
Search/Exam
Jan 9, 2023
(Electronic) Receipt
Search/Exam
Jan 9, 2023
Filing of the translations of the claims
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Jan 9, 2023
French translation of claims
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Jan 9, 2023
German translation of the claims
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Intention to grant (signatures)
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Nov 11, 2022
Text intended for grant (clean copy)
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(Electronic) Receipt
Search/Exam
Sep 28, 2022
Amended claims with annotations
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Sep 28, 2022
Amended claims with annotations
Search/Exam
Sep 28, 2022
Amended claims with annotations
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Sep 28, 2022
Claims
Search/Exam
Sep 28, 2022
Claims
Search/Exam
Sep 28, 2022
Claims
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Sep 28, 2022
Letter accompanying subsequently filed items
Search/Exam
Sep 28, 2022
Letter dealing with oral proceedings
Search/Exam
Sep 28, 2022
Matter concerning the application
Search/Exam
Feb 22, 2022
Annex to the communication
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Feb 22, 2022
Summons to attend oral proceedings
Search/Exam
Dec 7, 2021
(Electronic) Receipt
Search/Exam
Dec 7, 2021
Amended claims with annotations
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Dec 7, 2021
Claims
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Dec 7, 2021
Letter accompanying subsequently filed items
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Dec 7, 2021
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Annex to the communication
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Jul 28, 2021
Communication from the Examining Division
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Jul 13, 2021
Examination started
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May 25, 2021
(Electronic) Receipt
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May 25, 2021
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Amended claims with annotations
Search/Exam
May 25, 2021
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Amendments received before examination
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May 25, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 30, 2020
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European search opinion
Search/Exam
Oct 26, 2020
European search report
Search/Exam
Oct 26, 2020
Information on Search Strategy
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Aug 12, 2020
(Electronic) Receipt
Search/Exam
Aug 12, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 12, 2020
Letter concerning search matters
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Jul 15, 2020
Notification of forthcoming publication
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Jun 23, 2020
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Information on Search Strategy
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Jun 23, 2020
Partial European search report
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Jun 23, 2020
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Modified abstract
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Jun 10, 2020
Search started
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May 29, 2020
Communication to designated inventor
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Communication to designated inventor
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Apr 2, 2020
Abstract
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Claims
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Apr 2, 2020
Description
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Apr 2, 2020
Designation of inventor
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Apr 2, 2020
Drawings
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Apr 2, 2020
Request for grant of a European patent
Search/Exam
May 4, 2015