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The patent EP3596483 was granted to ETH Zurich on Apr 20, 2022. The application was filed on Mar 14, 2018 under application number EP18709616A. 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 |
|---|---|---|---|
| QNAMI | Jan 19, 2023 | RENTSCH PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2014051886 |
| INTERNATIONAL-SEARCH-REPORT | WO2014051886 |
| INTERNATIONAL-SEARCH-REPORT | WO2016083140 |
| OPPOSITION | FR3039280 |
| OPPOSITION | US2008135749 |
| OPPOSITION | US2016077167 |
| OPPOSITION | US2016282427 |
| OPPOSITION | US5936237 |
| OPPOSITION | WO2009073736 |
| OPPOSITION | WO2014051886 |
| OPPOSITION | WO2016083140 |
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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Sep 23, 2025
Mar 26, 2025
Mar 18, 2025
Mar 18, 2025
Mar 14, 2025
(Electronic) Receipt
Appeal
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Feb 11, 2025
Feb 6, 2025
(Electronic) Receipt
Appeal
Feb 6, 2025
Feb 6, 2025
Jan 21, 2025
Jan 6, 2025
(Electronic) Receipt
Appeal
Jan 6, 2025
Jan 6, 2025
Jan 6, 2025
Reply to appeal
Appeal
Sep 6, 2024
Sep 2, 2024
(Electronic) Receipt
Appeal
Sep 2, 2024
Sep 2, 2024
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Aug 14, 2024
Refund of fees
Search/Exam
Jul 4, 2024
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Jul 1, 2024
(Electronic) Receipt
Appeal
Jul 1, 2024
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Notice of appeal
Appeal
Jul 1, 2024
Notice of appeal
Appeal
May 2, 2024
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OPPO
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Mar 24, 2022
Decision to grant a European patent
Search/Exam
Feb 16, 2022
Change to the inventor details
Search/Exam
Feb 11, 2022
(Electronic) Receipt
Search/Exam
Feb 11, 2022
Filing of the translations of the claims
Search/Exam
Feb 11, 2022
French translation of claims
Search/Exam
Feb 11, 2022
German translation of the claims
Search/Exam
Feb 11, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 15, 2021
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Intention to grant (signatures)
Search/Exam
Oct 15, 2021
Text intended for grant (clean copy)
Search/Exam
Oct 15, 2021
Sep 6, 2021
Examination started
Search/Exam
Apr 9, 2020
(Electronic) Receipt
Search/Exam
Apr 9, 2020
Apr 9, 2020
Amended claims with annotations
Search/Exam
Apr 9, 2020
Amendments received before examination
Search/Exam
Apr 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 7, 2020
Dec 4, 2019
Communication to designated inventor
Search/Exam
Nov 28, 2019
(Electronic) Receipt
Search/Exam
Nov 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 28, 2019
Letter concerning the inventor
Search/Exam
Nov 15, 2019
Nov 11, 2019
Letter which had not been notified
Search/Exam
Oct 23, 2019
Oct 21, 2019
Communication to designated inventor
Search/Exam
Oct 21, 2019
Communication to designated inventor
Search/Exam
Oct 21, 2019
Communication to designated inventor
Search/Exam
Oct 21, 2019
Communication to designated inventor
Search/Exam
Oct 16, 2019
Priority search results copy provided by EPO
Search/Exam
Oct 2, 2019
Aug 30, 2019
(Electronic) Receipt
Search/Exam
Aug 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 30, 2019
Matter concerning the application
Search/Exam
Aug 29, 2019
(Electronic) Receipt
Search/Exam
Aug 29, 2019
Request for entry into the European phase
Search/Exam
Jul 24, 2019
Information on entry into European phase
Search/Exam
Oct 9, 2018
Sep 20, 2018
Copy of the international search report
Search/Exam
Sep 20, 2018
Published international application - A1
Search/Exam
May 17, 2018
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Mar 22, 2018
Mar 14, 2018
(Electronic) Receipt
PCTRO
Mar 14, 2018
Abstract
PCTRO
Mar 14, 2018
Claims
PCTRO
Mar 14, 2018
Description
PCTRO
Mar 14, 2018
Mar 14, 2018
Drawings
PCTRO
Mar 14, 2018
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