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The patent EP3700352 was granted to Symrise on Sep 22, 2021. The application was originally filed on Oct 23, 2017 under application number EP17788203A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1258200 |
| DESCRIPTION | EP1955601 |
| DESCRIPTION | EP1989944 |
| DESCRIPTION | EP2033688 |
| DESCRIPTION | EP2570035 |
| DESCRIPTION | EP2570036 |
| DESCRIPTION | EP2725026 |
| DESCRIPTION | US2008227867 |
| DESCRIPTION | US2013078192 |
| DESCRIPTION | US2013084252 |
| DESCRIPTION | US3924017 |
| DESCRIPTION | US4150052 |
| DESCRIPTION | WO2004026840 |
| DESCRIPTION | WO2004050069 |
| DESCRIPTION | WO2004078302 |
| DESCRIPTION | WO2005049553 |
| DESCRIPTION | WO2005096841 |
| DESCRIPTION | WO2006024587 |
| DESCRIPTION | WO2006058893 |
| DESCRIPTION | WO2006087991 |
| DESCRIPTION | WO2006106023 |
| DESCRIPTION | WO2007003527 |
| DESCRIPTION | WO2007014879 |
| DESCRIPTION | WO2007107596 |
| DESCRIPTION | WO2008046895 |
| DESCRIPTION | WO2012146584 |
| DESCRIPTION | WO9820753 |
| INTERNATIONAL-SEARCH-REPORT | US3743716 |
| INTERNATIONAL-SEARCH-REPORT | US3751270 |
| INTERNATIONAL-SEARCH-REPORT | US8992892 |
| OPPOSITION | DE2148332 |
| OPPOSITION | US2003072842 |
| OPPOSITION | US3908026 |
| OPPOSITION | WO2011090709 |
| OPPOSITION | WO2013060746 |
| OPPOSITION | WO2014205265 |
| OPPOSITION | WO2018001703 |
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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Jul 28, 2025
Refund of fees
Appeal
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 23, 2025
Jul 21, 2025
(Electronic) Receipt
Appeal
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Withdrawal of an appeal
Appeal
Jul 18, 2025
(Electronic) Receipt
Appeal
Jul 18, 2025
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Jun 25, 2025
Jun 25, 2025
Nov 22, 2024
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Aug 7, 2024
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(Electronic) Receipt
Appeal
Aug 2, 2024
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(Electronic) Receipt
Appeal
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May 15, 2024
(Electronic) Receipt
Appeal
May 15, 2024
May 15, 2024
Reply to appeal
Appeal
Mar 12, 2024
Mar 6, 2024
(Electronic) Receipt
Appeal
Mar 6, 2024
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(Electronic) Receipt
Appeal
Jan 5, 2024
(Electronic) Receipt
Appeal
Jan 5, 2024
Jan 5, 2024
Notice of appeal
Appeal
Nov 9, 2023
Nov 6, 2023
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Means of redress
OPPO
Nov 6, 2023
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Oct 21, 2021
Payment submission rejected
Search/Exam
Oct 5, 2021
Aug 26, 2021
Decision to grant a European patent
Search/Exam
Aug 11, 2021
(Electronic) Receipt
Search/Exam
Aug 11, 2021
Filing of the translations of the claims
Search/Exam
Aug 11, 2021
French translation of claims
Search/Exam
Aug 11, 2021
German translation of the claims
Search/Exam
Aug 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 15, 2021
Apr 15, 2021
Apr 15, 2021
Intention to grant (signatures)
Search/Exam
Apr 15, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 15, 2021
Mar 15, 2021
Examination started
Search/Exam
Aug 5, 2020
Jul 27, 2020
(Electronic) Receipt
Search/Exam
Jul 27, 2020
Amended description with annotations
Search/Exam
Jul 27, 2020
Amendments received before examination
Search/Exam
Jul 27, 2020
Description
Search/Exam
Jul 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2020
Jul 6, 2020
Letter which had not been notified
Search/Exam
Jun 3, 2020
May 29, 2020
Communication to designated inventor
Search/Exam
May 29, 2020
Communication to designated inventor
Search/Exam
May 29, 2020
Communication to designated inventor
Search/Exam
May 29, 2020
Communication to designated inventor
Search/Exam
May 29, 2020
Communication to designated inventor
Search/Exam
May 29, 2020
Communication to designated inventor
Search/Exam
May 11, 2020
Apr 8, 2020
Apr 8, 2020
Refund of fees
Search/Exam
Apr 8, 2020
Refund of fees
Search/Exam
Mar 31, 2020
(Electronic) Receipt
Search/Exam
Mar 31, 2020
Request for entry into the European phase
Search/Exam
Mar 6, 2020
Information on entry into European phase
Search/Exam
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Nov 19, 2019
Notification of the recording of a change
Search/Exam
Nov 19, 2019
Notification of the recording of a change
Search/Exam
Nov 8, 2019
(Electronic) Receipt
PCTRO
Nov 8, 2019
Aug 7, 2019
Aug 7, 2019
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Notification of the recording of a change
Search/Exam
Aug 7, 2019
Notification of the recording of a change
Search/Exam
Aug 7, 2019
Notification of the recording of a change
Search/Exam
Aug 7, 2019
Notification of the recording of a change
Search/Exam
Aug 7, 2019
Notification of the recording of a change
Search/Exam
Jul 24, 2019
(Electronic) Receipt
PCTRO
Jul 24, 2019
Jul 24, 2019
May 2, 2019
Copy of the international search report
Search/Exam
May 2, 2019
Published international application - A1
Search/Exam
Jan 16, 2018
Jan 2, 2018
Dec 13, 2017
ISR: cited documents
PCTISA
Dec 12, 2017
Dec 12, 2017
Dec 12, 2017
Nov 7, 2017
Oct 31, 2017
Oct 27, 2017
Oct 23, 2017
(Electronic) Receipt
PCTRO
Oct 23, 2017
Abstract
PCTRO
Oct 23, 2017
Claims
PCTRO
Oct 23, 2017
Description
PCTRO
Oct 23, 2017
Oct 23, 2017
Drawings
PCTRO
Oct 23, 2017