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The patent EP3397734 was granted to Shell Internationale Research Maatschappij on Jul 29, 2020. The application was filed on Nov 28, 2016 under application number EP16802061A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| TOTALENERGIES RAFFINAGE CHIMIE | Apr 27, 2021 | FEDIT LORIOT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP20090160983 |
| DESCRIPTION | EP20090176879 |
| DESCRIPTION | EP20090180904 |
| DESCRIPTION | US20100312307 |
| DESCRIPTION | DE10102913 |
| DESCRIPTION | DE19620262 |
| DESCRIPTION | DE3838918 |
| DESCRIPTION | EP0147873 |
| DESCRIPTION | EP0310875 |
| DESCRIPTION | EP0356725 |
| DESCRIPTION | EP0583836 |
| DESCRIPTION | EP0668342 |
| DESCRIPTION | EP0700985 |
| DESCRIPTION | EP0776959 |
| DESCRIPTION | EP0831141 |
| DESCRIPTION | EP1101813 |
| DESCRIPTION | GB2077289 |
| DESCRIPTION | US2009300971 |
| DESCRIPTION | US4125566 |
| DESCRIPTION | US4478955 |
| DESCRIPTION | US4849572 |
| DESCRIPTION | US4877416 |
| DESCRIPTION | US4943672 |
| DESCRIPTION | US5059299 |
| DESCRIPTION | US5855629 |
| DESCRIPTION | US6204426 |
| DESCRIPTION | WO0011116 |
| DESCRIPTION | WO0011117 |
| DESCRIPTION | WO0020534 |
| DESCRIPTION | WO0020535 |
| DESCRIPTION | WO0183406 |
| DESCRIPTION | WO0183641 |
| DESCRIPTION | WO0183647 |
| DESCRIPTION | WO0183648 |
| DESCRIPTION | WO03076554 |
| DESCRIPTION | WO2009077606 |
| DESCRIPTION | WO2009083466 |
| DESCRIPTION | WO2010000761 |
| DESCRIPTION | WO2010028206 |
| DESCRIPTION | WO9424231 |
| DESCRIPTION | WO9703946 |
| DESCRIPTION | WO9714768 |
| DESCRIPTION | WO9714769 |
| DESCRIPTION | WO9920720 |
| DESCRIPTION | WO9934917 |
| EXAMINATION | EP2963097 |
| INTERNATIONAL-SEARCH-REPORT | US2009165363 |
| INTERNATIONAL-SEARCH-REPORT | US2013227878 |
| INTERNATIONAL-SEARCH-REPORT | US2015166920 |
| INTERNATIONAL-SEARCH-REPORT | WO2006031319 |
| INTERNATIONAL-SEARCH-REPORT | WO2009083466 |
| OPPOSITION | EP0583836 |
| OPPOSITION | US2006054865 |
| OPPOSITION | US2010326387 |
| OPPOSITION | WO2009083466 |
| OPPOSITION | WO2009148909 |
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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Apr 14, 2025
Refund of fees
Appeal
Apr 8, 2025
Apr 8, 2025
Apr 7, 2025
Apr 7, 2025
Apr 7, 2025
Apr 7, 2025
Apr 4, 2025
(Electronic) Receipt
Appeal
Apr 4, 2025
Apr 4, 2025
Withdrawal of an appeal
Appeal
Mar 12, 2025
Mar 12, 2025
Mar 12, 2025
Mar 12, 2025
Mar 11, 2025
Mar 10, 2025
(Electronic) Receipt
Appeal
Mar 10, 2025
(Electronic) Receipt
Appeal
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Mar 7, 2025
(Electronic) Receipt
Appeal
Mar 7, 2025
(Electronic) Receipt
Appeal
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Oct 28, 2024
Oct 28, 2024
Sep 6, 2024
Sep 3, 2024
(Electronic) Receipt
Appeal
Sep 3, 2024
Sep 3, 2024
Aug 28, 2024
Aug 28, 2024
Aug 27, 2024
Aug 22, 2024
(Electronic) Receipt
Appeal
Aug 22, 2024
Aug 22, 2024
Aug 21, 2024
Aug 16, 2024
(Electronic) Receipt
Appeal
Aug 16, 2024
(Electronic) Receipt
Appeal
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 6, 2024
Aug 6, 2024
Aug 1, 2024
May 2, 2024
Mar 4, 2024
Feb 28, 2024
(Electronic) Receipt
Appeal
Feb 28, 2024
Feb 28, 2024
Jan 31, 2024
Jan 26, 2024
(Electronic) Receipt
Appeal
Jan 26, 2024
Jan 26, 2024
Oct 30, 2023
Oct 25, 2023
(Electronic) Receipt
Appeal
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
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Oct 25, 2023
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Oct 25, 2023
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Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Reply to appeal
Appeal
Jun 15, 2023
Jun 9, 2023
(Electronic) Receipt
Appeal
Jun 9, 2023
Jun 9, 2023
Jun 9, 2023
Jun 9, 2023
Jun 9, 2023
Apr 17, 2023
Apr 17, 2023
Apr 6, 2023
(Electronic) Receipt
Appeal
Apr 6, 2023
Apr 6, 2023
Notice of appeal
Appeal
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 10, 2023
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Feb 9, 2023
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Means of redress
OPPO
Feb 9, 2023
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Authorisation
OPPO
Dec 16, 2022
Dec 16, 2022
Dec 14, 2022
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Authorisation
OPPO
Nov 16, 2022
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Dec 16, 2021
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Aug 10, 2020
Jul 2, 2020
Decision to grant a European patent
Search/Exam
Jun 15, 2020
(Electronic) Receipt
Search/Exam
Jun 15, 2020
Filing of the translations of the claims
Search/Exam
Jun 15, 2020
French translation of claims
Search/Exam
Jun 15, 2020
German translation of the claims
Search/Exam
Feb 19, 2020
Feb 19, 2020
Feb 19, 2020
Intention to grant (signatures)
Search/Exam
Feb 19, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 19, 2020
Oct 14, 2019
(Electronic) Receipt
Search/Exam
Oct 14, 2019
Amended claims with annotations
Search/Exam
Oct 14, 2019
Amended description with annotations
Search/Exam
Oct 14, 2019
Claims
Search/Exam
Oct 14, 2019
Description
Search/Exam
Oct 14, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 14, 2019
Jun 19, 2019
Annex to the communication
Search/Exam
Jun 19, 2019
Communication from the Examining Division
Search/Exam
Jun 13, 2019
Examination started
Search/Exam
Jan 16, 2019
(Electronic) Receipt
Search/Exam
Jan 16, 2019
Jan 16, 2019
Amended claims with annotations
Search/Exam
Jan 16, 2019
Amendments received before examination
Search/Exam
Jan 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2018
Aug 28, 2018
Aug 28, 2018
Aug 16, 2018
Letter which had not been notified
Search/Exam
Aug 8, 2018
Letter which had not been notified
Search/Exam
Jul 6, 2018
Jul 6, 2018
Communication to designated inventor
Search/Exam
Jul 6, 2018
Communication to designated inventor
Search/Exam
Jul 6, 2018
Communication to designated inventor
Search/Exam
Jul 6, 2018
Communication to designated inventor
Search/Exam
Jul 6, 2018
Communication to designated inventor
Search/Exam
Jun 30, 2018
Priority search results copy provided by EPO
Search/Exam
Jun 20, 2018
May 25, 2018
(Electronic) Receipt
Search/Exam
May 25, 2018
Request for entry into the European phase
Search/Exam
Apr 13, 2018
Information on entry into European phase
Search/Exam
Feb 20, 2018
Jun 27, 2017
Jun 8, 2017
Copy of the international search report
Search/Exam
Jun 8, 2017
Published international application - A1
Search/Exam
Feb 3, 2017
Feb 3, 2017
Feb 3, 2017
Dec 5, 2016
Nov 28, 2016
(Electronic) Receipt
PCTRO
Nov 28, 2016
Abstract
PCTRO
Nov 28, 2016
Claims
PCTRO
Nov 28, 2016
Description
PCTRO
Nov 28, 2016
Nov 28, 2016
Drawings
PCTRO
Nov 28, 2016
Nov 28, 2016
Nov 28, 2016
Nov 28, 2016