The weekly litigation news digest is live. Subscribe now
The patent EP3969718 was granted to Shell Internationale Research Maatschappij on Apr 19, 2023. The application was filed on May 12, 2020 under application number EP20724135A. 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 |
|---|---|---|---|
| STROM & GULLIKSSON | Jan 16, 2024 | STROM & GULLIKSSON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP20200159582 |
| DESCRIPTION | US2381929 |
| INTERNATIONAL-SEARCH-REPORT | US2381929 |
| INTERNATIONAL-SEARCH-REPORT | US4640362 |
| INTERNATIONAL-SEARCH-REPORT | US4928757 |
| OPPOSITION | US2381929 |
| OPPOSITION | US6155150 |
| OPPOSITION | WO2012069634 |
| OPPOSITION | WO2017211361 |
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
Get instant alerts for new documents
Jul 15, 2025
Jul 15, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Means of redress
OPPO
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 1, 2025
Apr 1, 2025
Mar 25, 2025
Feb 14, 2025
Feb 4, 2025
Feb 4, 2025
Jan 31, 2025
Jan 30, 2025
Jan 28, 2025
Jan 28, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
Jan 23, 2025
Jan 23, 2025
Jan 23, 2025
Dec 18, 2024
Dec 18, 2024
Dec 18, 2024
Dec 13, 2024
Dec 13, 2024
Dec 5, 2024
Dec 5, 2024
Authorisation
OPPO
Dec 5, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 27, 2024
Aug 22, 2024
May 27, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
May 17, 2024
Feb 2, 2024
Feb 2, 2024
Jan 22, 2024
Jan 16, 2024
Jan 16, 2024
Jan 16, 2024
Jan 16, 2024
Jan 16, 2024
Jan 16, 2024
Jan 16, 2024
May 4, 2023
Apr 26, 2023
Refund of fees
Search/Exam
Mar 23, 2023
Decision to grant a European patent
Search/Exam
Mar 10, 2023
(Electronic) Receipt
Search/Exam
Mar 10, 2023
Filing of the translations of the claims
Search/Exam
Mar 10, 2023
French translation of claims
Search/Exam
Mar 10, 2023
German translation of the claims
Search/Exam
Dec 14, 2022
Dec 14, 2022
Dec 14, 2022
Dec 14, 2022
Intention to grant (signatures)
Search/Exam
Dec 14, 2022
Text intended for grant (clean copy)
Search/Exam
Dec 14, 2022
Nov 23, 2022
Examination started
Search/Exam
Jun 22, 2022
(Electronic) Receipt
Search/Exam
Jun 22, 2022
Jun 22, 2022
Amended claims with annotations
Search/Exam
Jun 22, 2022
Jun 22, 2022
Amended description with annotations
Search/Exam
Jun 22, 2022
Amendments received before examination
Search/Exam
Jun 22, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 23, 2022
Dec 22, 2021
Dec 15, 2021
Priority search results copy provided by EPO
Search/Exam
Nov 29, 2021
Nov 24, 2021
Information regarding early processing
Search/Exam
Nov 10, 2021
(Electronic) Receipt
Search/Exam
Nov 10, 2021
Request for entry into the European phase
Search/Exam
Sep 24, 2021
Information on entry into European phase
Search/Exam
May 10, 2021
Nov 19, 2020
Copy of the international search report
Search/Exam
Nov 19, 2020
Published international application - A1
Search/Exam
Sep 18, 2020
ISR: cited documents
PCTISA
Sep 18, 2020
Sep 18, 2020
Sep 18, 2020
Jun 19, 2020
(Electronic) Receipt
PCTRO
Jun 19, 2020
Jun 19, 2020
Jun 19, 2020
Jun 19, 2020
May 19, 2020
May 19, 2020
May 19, 2020
May 15, 2020
May 12, 2020
(Electronic) Receipt
PCTRO
May 12, 2020
Abstract
PCTRO
May 12, 2020
Claims
PCTRO
May 12, 2020
Description
PCTRO
May 12, 2020
May 12, 2020
Drawings
PCTRO
May 12, 2020
May 12, 2020