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The patent EP3222911 was granted to Doosan Lentjes on Sep 19, 2018. The application was filed on Mar 21, 2016 under application number EP16161403A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| SUMITOMO SHI FW ENERGIA | Jun 19, 2019 | GENIP | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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 20, 2023
Sep 20, 2023
Sep 20, 2023
Jul 3, 2023
Jul 3, 2023
Jul 3, 2023
Jun 14, 2023
Jun 13, 2023
(Electronic) Receipt
Appeal
Jun 13, 2023
Jun 13, 2023
May 15, 2023
May 15, 2023
May 15, 2023
May 11, 2023
May 5, 2023
(Electronic) Receipt
Appeal
May 5, 2023
(Electronic) Receipt
Appeal
May 5, 2023
May 5, 2023
May 5, 2023
May 5, 2023
Mar 6, 2023
Mar 6, 2023
Feb 10, 2023
Feb 10, 2023
Feb 7, 2023
Jan 23, 2023
Mar 12, 2022
Jun 17, 2021
Feb 25, 2021
Feb 22, 2021
(Electronic) Receipt
Appeal
Feb 22, 2021
Feb 22, 2021
Dec 22, 2020
Nov 30, 2020
(Electronic) Receipt
Appeal
Nov 30, 2020
Nov 30, 2020
Nov 30, 2020
Reply to appeal
Appeal
Jul 22, 2020
Jul 16, 2020
(Electronic) Receipt
Appeal
Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
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Jul 16, 2020
Jul 16, 2020
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Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
Jul 16, 2020
May 28, 2020
May 28, 2020
May 13, 2020
(Electronic) Receipt
Appeal
May 13, 2020
May 13, 2020
Notice of appeal
Appeal
Apr 2, 2020
Mar 19, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Means of redress
OPPO
Mar 11, 2020
Mar 11, 2020
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Nov 12, 2019
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Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Jun 19, 2019
Oct 1, 2018
Aug 23, 2018
Decision to grant a European patent
Search/Exam
Jul 24, 2018
(Electronic) Receipt
Search/Exam
Jul 24, 2018
French translation of claims
Search/Exam
Jul 24, 2018
German translation of the claims
Search/Exam
Jul 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 11, 2018
Apr 5, 2018
Mar 29, 2018
Mar 29, 2018
Mar 29, 2018
Intention to grant (signatures)
Search/Exam
Mar 29, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 29, 2018
Mar 28, 2018
Mar 22, 2018
Mar 20, 2018
Mar 14, 2018
Claims
Search/Exam
Mar 14, 2018
Feb 21, 2018
Feb 21, 2018
Feb 21, 2018
Intention to grant (signatures)
Search/Exam
Feb 21, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 21, 2018
Jan 24, 2018
Examination started
Search/Exam
Oct 2, 2017
Aug 30, 2017
Notification of forthcoming publication
Search/Exam
Mar 9, 2017
Mar 9, 2017
Amended claims with annotations
Search/Exam
Mar 9, 2017
Mar 9, 2017
Amended description with annotations
Search/Exam
Mar 9, 2017
Mar 9, 2017
Amended drawings with annotations
Search/Exam
Mar 9, 2017
Amendments received before examination
Search/Exam
Feb 22, 2017
Amendments not yet acceptable
Search/Exam
Feb 21, 2017
Feb 21, 2017
European search opinion
Search/Exam
Feb 21, 2017
European search report
Search/Exam
Feb 21, 2017
Information on Search Strategy
Search/Exam
Jan 30, 2017
Annex
Search/Exam
Jan 30, 2017
Matter concerning the application
Search/Exam
Jan 30, 2017
Payment of fees and costs
Search/Exam
Jan 30, 2017
Payment of fees and costs
Search/Exam
Sep 26, 2016
Sep 26, 2016
Information on Search Strategy
Search/Exam
Sep 26, 2016
Partial European search report
Search/Exam
Sep 14, 2016
Search started
Search/Exam
Jun 7, 2016
Communication to designated inventor
Search/Exam
Jun 7, 2016
Communication to designated inventor
Search/Exam
Jun 7, 2016
Communication to designated inventor
Search/Exam
Jun 7, 2016
Communication to designated inventor
Search/Exam
May 31, 2016
Designation of inventor
Search/Exam
May 31, 2016
Letter concerning the inventor
Search/Exam
Apr 15, 2016
Deficiency in designation of inventor
Search/Exam
Mar 21, 2016
Abstract
Search/Exam
Mar 21, 2016
Mar 21, 2016
Claims
Search/Exam
Mar 21, 2016
Description
Search/Exam
Mar 21, 2016
Drawings
Search/Exam
Mar 21, 2016
Request for grant of a European patent
Search/Exam