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The patent EP3221261 was granted to Thyssenkrupp on Oct 9, 2019. The application was filed on Nov 10, 2015 under application number EP15795138A. 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 |
|---|---|---|---|
| YARA ASA | Jul 7, 2020 | DE CLERCQ & PARTNERS | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2013034303 |
| INTERNATIONAL-SEARCH-REPORT | WO2013034303 |
| INTERNATIONAL-SEARCH-REPORT | WO9108982 |
| OPPOSITION | DE102011112782 |
| OPPOSITION | US2013296610 |
| OPPOSITION | US2014353918 |
| OPPOSITION | US2015209754 |
| OPPOSITION | WO2004005187 |
| OPPOSITION | WO2013034303 |
| OPPOSITION | WO2013034304 |
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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Mar 14, 2024
Mar 14, 2024
Mar 14, 2024
Mar 5, 2024
Mar 5, 2024
Mar 5, 2024
Feb 16, 2024
Feb 13, 2024
(Electronic) Receipt
Appeal
Feb 13, 2024
Feb 13, 2024
Jan 29, 2024
Jan 29, 2024
Jan 26, 2024
Jan 26, 2024
Jan 26, 2024
Jan 23, 2024
(Electronic) Receipt
Appeal
Jan 23, 2024
(Electronic) Receipt
Appeal
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 23, 2024
Jan 8, 2024
Dec 22, 2023
(Electronic) Receipt
Appeal
Dec 22, 2023
Dec 22, 2023
Nov 10, 2023
Nov 10, 2023
Jul 20, 2023
(Electronic) Receipt
Appeal
Jul 20, 2023
Jul 6, 2023
(Electronic) Receipt
Appeal
Jul 6, 2023
Advice of delivery
Appeal
Jul 6, 2023
Jul 6, 2023
Jul 6, 2023
Jul 3, 2023
Sep 23, 2022
Sep 20, 2022
(Electronic) Receipt
Appeal
Sep 20, 2022
Sep 20, 2022
Jun 22, 2022
Jun 16, 2022
(Electronic) Receipt
Appeal
Jun 16, 2022
Jun 16, 2022
Jun 16, 2022
Jun 16, 2022
Jun 16, 2022
Jun 16, 2022
Jun 16, 2022
Jun 16, 2022
Reply to appeal
Appeal
May 13, 2022
May 13, 2022
May 9, 2022
(Electronic) Receipt
Appeal
May 9, 2022
(Electronic) Receipt
Appeal
May 9, 2022
May 9, 2022
May 9, 2022
May 9, 2022
Apr 14, 2022
Feb 16, 2022
Feb 11, 2022
(Electronic) Receipt
Appeal
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Feb 11, 2022
Dec 13, 2021
Dec 13, 2021
Dec 7, 2021
(Electronic) Receipt
Appeal
Dec 7, 2021
Dec 7, 2021
Notice of appeal
Appeal
Oct 13, 2021
Oct 13, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Means of redress
OPPO
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Jul 8, 2021
Jun 25, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 18, 2021
Jun 11, 2021
Jun 11, 2021
May 17, 2021
May 17, 2021
May 14, 2021
May 7, 2021
May 7, 2021
May 7, 2021
May 7, 2021
May 7, 2021
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May 6, 2021
May 6, 2021
May 6, 2021
Mar 30, 2021
Mar 30, 2021
Feb 25, 2021
Feb 17, 2021
Feb 17, 2021
Feb 17, 2021
Feb 17, 2021
Feb 17, 2021
Feb 17, 2021
Feb 17, 2021
Feb 17, 2021
Feb 17, 2021
Nov 30, 2020
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Jul 23, 2020
Jul 23, 2020
Jul 14, 2020
Jul 7, 2020
Jul 7, 2020
Authorisation
OPPO
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Jul 7, 2020
Oct 21, 2019
Sep 12, 2019
Decision to grant a European patent
Search/Exam
Aug 30, 2019
(Electronic) Receipt
Search/Exam
Aug 30, 2019
English translation of the claims
Search/Exam
Aug 30, 2019
French translation of claims
Search/Exam
Aug 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 28, 2019
Jun 28, 2019
Jun 28, 2019
Intention to grant (signatures)
Search/Exam
Jun 28, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 28, 2019
May 27, 2019
(Electronic) Receipt
Search/Exam
May 27, 2019
Amended claims with annotations
Search/Exam
May 27, 2019
Claims
Search/Exam
May 27, 2019
Letter accompanying subsequently filed items
Search/Exam
May 27, 2019
Jan 25, 2019
Annex to the communication
Search/Exam
Jan 25, 2019
Communication from the Examining Division
Search/Exam
Oct 10, 2018
(Electronic) Receipt
Search/Exam
Oct 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2018
Jul 31, 2018
Jul 17, 2018
Annexes in respect of a client data request
Search/Exam
Jul 17, 2018
Annexes in respect of a client data request
Search/Exam
Jul 17, 2018
Jul 2, 2018
Annex to the communication
Search/Exam
Jul 2, 2018
Communication from the Examining Division
Search/Exam
Jun 22, 2018
Examination started
Search/Exam
Dec 18, 2017
(Electronic) Receipt
Search/Exam
Dec 18, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 18, 2017
Reply to Written Opinion prepared by the EPO
Search/Exam
Aug 30, 2017
Jul 21, 2017
Jun 26, 2017
Communication to designated inventor
Search/Exam
Jun 26, 2017
Communication to designated inventor
Search/Exam
Jun 14, 2017
Jun 14, 2017
Notification of the recording of a change
Search/Exam
Jun 7, 2017
May 4, 2017
(Electronic) Receipt
Search/Exam
May 4, 2017
May 4, 2017
Amended claims with annotations
Search/Exam
May 4, 2017
May 4, 2017
Amended description with annotations
Search/Exam
May 4, 2017
Priority search results
Search/Exam
May 4, 2017
Request for entry into the European phase
Search/Exam
Apr 11, 2017
Mar 31, 2017
Information on entry into European phase
Search/Exam
Mar 22, 2017
Annexes in respect of a client data request
Search/Exam
Mar 22, 2017
Annexes in respect of a client data request
Search/Exam
Mar 22, 2017
Jun 14, 2016
May 26, 2016
Copy of the international search report
Search/Exam
May 26, 2016
Copy of the international search report
Search/Exam
May 26, 2016
Published international application - A1
Search/Exam
Feb 11, 2016
Feb 11, 2016
Feb 11, 2016
Nov 17, 2015
Nov 10, 2015
(Electronic) Receipt
PCTRO
Nov 10, 2015
Abstract
PCTRO
Nov 10, 2015
Claims
PCTRO
Nov 10, 2015
Description
PCTRO
Nov 10, 2015
Nov 10, 2015
Drawings
PCTRO
Nov 10, 2015