The patent EP3124543 was granted to Asahi Kasei Kabushiki Kaisha on Aug 15, 2018. The application was originally filed on Mar 27, 2015 under application number EP15769383A. 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.
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
Get a free citation report including examiner, opposition, and international search citations.
Get Citation ReportThe 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
May 31, 2024
May 31, 2024
May 31, 2024
May 29, 2024
May 29, 2024
May 29, 2024
May 21, 2024
(Electronic) Receipt
Appeal
May 21, 2024
May 21, 2024
May 21, 2024
May 17, 2024
May 16, 2024
(Electronic) Receipt
Appeal
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 15, 2024
(Electronic) Receipt
Appeal
May 15, 2024
May 15, 2024
May 14, 2024
May 13, 2024
(Electronic) Receipt
Appeal
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 6, 2024
May 3, 2024
(Electronic) Receipt
Appeal
May 3, 2024
May 3, 2024
Apr 30, 2024
Apr 30, 2024
Apr 29, 2024
Apr 29, 2024
Apr 29, 2024
Apr 26, 2024
(Electronic) Receipt
Appeal
Apr 26, 2024
Apr 26, 2024
Apr 25, 2024
(Electronic) Receipt
Appeal
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 10, 2024
Apr 10, 2024
Apr 5, 2024
(Electronic) Receipt
Appeal
Apr 5, 2024
Apr 5, 2024
Apr 5, 2024
Dec 8, 2023
Dec 5, 2023
(Electronic) Receipt
Appeal
Dec 5, 2023
Dec 5, 2023
Nov 29, 2023
Nov 29, 2023
Aug 25, 2023
Aug 25, 2023
Aug 25, 2023
Aug 22, 2023
(Electronic) Receipt
Appeal
Aug 22, 2023
Aug 22, 2023
Aug 3, 2023
Aug 3, 2023
Aug 3, 2023
Jul 31, 2023
(Electronic) Receipt
Appeal
Jul 31, 2023
Jul 31, 2023
Jul 3, 2023
Jun 28, 2023
(Electronic) Receipt
Appeal
Jun 28, 2023
Jun 28, 2023
Jun 28, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 16, 2023
Jun 13, 2023
Jun 13, 2023
Mar 31, 2023
Mar 27, 2023
(Electronic) Receipt
Appeal
Mar 27, 2023
Mar 27, 2023
Dec 1, 2022
Nov 28, 2022
(Electronic) Receipt
Appeal
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Nov 28, 2022
Reply to appeal
Appeal
Jul 20, 2022
Jul 15, 2022
(Electronic) Receipt
Appeal
Jul 15, 2022
Jul 15, 2022
Jul 15, 2022
May 17, 2022
May 17, 2022
May 9, 2022
(Electronic) Receipt
Appeal
May 9, 2022
May 9, 2022
Notice of appeal
Appeal
Mar 28, 2022
Mar 28, 2022
Mar 28, 2022
Mar 21, 2022
Mar 18, 2022
Mar 18, 2022
Mar 18, 2022
Mar 18, 2022
Mar 18, 2022
Mar 18, 2022
Means of redress
OPPO
Mar 18, 2022
Mar 18, 2022
Mar 18, 2022
Mar 18, 2022
Mar 18, 2022
Mar 18, 2022
Mar 18, 2022
Jan 27, 2022
Jan 4, 2022
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Dec 14, 2021
Dec 1, 2021
Nov 29, 2021
Nov 25, 2021
Nov 25, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Nov 24, 2021
Aug 6, 2021
Aug 6, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 19, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Apr 14, 2021
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 21, 2020
Aug 31, 2020
Aug 25, 2020
Aug 25, 2020
Aug 25, 2020
Aug 25, 2020
Aug 25, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Aug 20, 2020
Jul 31, 2020
Jul 31, 2020
Jan 14, 2020
Jan 7, 2020
Jan 3, 2020
Jan 3, 2020
Jan 3, 2020
Jan 3, 2020
Jan 3, 2020
Jan 3, 2020
Oct 10, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
Oct 4, 2019
May 27, 2019
May 27, 2019
May 20, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
May 15, 2019
Aug 27, 2018
Jul 19, 2018
Decision to grant a European patent
Search/Exam
Jun 5, 2018
(Electronic) Receipt
Search/Exam
Jun 5, 2018
Filing of the translations of the claims
Search/Exam
Jun 5, 2018
French translation of claims
Search/Exam
Jun 5, 2018
German translation of the claims
Search/Exam
Jun 5, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 2, 2018
Mar 2, 2018
Mar 2, 2018
Intention to grant (signatures)
Search/Exam
Mar 2, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 2, 2018
Oct 10, 2017
(Electronic) Receipt
Search/Exam
Oct 10, 2017
Amended claims with annotations
Search/Exam
Oct 10, 2017
Claims
Search/Exam
Oct 10, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2017
Jul 31, 2017
Jul 25, 2017
(Electronic) Receipt
Search/Exam
Jul 25, 2017
Mar 31, 2017
Annex to the communication
Search/Exam
Mar 31, 2017
Communication from the Examining Division
Search/Exam
Mar 17, 2017
Mar 17, 2017
Information on Search Strategy
Search/Exam
Mar 17, 2017
Supplementary European search report
Search/Exam
Mar 7, 2017
Search started
Search/Exam
Jan 4, 2017
Notification of forthcoming publication
Search/Exam
Nov 16, 2016
Refund of fees
Search/Exam
Nov 8, 2016
Communication to designated inventor
Search/Exam
Nov 8, 2016
Communication to designated inventor
Search/Exam
Oct 17, 2016
Oct 17, 2016
Sep 21, 2016
(Electronic) Receipt
Search/Exam
Sep 21, 2016
Abstract
Search/Exam
Sep 21, 2016
Claims
Search/Exam
Sep 21, 2016
Description
Search/Exam
Sep 21, 2016
Drawings
Search/Exam
Sep 21, 2016
Request for entry into the European phase
Search/Exam
Aug 5, 2016
Information on entry into European phase
Search/Exam
Jun 2, 2016
Notification of the recording of a change
Search/Exam
Oct 20, 2015
Oct 1, 2015
Copy of the international search report
Search/Exam
Oct 1, 2015
Oct 1, 2015
International publication pamphlet
Search/Exam