The patent EP3753029 was granted to Westinghouse Electric on Sep 3, 2025. The application was originally filed on Jan 30, 2019 under application number EP19750432A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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.
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
Aug 7, 2025
Aug 7, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jun 17, 2025
Jun 17, 2025
Jun 17, 2025
Jun 16, 2025
Refund of fees
Appeal
Jun 16, 2025
Refund of fees
Appeal
Jun 12, 2025
Jun 12, 2025
Jun 10, 2025
Jun 4, 2025
(Electronic) Receipt
Appeal
Jun 4, 2025
Jun 4, 2025
Withdrawal of an appeal
Appeal
May 8, 2025
May 8, 2025
May 6, 2025
May 3, 2025
(Electronic) Receipt
Appeal
May 3, 2025
May 3, 2025
Withdrawal of an appeal
Appeal
Apr 30, 2025
(Electronic) Receipt
Appeal
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Apr 30, 2025
Mar 21, 2025
Mar 21, 2025
Mar 12, 2025
Mar 12, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Feb 28, 2025
(Electronic) Receipt
Appeal
Feb 28, 2025
(Electronic) Receipt
Appeal
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Notice of appeal
Appeal
Feb 28, 2025
Notice of appeal
Appeal
Feb 28, 2025
Notice of appeal
Appeal
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Means of redress
OPPO
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Jan 3, 2025
Dec 5, 2024
Dec 4, 2024
Dec 2, 2024
Dec 2, 2024
Dec 2, 2024
Nov 13, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Oct 10, 2024
Oct 9, 2024
Oct 7, 2024
Oct 7, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Sep 26, 2024
Sep 26, 2024
Sep 26, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
May 10, 2024
Jan 8, 2024
Dec 27, 2023
Dec 27, 2023
Dec 27, 2023
Oct 4, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Sep 28, 2023
Aug 8, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Aug 2, 2023
Jul 19, 2023
Mar 23, 2023
Mar 23, 2023
Mar 16, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Mar 8, 2023
Jan 27, 2023
Jan 23, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 23, 2023
Dec 23, 2022
Dec 16, 2022
Annexes in respect of a client data request
Search/Exam
Dec 16, 2022
Jun 22, 2022
May 12, 2022
Decision to grant a European patent
Search/Exam
Apr 29, 2022
Filing of the translations of the claims
Search/Exam
Apr 29, 2022
French translation of claims
Search/Exam
Apr 29, 2022
German translation of the claims
Search/Exam
Apr 29, 2022
Letter concerning fees and payments
Search/Exam
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Intention to grant (signatures)
Search/Exam
Mar 22, 2022
Text intended for grant (clean copy)
Search/Exam
Mar 22, 2022
Feb 17, 2022
Examination started
Search/Exam
Dec 6, 2021
Maintenance of the application
Search/Exam
Nov 30, 2021
Nov 16, 2021
Maintenance of the application
Search/Exam
Nov 12, 2021
Nov 12, 2021
European search opinion
Search/Exam
Nov 12, 2021
Information on Search Strategy
Search/Exam
Nov 12, 2021
Supplementary European search report
Search/Exam
Dec 28, 2020
Dec 28, 2020
Amended claims with annotations
Search/Exam
Dec 28, 2020
Amendments received before examination
Search/Exam
Nov 25, 2020
Oct 23, 2020
Oct 12, 2020
Letter concerning fees and payments
Search/Exam
Oct 7, 2020
Sep 18, 2020
Communication to designated inventor
Search/Exam
Sep 18, 2020
Communication to designated inventor
Search/Exam
Sep 18, 2020
Communication to designated inventor
Search/Exam
Sep 18, 2020
Communication to designated inventor
Search/Exam
Aug 31, 2020
Aug 14, 2020
Letter concerning fees and payments
Search/Exam
Aug 14, 2020
Matter concerning the application
Search/Exam
Aug 14, 2020
Request for entry into the European phase
Search/Exam
Aug 11, 2020
Letter concerning fees and payments
Search/Exam
Aug 11, 2020
Matter concerning the application
Search/Exam
Aug 11, 2020
Matter concerning the application
Search/Exam
Aug 11, 2020
Request for entry into the European phase
Search/Exam
Jun 19, 2020
Information on entry into European phase
Search/Exam
Apr 22, 2020
Notification of the recording of a change
Search/Exam
Sep 3, 2019
Aug 15, 2019
Copy of the international search report
Search/Exam
Aug 15, 2019
Published international application - A1
Search/Exam