The patent EP3305155 was granted to Eurofilters on May 22, 2019. The application was originally filed on Oct 6, 2016 under application number EP16192650A. 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.
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
Oct 1, 2024
Oct 1, 2024
Oct 1, 2024
Sep 12, 2024
Sep 12, 2024
Sep 11, 2024
Sep 6, 2024
Sep 5, 2024
(Electronic) Receipt
Appeal
Sep 5, 2024
Sep 5, 2024
Aug 21, 2024
Aug 16, 2024
(Electronic) Receipt
Appeal
Aug 16, 2024
Aug 16, 2024
Apr 22, 2024
Apr 22, 2024
Apr 17, 2024
Dec 22, 2023
Dec 19, 2023
(Electronic) Receipt
Appeal
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Dec 19, 2023
Nov 21, 2023
Nov 20, 2023
Advice of delivery
Appeal
Nov 16, 2023
(Electronic) Receipt
Appeal
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 16, 2023
Nov 13, 2023
Jul 28, 2023
Jul 25, 2023
(Electronic) Receipt
Appeal
Jul 25, 2023
Jul 25, 2023
Reply to appeal
Appeal
Jun 23, 2023
May 3, 2023
General enquiry
Appeal
May 3, 2023
Mar 15, 2023
Mar 10, 2023
(Electronic) Receipt
Appeal
Mar 10, 2023
Mar 10, 2023
Nov 28, 2022
Nov 28, 2022
Nov 22, 2022
(Electronic) Receipt
Appeal
Nov 22, 2022
Nov 22, 2022
Notice of appeal
Appeal
Nov 14, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Means of redress
OPPO
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Nov 11, 2022
Oct 11, 2022
Aug 18, 2022
Aug 11, 2022
Aug 9, 2022
Aug 9, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Jun 21, 2022
Jun 21, 2022
Jun 7, 2022
Jun 7, 2022
May 31, 2022
Nov 10, 2021
Nov 8, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Nov 5, 2021
Oct 12, 2021
Oct 12, 2021
Oct 12, 2021
Oct 12, 2021
Oct 11, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 6, 2021
Oct 6, 2021
Oct 6, 2021
Oct 6, 2021
Oct 6, 2021
Oct 6, 2021
Oct 6, 2021
Oct 6, 2021
Oct 6, 2021
Oct 6, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Aug 20, 2021
Aug 13, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 11, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Aug 10, 2021
Jun 21, 2021
Jun 11, 2021
Jun 2, 2021
Jun 2, 2021
Feb 3, 2021
Jan 29, 2021
Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
Jan 27, 2021
Sep 23, 2020
Sep 23, 2020
Sep 21, 2020
Sep 16, 2020
Jul 16, 2020
Jul 16, 2020
Jul 3, 2020
Jun 30, 2020
Mar 6, 2020
Mar 6, 2020
Feb 26, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Feb 20, 2020
Jun 3, 2019
Apr 26, 2019
Decision to grant a European patent
Search/Exam
Apr 9, 2019
(Electronic) Receipt
Search/Exam
Apr 9, 2019
English translation of the claims
Search/Exam
Apr 9, 2019
Filing of the translations of the claims
Search/Exam
Apr 9, 2019
French translation of claims
Search/Exam
Jan 7, 2019
Jan 7, 2019
Jan 7, 2019
Intention to grant (signatures)
Search/Exam
Jan 7, 2019
Text intended for grant (clean copy)
Search/Exam
Jan 7, 2019
Oct 4, 2018
Amended claims with annotations
Search/Exam
Oct 4, 2018
Amended description with annotations
Search/Exam
Oct 4, 2018
Annex
Search/Exam
Oct 4, 2018
Claims
Search/Exam
Oct 4, 2018
Description
Search/Exam
Oct 4, 2018
Sep 27, 2018
Amended claims with annotations
Search/Exam
Sep 27, 2018
Amended description with annotations
Search/Exam
Sep 27, 2018
Claims
Search/Exam
Sep 27, 2018
Description
Search/Exam
Sep 27, 2018
Sep 13, 2018
Annex to the communication
Search/Exam
Sep 13, 2018
Communication from the Examining Division
Search/Exam
Sep 7, 2018
Examination started
Search/Exam
Apr 25, 2018
(Electronic) Receipt
Search/Exam
Apr 25, 2018
Letter concerning fees and payments
Search/Exam
Apr 16, 2018
Mar 14, 2018
Notification of forthcoming publication
Search/Exam
Mar 23, 2017
Mar 23, 2017
European search opinion
Search/Exam
Mar 23, 2017
European search report
Search/Exam
Mar 23, 2017
Information on Search Strategy
Search/Exam
Mar 8, 2017
Search started
Search/Exam
Nov 29, 2016
Communication to designated inventor
Search/Exam
Nov 29, 2016
Communication to designated inventor
Search/Exam
Oct 6, 2016
Abstract
Search/Exam
Oct 6, 2016
Oct 6, 2016
Claims
Search/Exam
Oct 6, 2016
Description
Search/Exam
Oct 6, 2016
Designation of inventor
Search/Exam
Oct 6, 2016
Drawings
Search/Exam
Oct 6, 2016
Request for grant of a European patent
Search/Exam