The weekly litigation news digest is live. Subscribe now
The patent EP3834689 was granted to Bissell on Jul 19, 2023. The application was filed on Oct 27, 2016 under application number EP20217408A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| HAMPTON KNOWLES | Apr 19, 2024 | D YOUNG | ADMISSIBLE |
| VAX TECHTRONIC CORDLESS GP | Apr 18, 2024 | FORRESTERS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2805659 |
| OPPOSITION | US2002092122 |
| OPPOSITION | US2008092325 |
| OPPOSITION | US2910721 |
| OPPOSITION | US7979952 |
| OPPOSITION | WO2014095614 |
| SEARCH | EP2805659 |
| SEARCH | GB2334668 |
| SEARCH | GB2423240 |
| SEARCH | US2008092325 |
| SEARCH | US4728942 |
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
Get instant alerts for new documents
Nov 13, 2025
Nov 13, 2025
Nov 13, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Aug 7, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 21, 2025
Jul 21, 2025
Jul 21, 2025
Dec 23, 2024
Dec 23, 2024
Dec 23, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Sep 12, 2024
Sep 12, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
Sep 9, 2024
May 29, 2024
May 29, 2024
May 8, 2024
May 8, 2024
May 7, 2024
May 7, 2024
May 7, 2024
May 3, 2024
May 3, 2024
May 3, 2024
Apr 25, 2024
Apr 23, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 19, 2024
Apr 18, 2024
Apr 18, 2024
Apr 18, 2024
Apr 18, 2024
Apr 18, 2024
Apr 18, 2024
Apr 18, 2024
Aug 1, 2023
Jun 22, 2023
Decision to grant a European patent
Search/Exam
Jun 9, 2023
(Electronic) Receipt
Search/Exam
Jun 9, 2023
Filing of the translations of the claims
Search/Exam
Jun 9, 2023
French translation of claims
Search/Exam
Jun 9, 2023
German translation of the claims
Search/Exam
Jun 9, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 30, 2023
Jan 30, 2023
Jan 30, 2023
Jan 30, 2023
Intention to grant (signatures)
Search/Exam
Jan 30, 2023
Text intended for grant (clean copy)
Search/Exam
Jan 30, 2023
Nov 14, 2022
(Electronic) Receipt
Search/Exam
Nov 14, 2022
Amended claims with annotations
Search/Exam
Nov 14, 2022
Amended description with annotations
Search/Exam
Nov 14, 2022
Claims
Search/Exam
Nov 14, 2022
Description
Search/Exam
Nov 14, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 14, 2022
Aug 9, 2022
Annex to the communication
Search/Exam
Aug 9, 2022
Communication from the Examining Division
Search/Exam
Jun 2, 2022
(Electronic) Receipt
Search/Exam
Jun 2, 2022
Amended claims with annotations
Search/Exam
Jun 2, 2022
Claims
Search/Exam
Jun 2, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 2, 2022
Mar 23, 2022
Annex to the communication
Search/Exam
Mar 23, 2022
Communication from the Examining Division
Search/Exam
Mar 18, 2022
Examination started
Search/Exam
Dec 7, 2021
(Electronic) Receipt
Search/Exam
Dec 7, 2021
Dec 7, 2021
Amended claims with annotations
Search/Exam
Dec 7, 2021
Dec 7, 2021
Amended description with annotations
Search/Exam
Dec 7, 2021
Amendments received before examination
Search/Exam
Dec 7, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 28, 2021
Sep 22, 2021
Sep 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 1, 2021
Sep 1, 2021
Jun 21, 2021
May 25, 2021
Refund of fees
Search/Exam
May 19, 2021
May 19, 2021
European search opinion
Search/Exam
May 19, 2021
European search report
Search/Exam
May 19, 2021
Information on Search Strategy
Search/Exam
May 19, 2021
Notification of forthcoming publication
Search/Exam
May 4, 2021
Search started
Search/Exam
Mar 22, 2021
Communication to designated inventor
Search/Exam
Mar 22, 2021
Communication to designated inventor
Search/Exam
Mar 22, 2021
Communication to designated inventor
Search/Exam
Mar 22, 2021
Communication to designated inventor
Search/Exam
Mar 22, 2021
Communication to designated inventor
Search/Exam
Mar 22, 2021
Communication to designated inventor
Search/Exam
Mar 22, 2021
Communication to designated inventor
Search/Exam
Mar 22, 2021
Communication to designated inventor
Search/Exam
Mar 22, 2021
Communication to designated inventor
Search/Exam
Mar 22, 2021
Communication to designated inventor
Search/Exam
Dec 28, 2020
Abstract
Search/Exam
Dec 28, 2020
Dec 28, 2020
Claims
Search/Exam
Dec 28, 2020
Description
Search/Exam
Dec 28, 2020
Designation of inventor
Search/Exam
Dec 28, 2020
Drawings
Search/Exam
Dec 28, 2020
Request for grant of a European patent
Search/Exam
Feb 15, 2017