The weekly litigation news digest is live. Subscribe now
The patent EP3239431 was granted to Halfen on Mar 5, 2025. The application was filed on Apr 26, 2016 under application number EP16167150A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| POHLCON | Dec 12, 2019 | GULDE & PARTNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102010015262 |
| DESCRIPTION | DE102010051557 |
| OPPOSITION | DE102004001209 |
| OPPOSITION | DE102010051557 |
| OPPOSITION | DE102012004423 |
| OPPOSITION | DE202012001462U |
| OPPOSITION | DE2201621 |
| OPPOSITION | DE2603271 |
| OPPOSITION | DE3213899 |
| OPPOSITION | DE3910286 |
| OPPOSITION | DE8605257U |
| OPPOSITION | EP0507675 |
| OPPOSITION | EP2218846 |
| OPPOSITION | FR2610969 |
| OPPOSITION | FR2651817 |
| OPPOSITION | FR2802561 |
| OPPOSITION | NL1034127C |
| SEARCH | DE102004001209 |
| SEARCH | DE8524910U |
| SEARCH | FR2958956 |
| SEARCH | US2011185659 |
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
Feb 6, 2025
Feb 6, 2025
Jan 30, 2025
Jan 30, 2025
Jan 30, 2025
Jan 30, 2025
Jan 30, 2025
Nov 7, 2024
Nov 7, 2024
Nov 4, 2024
Oct 29, 2024
Oct 29, 2024
Oct 29, 2024
Oct 11, 2024
(Electronic) Receipt
Appeal
Oct 11, 2024
Oct 11, 2024
Oct 11, 2024
Oct 11, 2024
Oct 11, 2024
Sep 24, 2024
Sep 24, 2024
Sep 24, 2024
Sep 24, 2024
Sep 19, 2024
Sep 13, 2024
(Electronic) Receipt
Appeal
Sep 13, 2024
Sep 13, 2024
Aug 9, 2024
Aug 9, 2024
Jul 22, 2024
Jul 17, 2024
(Electronic) Receipt
Appeal
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 17, 2024
Jul 15, 2024
Jul 10, 2024
(Electronic) Receipt
Appeal
Jul 10, 2024
Jul 10, 2024
Jun 14, 2024
Jun 14, 2024
Jun 11, 2024
Apr 2, 2024
Apr 2, 2024
Apr 2, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Dec 21, 2023
Jul 4, 2023
Dec 8, 2022
Dec 2, 2022
(Electronic) Receipt
Appeal
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Reply to appeal
Appeal
Sep 6, 2022
Sep 6, 2022
Aug 29, 2022
Aug 29, 2022
Aug 26, 2022
Aug 25, 2022
Aug 25, 2022
Aug 25, 2022
Aug 24, 2022
Aug 22, 2022
Apr 19, 2022
Advice of delivery
Search/Exam
Apr 19, 2022
Apr 19, 2022
Apr 12, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Means of redress
OPPO
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Apr 11, 2022
Jan 14, 2022
Notice of appeal
Appeal
Jan 12, 2022
Notice of appeal
Appeal
Dec 22, 2021
Dec 6, 2021
Oct 19, 2021
Oct 13, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Oct 7, 2021
Aug 25, 2021
Aug 24, 2021
Aug 23, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Aug 19, 2021
Jun 25, 2021
Jun 25, 2021
Dec 2, 2020
Nov 27, 2020
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Nov 23, 2020
Jun 26, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Jun 23, 2020
Feb 14, 2020
Feb 14, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Feb 6, 2020
Jan 9, 2020
Jan 9, 2020
Jan 8, 2020
Jan 7, 2020
Dec 18, 2019
Dec 16, 2019
Dec 16, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Dec 12, 2019
Mar 25, 2019
Feb 14, 2019
Decision to grant a European patent
Search/Exam
Jan 28, 2019
(Electronic) Receipt
Search/Exam
Jan 28, 2019
English translation of the claims
Search/Exam
Jan 28, 2019
French translation of claims
Search/Exam
Jan 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2018
Oct 8, 2018
Oct 8, 2018
Intention to grant (signatures)
Search/Exam
Oct 8, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 8, 2018
Jun 20, 2018
Examination started
Search/Exam
Mar 16, 2018
(Electronic) Receipt
Search/Exam
Mar 16, 2018
Mar 16, 2018
Amended claims with annotations
Search/Exam
Mar 16, 2018
Mar 16, 2018
Amended description with annotations
Search/Exam
Mar 16, 2018
Amendments received before examination
Search/Exam
Mar 16, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2017
Oct 5, 2017
Notification of forthcoming publication
Search/Exam
Jun 2, 2017
Communication to designated inventor
Search/Exam
May 16, 2017
Letter concerning the inventor
Search/Exam
May 8, 2017
Apr 26, 2017
Letter which had not been notified
Search/Exam
Mar 15, 2017
Communication to designated inventor
Search/Exam
Mar 15, 2017
Communication to designated inventor
Search/Exam
Mar 15, 2017
Communication to designated inventor
Search/Exam
Mar 15, 2017
Communication to designated inventor
Search/Exam
Mar 15, 2017
Communication to designated inventor
Search/Exam
Mar 15, 2017
Communication to designated inventor
Search/Exam
Mar 15, 2017
Communication to designated inventor
Search/Exam
Mar 15, 2017
Communication to designated inventor
Search/Exam
Feb 17, 2017
Designation of inventor
Search/Exam
Feb 17, 2017
Letter concerning the inventor
Search/Exam
Sep 29, 2016
Sep 29, 2016
European search opinion
Search/Exam
Sep 29, 2016
European search report
Search/Exam
Sep 29, 2016
Information on Search Strategy
Search/Exam
Sep 12, 2016
Search started
Search/Exam
Jun 1, 2016
Deficiency in designation of inventor
Search/Exam
Apr 26, 2016
Abstract
Search/Exam
Apr 26, 2016
Apr 26, 2016
Claims
Search/Exam
Apr 26, 2016
Description
Search/Exam
Apr 26, 2016
Drawings
Search/Exam
Apr 26, 2016
Request for grant of a European patent
Search/Exam