The weekly litigation news digest is live. Subscribe now
The patent EP3372631 was granted to Armacell Enterprise on Jun 16, 2021. The application was originally filed on Mar 8, 2017 under application number EP17159803A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| KAIMANN | Mar 16, 2022 | HOFFMANN EITLE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2261305 |
| DESCRIPTION | EP2450398 |
| DESCRIPTION | EP2910838 |
| DESCRIPTION | US2004126562 |
| DESCRIPTION | US2011184107 |
| DESCRIPTION | US2016009888 |
| DESCRIPTION | US2016229970 |
| DESCRIPTION | US4355126 |
| DESCRIPTION | US4873276 |
| DESCRIPTION | US8889770 |
| DESCRIPTION | WO2016165984 |
| EXAMINATION | US2016251491 |
| OPPOSITION | DE2519576 |
| OPPOSITION | EP1860155 |
| OPPOSITION | EP2003158 |
| OPPOSITION | EP2053091 |
| OPPOSITION | EP2261305 |
| OPPOSITION | EP2450398 |
| OPPOSITION | EP2727962 |
| OPPOSITION | US2015329687 |
| OPPOSITION | US2015337125 |
| OPPOSITION | US9045631 |
| OPPOSITION | US9093197 |
| OPPOSITION | WO2010149353 |
| OPPOSITION | WO2013095992 |
| OPPOSITION | WO2015067563 |
| OPPOSITION | WO2015123042 |
| SEARCH | EP3006491 |
| SEARCH | KR101616938B |
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
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Means of redress
OPPO
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Jan 3, 2024
Dec 6, 2023
Dec 5, 2023
Dec 5, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Dec 4, 2023
Dec 1, 2023
Dec 1, 2023
Dec 1, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 22, 2023
Nov 22, 2023
Nov 22, 2023
Oct 11, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Oct 5, 2023
Sep 21, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Sep 18, 2023
Dec 16, 2022
Dec 16, 2022
Nov 16, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Nov 14, 2022
Aug 16, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Aug 9, 2022
Jun 10, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Jun 3, 2022
Apr 25, 2022
Apr 25, 2022
Apr 25, 2022
Apr 1, 2022
Apr 1, 2022
Apr 1, 2022
Mar 30, 2022
Mar 30, 2022
Mar 22, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Mar 16, 2022
Jun 29, 2021
May 20, 2021
Decision to grant a European patent
Search/Exam
May 5, 2021
(Electronic) Receipt
Search/Exam
May 5, 2021
Filing of the translations of the claims
Search/Exam
May 5, 2021
French translation of claims
Search/Exam
May 5, 2021
German translation of the claims
Search/Exam
May 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 12, 2021
Mar 11, 2021
Intention to grant (signatures)
Search/Exam
Jan 20, 2021
Amended claims with annotations
Search/Exam
Jan 20, 2021
Claims
Search/Exam
Jan 20, 2021
Nov 17, 2020
Nov 9, 2020
Jul 14, 2020
Annex to the communication
Search/Exam
Jul 14, 2020
Communication from the Examining Division
Search/Exam
Mar 27, 2020
Nov 27, 2019
Annex to the communication
Search/Exam
Nov 27, 2019
Communication from the Examining Division
Search/Exam
Nov 20, 2019
Examination started
Search/Exam
Jul 2, 2019
(Electronic) Receipt
Search/Exam
Jul 2, 2019
Jul 2, 2019
Amended claims with annotations
Search/Exam
Jul 2, 2019
Jul 2, 2019
Amended description with annotations
Search/Exam
Jul 2, 2019
Amendments received before examination
Search/Exam
Jul 2, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2019
Mar 11, 2019
(Electronic) Receipt
Search/Exam
Mar 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 17, 2018
Aug 16, 2018
Notification of forthcoming publication
Search/Exam
Jul 17, 2017
Jul 17, 2017
European search opinion
Search/Exam
Jul 17, 2017
European search report
Search/Exam
Jul 17, 2017
Information on Search Strategy
Search/Exam
Jun 30, 2017
Search started
Search/Exam
May 3, 2017
Communication to designated inventor
Search/Exam
May 3, 2017
Communication to designated inventor
Search/Exam
Mar 8, 2017
Abstract
Search/Exam
Mar 8, 2017
Mar 8, 2017
Claims
Search/Exam
Mar 8, 2017
Description
Search/Exam
Mar 8, 2017
Designation of inventor
Search/Exam
Mar 8, 2017
Request for grant of a European patent
Search/Exam