The weekly litigation news digest is live. Subscribe now
The patent EP3240404 was granted to Imertech on Feb 5, 2020. The application was filed on Dec 23, 2015 under application number EP15817524A. 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 |
|---|---|---|---|
| SCHAEFER KALK | Oct 30, 2020 | MAI BESIER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | KR20120108719 |
| INTERNATIONAL-SEARCH-REPORT | WO0064259 |
| INTERNATIONAL-SEARCH-REPORT | WO2006114385 |
| INTERNATIONAL-SEARCH-REPORT | WO2008150867 |
| INTERNATIONAL-SEARCH-REPORT | WO2009058707 |
| INTERNATIONAL-SEARCH-REPORT | WO2012114130 |
| OPPOSITION | EP2016825 |
| OPPOSITION | US2005022328 |
| OPPOSITION | US2008047894 |
| OPPOSITION | US2010034900 |
| OPPOSITION | US2010255281 |
| OPPOSITION | US2010260866 |
| OPPOSITION | US5266534 |
| OPPOSITION | US5413788 |
| OPPOSITION | US5503840 |
| OPPOSITION | US6093414 |
| OPPOSITION | US6719987 |
| OPPOSITION | US7344726 |
| OPPOSITION | US7354605 |
| OPPOSITION | US8147861 |
| OPPOSITION | US8753561 |
| OPPOSITION | WO03024494 |
| OPPOSITION | WO2008150867 |
| OPPOSITION | WO2009045941 |
| OPPOSITION | WO2009121970 |
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
Jun 10, 2022
Jun 10, 2022
Jun 7, 2022
Mar 1, 2022
Feb 24, 2022
Feb 24, 2022
Feb 24, 2022
Feb 24, 2022
Feb 24, 2022
Means of redress
OPPO
Feb 24, 2022
Feb 24, 2022
Aug 24, 2021
Aug 16, 2021
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Jul 12, 2021
Dec 2, 2020
Nov 30, 2020
Nov 20, 2020
Nov 20, 2020
Nov 6, 2020
Nov 6, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Oct 30, 2020
Feb 17, 2020
Jan 10, 2020
Decision to grant a European patent
Search/Exam
Nov 13, 2019
(Electronic) Receipt
Search/Exam
Nov 13, 2019
Filing of the translations of the claims
Search/Exam
Nov 13, 2019
French translation of claims
Search/Exam
Nov 13, 2019
German translation of the claims
Search/Exam
Jul 4, 2019
Jul 4, 2019
Jul 4, 2019
Intention to grant (signatures)
Search/Exam
Jul 4, 2019
Text intended for grant (clean copy)
Search/Exam
Jul 4, 2019
Apr 25, 2019
Submission concerning representation
Search/Exam
Jan 15, 2019
Dec 21, 2018
Dec 20, 2018
(Electronic) Receipt
Search/Exam
Dec 20, 2018
Amended claims with annotations
Search/Exam
Dec 20, 2018
Amended description with annotations
Search/Exam
Dec 20, 2018
Claims
Search/Exam
Dec 20, 2018
Description
Search/Exam
Dec 20, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 20, 2018
Aug 23, 2018
Annex to the communication
Search/Exam
Aug 23, 2018
Communication from the Examining Division
Search/Exam
Aug 3, 2018
(Electronic) Receipt
Search/Exam
Aug 3, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 3, 2018
Aug 3, 2018
May 29, 2018
Annex to the communication
Search/Exam
May 29, 2018
Communication from the Examining Division
Search/Exam
May 23, 2018
Examination started
Search/Exam
Feb 19, 2018
(Electronic) Receipt
Search/Exam
Feb 19, 2018
Feb 19, 2018
Amended claims with annotations
Search/Exam
Feb 19, 2018
Amendments received before examination
Search/Exam
Feb 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2017
Aug 9, 2017
Aug 4, 2017
Communication to designated inventor
Search/Exam
Aug 4, 2017
Communication to designated inventor
Search/Exam
Jul 18, 2017
Jun 29, 2017
(Electronic) Receipt
Search/Exam
Jun 29, 2017
Request for entry into the European phase
Search/Exam
May 12, 2017
Information on entry into European phase
Search/Exam
Sep 15, 2016
Copy of the international search report
Search/Exam
Sep 15, 2016
Jul 26, 2016
Jul 20, 2016
ISR: cited documents
PCTISA
Jul 18, 2016
Jul 18, 2016
Jul 18, 2016
Jul 7, 2016
Published international application - A2
Search/Exam
Apr 26, 2016
Jan 18, 2016
Jan 4, 2016
Abstract
PCTISA
Jan 4, 2016
Claims
PCTISA
Jan 4, 2016
Description
PCTISA
Jan 4, 2016
Drawings
PCTISA
Jan 4, 2016
Jan 4, 2016
Jan 4, 2016
Jan 4, 2016
Jan 4, 2016