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The patent EP3744068 was granted to IT Seal on Aug 11, 2021. The application was filed on Dec 16, 2019 under application number EP19832603A. 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 |
|---|---|---|---|
| DR SCHON | May 11, 2022 | FEDER WALTER EBERT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2015288717 |
| INTERNATIONAL-SEARCH-REPORT | US2016036829 |
| INTERNATIONAL-SEARCH-REPORT | US2017126729 |
| OPPOSITION | DE10259206 |
| OPPOSITION | DE19626142 |
| OPPOSITION | US2007079248 |
| OPPOSITION | US2013198846 |
| OPPOSITION | US2014089084 |
| OPPOSITION | US2015288717 |
| OPPOSITION | US2016036829 |
| OPPOSITION | US2017126729 |
| OPPOSITION | US2019014148 |
| OPPOSITION | US2019121841 |
| OPPOSITION | US6718368 |
| OPPOSITION | US9342507 |
| OPPOSITION | US9582501 |
| OPPOSITION | US9749360 |
| OPPOSITION | WO2018194906 |
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
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Sep 25, 2025
Sep 25, 2025
Sep 25, 2025
Sep 22, 2025
Sep 22, 2025
Sep 22, 2025
Sep 15, 2025
Sep 12, 2025
(Electronic) Receipt
Appeal
Sep 12, 2025
Sep 12, 2025
Jul 9, 2025
Jul 4, 2025
(Electronic) Receipt
Appeal
Jul 4, 2025
(Electronic) Receipt
Appeal
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Jul 4, 2025
Mar 5, 2025
Mar 5, 2025
Mar 5, 2025
Feb 28, 2025
May 28, 2024
May 23, 2024
(Electronic) Receipt
Appeal
May 23, 2024
May 23, 2024
Reply to appeal
Appeal
Jan 24, 2024
Jan 19, 2024
(Electronic) Receipt
Appeal
Jan 19, 2024
Jan 19, 2024
Nov 24, 2023
Nov 24, 2023
Nov 18, 2023
(Electronic) Receipt
Appeal
Nov 18, 2023
Nov 18, 2023
Notice of appeal
Appeal
Sep 25, 2023
Sep 22, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Means of redress
OPPO
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
Sep 21, 2023
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Sep 12, 2023
Aug 21, 2023
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Oct 10, 2022
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May 11, 2022
Aug 24, 2021
Aug 2, 2021
Jul 15, 2021
Decision to grant a European patent
Search/Exam
Jun 30, 2021
(Electronic) Receipt
Search/Exam
Jun 30, 2021
English translation of the claims
Search/Exam
Jun 30, 2021
Filing of the translations of the claims
Search/Exam
Jun 30, 2021
French translation of claims
Search/Exam
Jun 30, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2021
Apr 1, 2021
Apr 1, 2021
Intention to grant (signatures)
Search/Exam
Apr 1, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 1, 2021
Mar 5, 2021
Examination started
Search/Exam
Nov 4, 2020
Sep 4, 2020
Communication to designated inventor
Search/Exam
Sep 4, 2020
Communication to designated inventor
Search/Exam
Sep 4, 2020
Aug 27, 2020
(Electronic) Receipt
Search/Exam
Aug 27, 2020
Aug 27, 2020
Amended description with annotations
Search/Exam
Aug 27, 2020
Amendments received before examination
Search/Exam
Aug 27, 2020
Priority search results
Search/Exam
Aug 27, 2020
Request for entry into the European phase
Search/Exam
Aug 11, 2020
Jul 23, 2020
Copy of the international search report
Search/Exam
Jul 23, 2020
Copy of the international search report
Search/Exam
Jul 23, 2020
Published international application - A1
Search/Exam
Jan 20, 2020
Jan 13, 2020
Jan 13, 2020
Dec 19, 2019
Dec 16, 2019
(Electronic) Receipt
PCTRO
Dec 16, 2019
Abstract
PCTRO
Dec 16, 2019
Annex
PCTRO
Dec 16, 2019
Claims
PCTRO
Dec 16, 2019
Description
PCTRO
Dec 16, 2019
Dec 16, 2019
Drawings
PCTRO
Dec 16, 2019