The weekly litigation news digest is live. Subscribe now
The patent EP3572156 was granted to Solystic on Jul 22, 2020. The application was filed on Apr 25, 2019 under application number EP19171142A. 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 |
|---|---|---|---|
| BEUMER GROUP | Apr 21, 2021 | PLOUGMANN VINGTOFT | ADMISSIBLE |
| SIEMENS | Apr 16, 2021 | SIEMENS PATENT ATTORNEYS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE202015006102U |
| OPPOSITION | EP3205411 |
| OPPOSITION | EP3301624 |
| OPPOSITION | US2006273167 |
| OPPOSITION | US6003009 |
| OPPOSITION | WO2010067132 |
| OPPOSITION | WO2017137106 |
| OPPOSITION | WO2017148550 |
| OPPOSITION | WO9711790 |
| OTHER | EP3301624 |
| SEARCH | WO2017137106 |
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 4, 2025
Nov 4, 2025
Nov 4, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Jul 31, 2025
Means of redress
OPPO
Jul 31, 2025
Jul 31, 2025
Apr 29, 2025
Apr 29, 2025
Apr 29, 2025
Apr 25, 2025
Apr 25, 2025
Apr 23, 2025
Apr 23, 2025
Apr 22, 2025
Apr 22, 2025
Apr 22, 2025
Apr 14, 2025
Apr 14, 2025
Apr 14, 2025
Apr 3, 2025
Apr 2, 2025
Apr 2, 2025
Mar 28, 2025
Mar 27, 2025
Mar 27, 2025
Mar 27, 2025
Mar 26, 2025
Mar 26, 2025
Mar 24, 2025
Mar 24, 2025
Mar 24, 2025
Mar 24, 2025
Mar 21, 2025
Mar 21, 2025
Mar 21, 2025
Mar 19, 2025
Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Feb 14, 2025
Feb 14, 2025
Feb 13, 2025
Feb 13, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
Jan 24, 2025
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 27, 2024
Feb 26, 2024
Feb 26, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Jan 26, 2023
Jan 26, 2023
Nov 3, 2022
Nov 3, 2022
Nov 2, 2022
Oct 25, 2022
Oct 25, 2022
Oct 25, 2022
Aug 30, 2022
Aug 30, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Aug 23, 2022
Jun 3, 2022
May 30, 2022
May 30, 2022
May 30, 2022
May 24, 2022
May 24, 2022
May 20, 2022
May 20, 2022
May 20, 2022
May 13, 2022
May 13, 2022
May 6, 2022
May 6, 2022
May 6, 2022
Jan 10, 2022
Jan 10, 2022
Jan 10, 2022
Jul 26, 2021
Jul 26, 2021
Jul 21, 2021
Jul 21, 2021
Jul 21, 2021
Jul 21, 2021
May 10, 2021
May 10, 2021
May 10, 2021
Apr 27, 2021
Apr 26, 2021
Apr 22, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 21, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Apr 16, 2021
Aug 3, 2020
Jun 25, 2020
Decision to grant a European patent
Search/Exam
Jun 9, 2020
(Electronic) Receipt
Search/Exam
Jun 9, 2020
English translation of the claims
Search/Exam
Jun 9, 2020
Filing of the translations of the claims
Search/Exam
Jun 9, 2020
German translation of the claims
Search/Exam
Jun 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 16, 2020
Apr 16, 2020
Apr 16, 2020
Intention to grant (signatures)
Search/Exam
Apr 16, 2020
Text intended for grant (clean copy)
Search/Exam
Apr 16, 2020
Apr 2, 2020
Examination started
Search/Exam
Mar 13, 2020
(Electronic) Receipt
Search/Exam
Mar 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2020
Jan 30, 2020
Jan 30, 2020
Jan 24, 2020
(Electronic) Receipt
Search/Exam
Jan 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2020
Observations by third parties
Search/Exam
Dec 2, 2019
Oct 30, 2019
Notification of forthcoming publication
Search/Exam
Oct 29, 2019
Refund of fees
Search/Exam
Oct 25, 2019
Oct 25, 2019
European search opinion
Search/Exam
Oct 25, 2019
European search report
Search/Exam
Oct 25, 2019
Information on Search Strategy
Search/Exam
Oct 15, 2019
Search started
Search/Exam
Jul 19, 2019
Communication to designated inventor
Search/Exam
Jul 19, 2019
Communication to designated inventor
Search/Exam
Jul 19, 2019
Communication to designated inventor
Search/Exam
Jun 3, 2019
Letter concerning the priority
Search/Exam
Jun 3, 2019
Priority document
Search/Exam
Apr 25, 2019
Abstract
Search/Exam
Apr 25, 2019
Apr 25, 2019
Claims
Search/Exam
Apr 25, 2019
Description
Search/Exam
Apr 25, 2019
Designation of inventor
Search/Exam
Apr 25, 2019
Drawings
Search/Exam
Apr 25, 2019
Priority search results
Search/Exam
Apr 25, 2019
Request for grant of a European patent
Search/Exam