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The patent EP3578273 was granted to MTS Maschinentechnik Schrode on Aug 11, 2021. The application was filed on Jun 4, 2019 under application number EP19178095A. 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 |
|---|---|---|---|
| HELMUT UHRIG STRASSEN UND TIEFBAU | May 10, 2022 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102009018490 |
| OPPOSITION | DE102015006398 |
| OPPOSITION | DE2818801 |
| OPPOSITION | DE69432651T |
| OPPOSITION | EP0987372 |
| OPPOSITION | EP1411175 |
| OPPOSITION | US2004182185 |
| OPPOSITION | US4221499 |
| OPPOSITION | WO2016089353 |
| OPPOSITION | WO2016125007 |
| SEARCH | EP0655532 |
| SEARCH | EP1411175 |
| SEARCH | EP2243881 |
| SEARCH | EP3225743 |
| SEARCH | WO2016089353 |
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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Dec 4, 2025
Dec 3, 2025
(Electronic) Receipt
Appeal
Dec 3, 2025
Dec 3, 2025
Nov 7, 2025
Nov 7, 2025
Nov 4, 2025
Oct 28, 2025
Mar 10, 2025
Mar 6, 2025
(Electronic) Receipt
Appeal
Mar 6, 2025
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Mar 6, 2025
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Mar 6, 2025
Reply to appeal
Appeal
Nov 6, 2024
Oct 31, 2024
(Electronic) Receipt
Appeal
Oct 31, 2024
Oct 31, 2024
Sep 9, 2024
Sep 9, 2024
Sep 3, 2024
(Electronic) Receipt
Appeal
Sep 3, 2024
Sep 3, 2024
Notice of appeal
Appeal
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
Jul 4, 2024
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Jul 4, 2024
Means of redress
OPPO
Jul 4, 2024
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Jun 12, 2024
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Mar 27, 2024
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Oct 11, 2022
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May 10, 2022
May 10, 2022
Aug 24, 2021
Jul 15, 2021
Decision to grant a European patent
Search/Exam
Jul 5, 2021
(Electronic) Receipt
Search/Exam
Jul 5, 2021
English translation of the claims
Search/Exam
Jul 5, 2021
Filing of the translations of the claims
Search/Exam
Jul 5, 2021
French translation of claims
Search/Exam
Jul 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 26, 2021
Mar 26, 2021
Mar 26, 2021
Intention to grant (signatures)
Search/Exam
Mar 26, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 26, 2021
Mar 15, 2021
Annex to the communication
Search/Exam
Mar 15, 2021
Consultation by telephone/in person
Search/Exam
Mar 15, 2021
Mar 11, 2021
Examination started
Search/Exam
Feb 16, 2021
Feb 3, 2021
Annexes in respect of a client data request
Search/Exam
Feb 3, 2021
Annexes in respect of a client data request
Search/Exam
Feb 3, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 3, 2021
Jan 31, 2020
(Electronic) Receipt
Search/Exam
Jan 31, 2020
Jan 31, 2020
Amended claims with annotations
Search/Exam
Jan 31, 2020
Jan 31, 2020
Amended description with annotations
Search/Exam
Jan 31, 2020
Amendments received before examination
Search/Exam
Jan 31, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 16, 2019
Nov 13, 2019
Notification of forthcoming publication
Search/Exam
Oct 31, 2019
Oct 31, 2019
European search opinion
Search/Exam
Oct 31, 2019
European search report
Search/Exam
Oct 31, 2019
Information on Search Strategy
Search/Exam
Sep 19, 2019
Search started
Search/Exam
Jul 26, 2019
Communication to designated inventor
Search/Exam
Jul 26, 2019
Communication to designated inventor
Search/Exam
Jul 26, 2019
Communication to designated inventor
Search/Exam
Jun 27, 2019
Letter concerning the priority
Search/Exam
Jun 27, 2019
Priority document
Search/Exam
Jun 4, 2019
Abstract
Search/Exam
Jun 4, 2019
Jun 4, 2019
Claims
Search/Exam
Jun 4, 2019
Description
Search/Exam
Jun 4, 2019
Designation of inventor
Search/Exam
Jun 4, 2019
Drawings
Search/Exam
Jun 4, 2019
Priority search results
Search/Exam
Jun 4, 2019
Request for grant of a European patent
Search/Exam