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The patent EP4028371 was granted to Metten on Sep 27, 2023. The application was filed on Aug 20, 2020 under application number EP20760813A. 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 |
|---|---|---|---|
| BERDING BETON | Jun 27, 2024 | MANASSE | ADMISSIBLE |
| GODELMANN | Jun 26, 2024 | GLUCK KRITZENBERGER PATENTANWALTE PARTGMBB | ADMISSIBLE |
| HEIDELBERG MATERIALS | Jun 26, 2024 | ZELLENTIN & PARTNER MBB PATENTANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1081114 |
| DESCRIPTION | EP1236702 |
| DESCRIPTION | EP2910354 |
| DESCRIPTION | WO2008012438 |
| DESCRIPTION | WO2014067721 |
| INTERNATIONAL-SEARCH-REPORT | DE102010029588 |
| INTERNATIONAL-SEARCH-REPORT | DE102012105975 |
| INTERNATIONAL-SEARCH-REPORT | DE10331758 |
| INTERNATIONAL-SEARCH-REPORT | DE202019102157U |
| INTERNATIONAL-SEARCH-REPORT | EP2543649 |
| INTERNATIONAL-SEARCH-REPORT | EP2597073 |
| INTERNATIONAL-SEARCH-REPORT | WO2016005566 |
| INTERNATIONAL-SEARCH-REPORT | WO9726423 |
| OPPOSITION | CN101138859 |
| OPPOSITION | CN107352865 |
| OPPOSITION | DE102004062656 |
| OPPOSITION | DE102008033447 |
| OPPOSITION | DE102009045112 |
| OPPOSITION | DE102010029588 |
| OPPOSITION | DE102012105975 |
| OPPOSITION | DE102014010259 |
| OPPOSITION | DE10331758 |
| OPPOSITION | DE1471534 |
| OPPOSITION | DE202019102157U |
| OPPOSITION | EP1081114 |
| OPPOSITION | EP1236702 |
| OPPOSITION | EP2543649 |
| OPPOSITION | EP2597073 |
| OPPOSITION | EP2812292 |
| OPPOSITION | EP2910354 |
| OPPOSITION | US2011271876 |
| OPPOSITION | WO2005049522 |
| OPPOSITION | WO2010079414 |
| OPPOSITION | WO2014067721 |
| OPPOSITION | WO2016005566 |
| OPPOSITION | WO2016030904 |
| OPPOSITION | WO2020084481 |
| OPPOSITION | WO9726423 |
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.
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Description
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Oct 10, 2023
Aug 31, 2023
Decision to grant a European patent
Search/Exam
Aug 22, 2023
(Electronic) Receipt
Search/Exam
Aug 22, 2023
English translation of the claims
Search/Exam
Aug 22, 2023
Filing of the translations of the claims
Search/Exam
Aug 22, 2023
French translation of claims
Search/Exam
Aug 22, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2023
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Intention to grant (signatures)
Search/Exam
Apr 14, 2023
Text intended for grant (clean copy)
Search/Exam
Apr 14, 2023
Feb 28, 2023
Annex to the communication
Search/Exam
Feb 28, 2023
Feb 28, 2023
Feb 23, 2023
(Electronic) Receipt
Search/Exam
Feb 23, 2023
Amended claims with annotations
Search/Exam
Feb 23, 2023
Claims
Search/Exam
Feb 23, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 23, 2023
Feb 8, 2023
Examination started
Search/Exam
Jan 6, 2023
(Electronic) Receipt
Search/Exam
Jan 6, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 6, 2023
Priority search results
Search/Exam
Jan 6, 2023
Dec 9, 2022
Oct 25, 2022
(Electronic) Receipt
Search/Exam
Oct 25, 2022
Oct 25, 2022
Amended claims with annotations
Search/Exam
Oct 25, 2022
Oct 25, 2022
Amended description with annotations
Search/Exam
Oct 25, 2022
Amendments received before examination
Search/Exam
Oct 25, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 22, 2022
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Mar 10, 2022
(Electronic) Receipt
Search/Exam
Mar 10, 2022
Request for entry into the European phase
Search/Exam
Jan 21, 2022
Information on entry into European phase
Search/Exam
Dec 9, 2021
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Notification of the recording of a change
Search/Exam
Dec 1, 2021
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Aug 12, 2021
Notification of election of EPO
Search/Exam
Jul 30, 2021
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Annex
PCT2
Jul 13, 2021
PCT demand form
PCT2
Jul 13, 2021
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Mar 18, 2021
Copy of the international search report
Search/Exam
Mar 18, 2021
Copy of the international search report
Search/Exam
Mar 18, 2021
Published international application - A1
Search/Exam
Nov 19, 2020
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Aug 20, 2020
Abstract
PCTRO
Aug 20, 2020
Claims
PCTRO
Aug 20, 2020
Description
PCTRO
Aug 20, 2020
Aug 20, 2020