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The patent EP3827128 was granted to Delta Bloc on Nov 30, 2022. The application was filed on Jul 22, 2019 under application number EP19745083A. 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 |
|---|---|---|---|
| STUDIENGESELLSCHAFT FUR STAHLSCHUTZPLANKEN EV | Aug 29, 2023 | KUHNEN & WACKER PATENT UND RECHTSANWALTSBURO PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE202006015149U |
| INTERNATIONAL-SEARCH-REPORT | FR2555622 |
| INTERNATIONAL-SEARCH-REPORT | KR20120001028U |
| INTERNATIONAL-SEARCH-REPORT | US2014145132 |
| OPPOSITION | DE202006015149U |
| OPPOSITION | FR2555622 |
| OPPOSITION | KR20120001028U |
| OPPOSITION | US2014145132 |
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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Nov 4, 2022
Decision to grant a European patent
Search/Exam
Oct 28, 2022
Decision to allow further processing
Search/Exam
Oct 24, 2022
(Electronic) Receipt
Search/Exam
Oct 24, 2022
English translation of the claims
Search/Exam
Oct 24, 2022
French translation of claims
Search/Exam
Oct 24, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2022
Oct 24, 2022
Request for further processing
Search/Exam
Aug 26, 2022
Jul 13, 2022
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Mar 9, 2022
Intention to grant (signatures)
Search/Exam
Mar 9, 2022
Text intended for grant (clean copy)
Search/Exam
Mar 9, 2022
Feb 11, 2022
Examination started
Search/Exam
May 6, 2021
Mar 5, 2021
Mar 3, 2021
Communication to designated inventor
Search/Exam
Mar 3, 2021
Communication to designated inventor
Search/Exam
Feb 1, 2021
Feb 1, 2021
Jan 4, 2021
(Electronic) Receipt
Search/Exam
Jan 4, 2021
Request for entry into the European phase
Search/Exam
Dec 10, 2020
Information on entry into European phase
Search/Exam
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Notification of the recording of a change
Search/Exam
Mar 4, 2020
Written opinion
PCT2
Mar 4, 2020
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Notification of election of EPO
Search/Exam
Feb 17, 2020
Jan 30, 2020
Copy of the international search report
Search/Exam
Jan 30, 2020
Published international application - A1
Search/Exam
Jan 16, 2020
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PCT demand form
PCT2
Jan 13, 2020
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Oct 16, 2019
ISR: cited documents
PCTISA
Oct 16, 2019
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Jul 26, 2019
Jul 22, 2019
(Electronic) Receipt
PCTRO
Jul 22, 2019
Abstract
PCTRO
Jul 22, 2019
Claims
PCTRO
Jul 22, 2019
Description
PCTRO
Jul 22, 2019
Jul 22, 2019
Drawings
PCTRO
Jul 22, 2019