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The patent EP3528748 was granted to NVT on Feb 14, 2024. The application was filed on Oct 24, 2017 under application number EP17788212A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| DAUSTER | Oct 18, 2021 | PATENTANWALTE RUFF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2724690 |
| INTERNATIONAL-SEARCH-REPORT | DE10301026 |
| INTERNATIONAL-SEARCH-REPORT | US2015164662 |
| INTERNATIONAL-SEARCH-REPORT | WO0149213 |
| INTERNATIONAL-SEARCH-REPORT | WO2009094188 |
| OPPOSITION | EP0657147 |
| OPPOSITION | EP2926767 |
| OPPOSITION | US2003040792 |
| OPPOSITION | US2003236568 |
| OPPOSITION | US2004082989 |
| OPPOSITION | US2004236411 |
| OPPOSITION | US2005096734 |
| OPPOSITION | US2005222674 |
| OPPOSITION | US2008036113 |
| OPPOSITION | US2008177381 |
| OPPOSITION | US2011125249 |
| OPPOSITION | US2013090714 |
| OPPOSITION | US2014039614 |
| OPPOSITION | US6579314 |
| OPPOSITION | US9693860 |
| OPPOSITION | WO2010006627 |
| OPPOSITION | WO2011051043 |
| OPPOSITION | WO2012032187 |
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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Jan 30, 2024
Refund of fees
Search/Exam
Jan 22, 2024
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Refund of fees
Appeal
Aug 17, 2023
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Aug 11, 2023
(Electronic) Receipt
Appeal
Aug 11, 2023
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Withdrawal of an appeal
Appeal
Aug 10, 2023
(Electronic) Receipt
Appeal
Aug 10, 2023
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Withdrawal of an appeal
Appeal
Jun 19, 2023
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Jun 14, 2023
(Electronic) Receipt
Appeal
Jun 14, 2023
(Electronic) Receipt
Appeal
Jun 14, 2023
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Notice of appeal
Appeal
Jun 14, 2023
Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Dec 7, 2020
(Electronic) Receipt
Search/Exam
Dec 7, 2020
English translation of the claims
Search/Exam
Dec 7, 2020
French translation of claims
Search/Exam
Dec 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 28, 2020
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Intention to grant (signatures)
Search/Exam
Jul 28, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 28, 2020
Jun 22, 2020
Examination started
Search/Exam
Nov 7, 2019
(Electronic) Receipt
Search/Exam
Nov 7, 2019
Nov 7, 2019
Amended description with annotations
Search/Exam
Nov 7, 2019
Amendments received before examination
Search/Exam
Nov 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2019
Jun 24, 2019
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Communication to designated inventor
Search/Exam
May 29, 2019
Communication to designated inventor
Search/Exam
May 29, 2019
Communication to designated inventor
Search/Exam
May 10, 2019
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(Electronic) Receipt
Search/Exam
Apr 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2019
Letter concerning the inventor
Search/Exam
Apr 8, 2019
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Notification of the recording of a change
Search/Exam
Apr 8, 2019
Notification of the recording of a change
Search/Exam
Apr 8, 2019
Notification of the recording of a change
Search/Exam
Mar 28, 2019
(Electronic) Receipt
Search/Exam
Mar 28, 2019
Priority search results
Search/Exam
Mar 28, 2019
Request for entry into the European phase
Search/Exam
Mar 8, 2019
Information on entry into European phase
Search/Exam
Oct 25, 2018
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Notification of election of EPO
Search/Exam
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PCT demand form
PCT2
Aug 20, 2018
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Copy of the international search report
Search/Exam
May 3, 2018
Published international application - A1
Search/Exam
Dec 22, 2017
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(Electronic) Receipt
PCTRO
Nov 21, 2017
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(Electronic) Receipt
PCTRO
Oct 24, 2017
Abstract
PCTRO
Oct 24, 2017
Claims
PCTRO
Oct 24, 2017
Description
PCTRO
Oct 24, 2017
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Drawings
PCTRO
Oct 24, 2017