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The patent EP3490921 was granted to Conductix Wampfler on Nov 27, 2019. The application was filed on May 3, 2018 under application number EP18722031A. 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 |
|---|---|---|---|
| IGUS | Aug 27, 2020 | LIPPERT STACHOW PATENTANWALTE RECHTSANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN202142764U |
| DESCRIPTION | DE202006009750U |
| DESCRIPTION | DE202015004918U |
| DESCRIPTION | DE3815033 |
| DESCRIPTION | US2013076902 |
| DESCRIPTION | US9620896 |
| DESCRIPTION | WO2014131826 |
| INTERNATIONAL-SEARCH-REPORT | CN202142764U |
| INTERNATIONAL-SEARCH-REPORT | CN205634666U |
| INTERNATIONAL-SEARCH-REPORT | DE102008024572 |
| INTERNATIONAL-SEARCH-REPORT | DE102011002334 |
| INTERNATIONAL-SEARCH-REPORT | DE202015004918U |
| INTERNATIONAL-SEARCH-REPORT | US5306999 |
| INTERNATIONAL-SEARCH-REPORT | WO2014131826 |
| OPPOSITION | CN203715092U |
| OPPOSITION | DE102008024572 |
| OPPOSITION | DE102014105228 |
| OPPOSITION | DE202015004918U |
| OPPOSITION | DE3815033 |
| OPPOSITION | US2013076902 |
| OPPOSITION | US5306999 |
| OPPOSITION | WO2012116919 |
| OPPOSITION | WO2012116920 |
| OPPOSITION | WO2014131826 |
| OPPOSITION | WO2015118014 |
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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Refund of fees
Appeal
Aug 1, 2025
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Refund of fees
Appeal
Jul 2, 2025
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(Electronic) Receipt
Appeal
Jun 13, 2025
(Electronic) Receipt
Appeal
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Withdrawal of an appeal
Appeal
Jun 13, 2025
Withdrawal of an appeal
Appeal
May 26, 2025
May 20, 2025
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
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(Electronic) Receipt
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Appeal
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Appeal
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Appeal
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Appeal
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Appeal
Oct 2, 2023
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Reply to appeal
Appeal
Sep 27, 2023
(Electronic) Receipt
Appeal
Sep 27, 2023
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Reply to appeal
Appeal
May 22, 2023
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(Electronic) Receipt
Appeal
May 12, 2023
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Mar 9, 2023
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Notice of appeal
Appeal
Mar 2, 2023
(Electronic) Receipt
Appeal
Mar 2, 2023
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Notice of appeal
Appeal
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Means of redress
OPPO
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General enquiry
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Decision to grant a European patent
Search/Exam
Oct 15, 2019
Oct 15, 2019
Oct 15, 2019
Intention to grant (signatures)
Search/Exam
Oct 15, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 15, 2019
Sep 12, 2019
(Electronic) Receipt
Search/Exam
Sep 12, 2019
Claims
Search/Exam
Sep 12, 2019
English translation of the claims
Search/Exam
Sep 12, 2019
French translation of claims
Search/Exam
Sep 12, 2019
Letter accompanying subsequently filed items
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Sep 12, 2019
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Intention to grant (signatures)
Search/Exam
Jul 12, 2019
Text intended for grant (clean copy)
Search/Exam
Jul 12, 2019
Jun 17, 2019
Examination started
Search/Exam
May 8, 2019
Mar 29, 2019
Mar 14, 2019
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Communication to designated inventor
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Mar 11, 2019
Communication to designated inventor
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Mar 11, 2019
Communication to designated inventor
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Mar 11, 2019
Communication to designated inventor
Search/Exam
Feb 28, 2019
(Electronic) Receipt
Search/Exam
Feb 28, 2019
Feb 28, 2019
Amended claims with annotations
Search/Exam
Feb 28, 2019
Feb 28, 2019
Amended description with annotations
Search/Exam
Feb 28, 2019
Amendments received before examination
Search/Exam
Feb 28, 2019
Priority search results
Search/Exam
Feb 28, 2019
Request for entry into the European phase
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Jan 11, 2019
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Notification of the recording of a change
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Jan 11, 2019
Notification of the recording of a change
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Jan 11, 2019
Notification of the recording of a change
Search/Exam
Dec 6, 2018
Nov 15, 2018
Copy of the international search report
Search/Exam
Nov 15, 2018
Copy of the international search report
Search/Exam
Nov 15, 2018
Published international application - A1
Search/Exam
Aug 1, 2018
Aug 1, 2018
Aug 1, 2018
May 28, 2018
May 22, 2018
May 3, 2018
(Electronic) Receipt
PCTRO
May 3, 2018
Abstract
PCTRO
May 3, 2018
Claims
PCTRO
May 3, 2018
Description
PCTRO
May 3, 2018
May 3, 2018
Drawings
PCTRO
May 3, 2018