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The patent EP3420264 was granted to Uponor Innovation on Apr 21, 2021. The application was filed on Feb 23, 2017 under application number EP17706809A. 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 |
|---|---|---|---|
| ELYDAN | Jan 19, 2022 | SCHUFFENECKER | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102005045726 |
| DESCRIPTION | US2013149481 |
| DESCRIPTION | WO2014183814 |
| DESCRIPTION | WO9500797 |
| EXAMINATION | DE19817689 |
| EXAMINATION | DE202008002369U |
| INTERNATIONAL-SEARCH-REPORT | EP0949444 |
| INTERNATIONAL-SEARCH-REPORT | GB2397076 |
| INTERNATIONAL-SEARCH-REPORT | US2009007594 |
| INTERNATIONAL-SEARCH-REPORT | US2011129398 |
| INTERNATIONAL-SEARCH-REPORT | US2013149481 |
| INTERNATIONAL-SEARCH-REPORT | US2015375433 |
| OPPOSITION | DE19817689 |
| OPPOSITION | DE202008002369U |
| OPPOSITION | EP0949444 |
| OPPOSITION | GB2397076 |
| OPPOSITION | US2003101683 |
| OPPOSITION | US2003124300 |
| OPPOSITION | US2004045619 |
| OPPOSITION | US2009007594 |
| OPPOSITION | US2011129398 |
| OPPOSITION | US2013149481 |
| OPPOSITION | US2015375433 |
| OPPOSITION | US7802445 |
| OPPOSITION | WO9500797 |
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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Oct 8, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Apr 16, 2024
Apr 16, 2024
Reply to appeal
Appeal
Apr 10, 2024
Dec 19, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Oct 6, 2023
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Notice of appeal
Appeal
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Means of redress
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May 4, 2021
Mar 25, 2021
Decision to grant a European patent
Search/Exam
Mar 11, 2021
(Electronic) Receipt
Search/Exam
Mar 11, 2021
Filing of the translations of the claims
Search/Exam
Mar 11, 2021
French translation of claims
Search/Exam
Mar 11, 2021
German translation of the claims
Search/Exam
Mar 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 13, 2020
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Intention to grant (signatures)
Search/Exam
Nov 13, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 13, 2020
Jul 20, 2020
(Electronic) Receipt
Search/Exam
Jul 20, 2020
Amended claims with annotations
Search/Exam
Jul 20, 2020
Amended description with annotations
Search/Exam
Jul 20, 2020
Claims
Search/Exam
Jul 20, 2020
Description
Search/Exam
Jul 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 20, 2020
Mar 20, 2020
Annex to the communication
Search/Exam
Mar 20, 2020
Communication from the Examining Division
Search/Exam
Mar 12, 2020
Examination started
Search/Exam
Mar 20, 2019
Mar 20, 2019
Amended claims with annotations
Search/Exam
Mar 20, 2019
Mar 20, 2019
Amended description with annotations
Search/Exam
Mar 20, 2019
Amendments received before examination
Search/Exam
Dec 5, 2018
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Communication to designated inventor
Search/Exam
Sep 12, 2018
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(Electronic) Receipt
Search/Exam
Jul 12, 2018
Priority search results
Search/Exam
Jul 12, 2018
Request for entry into the European phase
Search/Exam
Jul 4, 2018
Information on entry into European phase
Search/Exam
Sep 22, 2017
Aug 31, 2017
Copy of the international search report
Search/Exam
Aug 31, 2017
Published international application - A1
Search/Exam
May 3, 2017
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Mar 15, 2017
Mar 3, 2017
Feb 23, 2017
(Electronic) Receipt
PCTRO
Feb 23, 2017
Abstract
PCTRO
Feb 23, 2017
Claims
PCTRO
Feb 23, 2017
Description
PCTRO
Feb 23, 2017
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Drawings
PCTRO
Feb 23, 2017