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The patent EP3741818 was granted to Swimc on Jul 16, 2025. The application was filed on Dec 23, 2015 under application number EP20178787A. 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 |
|---|---|---|---|
| PPG INDUSTRIES | May 30, 2023 | APPLEYARD LEES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | WO2010097353 |
| OPPOSITION | WO2012089746 |
| OPPOSITION | WO2013098218 |
| OPPOSITION | WO2014139971 |
| OPPOSITION | WO2014139973 |
| OPPOSITION | WO2022147004 |
| OPPOSITION | WO8912618 |
| SEARCH | WO2014139971 |
| SEARCH | WO2015002958 |
| SEARCH | WO2015002961 |
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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Decision to grant a European patent
Search/Exam
Jul 28, 2022
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Jul 22, 2022
(Electronic) Receipt
Search/Exam
Jul 22, 2022
Filing of the translations of the claims
Search/Exam
Jul 22, 2022
French translation of claims
Search/Exam
Jul 22, 2022
German translation of the claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
Mar 22, 2022
Text intended for grant (clean copy)
Search/Exam
Mar 22, 2022
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(Electronic) Receipt
Search/Exam
Oct 22, 2021
Amended description with annotations
Search/Exam
Oct 22, 2021
Description
Search/Exam
Oct 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 22, 2021
Jun 25, 2021
Annex to the communication
Search/Exam
Jun 25, 2021
Communication from the Examining Division
Search/Exam
Jun 14, 2021
Examination started
Search/Exam
May 25, 2021
(Electronic) Receipt
Search/Exam
May 25, 2021
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Amended claims with annotations
Search/Exam
May 25, 2021
Amendments received before examination
Search/Exam
May 25, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 30, 2020
Oct 28, 2020
Notification of forthcoming publication
Search/Exam
Oct 23, 2020
Refund of fees
Search/Exam
Oct 21, 2020
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European search opinion
Search/Exam
Oct 21, 2020
European search report
Search/Exam
Oct 21, 2020
Information on Search Strategy
Search/Exam
Sep 9, 2020
Communication to designated inventor
Search/Exam
Sep 9, 2020
Communication to designated inventor
Search/Exam
Aug 26, 2020
(Electronic) Receipt
Search/Exam
Aug 26, 2020
Designation of inventor
Search/Exam
Aug 26, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 26, 2020
Letter concerning the inventor
Search/Exam
Jul 29, 2020
Deficiency in designation of inventor
Search/Exam
Jun 8, 2020
Abstract
Search/Exam
Jun 8, 2020
Jun 8, 2020
Amended claims with annotations
Search/Exam
Jun 8, 2020
Annex
Search/Exam
Jun 8, 2020
Claims
Search/Exam
Jun 8, 2020
Description
Search/Exam
Jun 8, 2020
Drawings
Search/Exam
Jun 8, 2020
Request for grant of a European patent
Search/Exam
Jul 21, 2016