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The patent EP3727231 was granted to Coloplast on Mar 12, 2025. The application was filed on Dec 20, 2018 under application number EP18833605A. 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 |
|---|---|---|---|
| HOLLISTER INCORPORATED | Dec 1, 2022 | FRKELLY | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2013324952 |
| INTERNATIONAL-SEARCH-REPORT | US2017140103 |
| INTERNATIONAL-SEARCH-REPORT | US2017340474 |
| INTERNATIONAL-SEARCH-REPORT | US6171289 |
| OPPOSITION | EP3064179 |
| OPPOSITION | US2013324952 |
| OPPOSITION | US2014275854 |
| OPPOSITION | US2017140103 |
| OPPOSITION | US2017340474 |
| OPPOSITION | US6171289 |
| OPPOSITION | WO2015094064 |
| OPPOSITION | WO2019094635 |
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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Feb 13, 2025
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Refund of fees
Appeal
Oct 15, 2024
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(Electronic) Receipt
Appeal
Oct 10, 2024
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Withdrawal of an appeal
Appeal
Aug 20, 2024
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(Electronic) Receipt
Appeal
Aug 14, 2024
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Jan 21, 2022
(Electronic) Receipt
Search/Exam
Jan 21, 2022
Filing of the translations of the claims
Search/Exam
Jan 21, 2022
French translation of claims
Search/Exam
Jan 21, 2022
German translation of the claims
Search/Exam
Nov 12, 2021
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Intention to grant (signatures)
Search/Exam
Nov 12, 2021
Text intended for grant (clean copy)
Search/Exam
Nov 12, 2021
Oct 16, 2021
(Electronic) Receipt
Search/Exam
Oct 16, 2021
Amended claims with annotations
Search/Exam
Oct 16, 2021
Claims
Search/Exam
Oct 16, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 16, 2021
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Intention to grant (signatures)
Search/Exam
Sep 9, 2021
Text intended for grant (clean copy)
Search/Exam
Sep 9, 2021
Jul 26, 2021
Examination started
Search/Exam
Feb 9, 2021
(Electronic) Receipt
Search/Exam
Feb 9, 2021
Abstract
Search/Exam
Feb 9, 2021
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Amended claims with annotations
Search/Exam
Feb 9, 2021
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Amended description with annotations
Search/Exam
Feb 9, 2021
Amendments received before examination
Search/Exam
Feb 9, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2020
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Jul 29, 2020
Communication to designated inventor
Search/Exam
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(Electronic) Receipt
Search/Exam
Jun 16, 2020
Request for entry into the European phase
Search/Exam
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Information on entry into European phase
Search/Exam
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Notification of election of EPO
Search/Exam
Nov 5, 2019
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PCT demand form
PCT2
Oct 16, 2019
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Jul 18, 2019
Jun 27, 2019
Copy of the international search report
Search/Exam
Jun 27, 2019
Published international application - A1
Search/Exam
Apr 16, 2019
ISR: cited documents
PCTISA
Apr 16, 2019
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Jan 29, 2019
Jan 10, 2019
Abstract
PCTISA
Jan 10, 2019
Claims
PCTISA
Jan 10, 2019
Description
PCTISA
Jan 10, 2019
Drawings
PCTISA
Jan 10, 2019