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The patent EP3820415 was granted to DMT Wellness Solutions Bvba on Jul 5, 2023. The application was filed on Jul 8, 2019 under application number EP19744865A. 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 |
|---|---|---|---|
| AIRPRESSURE BODYFORMING | Apr 4, 2024 | FLUGEL PREISSNER SCHOBER SEIDEL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2007137313 |
| EXAMINATION | WO2011035820 |
| INTERNATIONAL-SEARCH-REPORT | EP3199129 |
| INTERNATIONAL-SEARCH-REPORT | GB1432945 |
| INTERNATIONAL-SEARCH-REPORT | US2010042026 |
| INTERNATIONAL-SEARCH-REPORT | WO03030808 |
| OPPOSITION | EP1248586 |
| OPPOSITION | EP3199129 |
| OPPOSITION | GB1432945 |
| OPPOSITION | US2010042026 |
| OPPOSITION | WO03030808 |
| OPPOSITION | WO2007137313 |
| OPPOSITION | WO2011035820 |
| OTHER | WO03030808 |
| OTHER | WO2007137313 |
| OTHER | WO2011035820 |
| OTHER | WO2020012322 |
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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Dec 3, 2025
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Means of redress
OPPO
Dec 3, 2025
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Aug 9, 2024
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Apr 17, 2024
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Apr 9, 2024
Apr 4, 2024
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Apr 4, 2024
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Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Aug 31, 2023
Aug 18, 2023
Annex
Search/Exam
Aug 18, 2023
Matter concerning the application
Search/Exam
Jul 18, 2023
Jul 3, 2023
Refund of fees
Search/Exam
Jun 22, 2023
(Electronic) Receipt
Search/Exam
Jun 22, 2023
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2023
Decision to grant a European patent
Search/Exam
May 26, 2023
(Electronic) Receipt
Search/Exam
May 26, 2023
Filing of the translations of the claims
Search/Exam
May 26, 2023
French translation of claims
Search/Exam
May 26, 2023
German translation of the claims
Search/Exam
May 26, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Intention to grant (signatures)
Search/Exam
Mar 17, 2023
Text intended for grant (clean copy)
Search/Exam
Mar 17, 2023
Mar 1, 2023
Mar 1, 2023
Feb 23, 2023
(Electronic) Receipt
Search/Exam
Feb 23, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 23, 2023
Observations by third parties
Search/Exam
Oct 18, 2022
(Electronic) Receipt
Search/Exam
Oct 18, 2022
Amended claims with annotations
Search/Exam
Oct 18, 2022
Amended description with annotations
Search/Exam
Oct 18, 2022
Claims
Search/Exam
Oct 18, 2022
Description
Search/Exam
Oct 18, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 18, 2022
Jul 14, 2022
Jul 11, 2022
(Electronic) Receipt
Search/Exam
Jul 11, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 11, 2022
Jun 27, 2022
(Electronic) Receipt
Search/Exam
Jun 27, 2022
Letter concerning fees and payments
Search/Exam
Apr 19, 2022
Annex to the communication
Search/Exam
Apr 19, 2022
Communication from the Examining Division
Search/Exam
Apr 8, 2022
Examination started
Search/Exam
Feb 4, 2022
(Electronic) Receipt
Search/Exam
Feb 4, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 4, 2022
Nov 16, 2021
Nov 16, 2021
Nov 10, 2021
(Electronic) Receipt
Search/Exam
Nov 10, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 10, 2021
Observations by third parties
Search/Exam
Nov 10, 2021
Patent document filed by a Third party
Search/Exam
Nov 10, 2021
Patent document filed by a Third party
Search/Exam
Jun 28, 2021
(Electronic) Receipt
Search/Exam
Jun 28, 2021
Letter concerning fees and payments
Search/Exam
Jun 4, 2021
(Electronic) Receipt
Search/Exam
Jun 4, 2021
Jun 4, 2021
Amended claims with annotations
Search/Exam
Jun 4, 2021
Jun 4, 2021
Amended description with annotations
Search/Exam
Jun 4, 2021
Amendments received before examination
Search/Exam
Jun 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 21, 2021
Apr 7, 2021
Letter which had not been notified
Search/Exam
Feb 16, 2021
Feb 12, 2021
Communication to designated inventor
Search/Exam
Feb 12, 2021
Communication to designated inventor
Search/Exam
Feb 12, 2021
Communication to designated inventor
Search/Exam
Feb 9, 2021
Priority search results copy provided by EPO
Search/Exam
Jan 25, 2021
Dec 29, 2020
Dec 29, 2020
Notification of the recording of a change
Search/Exam
Dec 11, 2020
Information regarding early processing
Search/Exam
Dec 10, 2020
Dec 10, 2020
Notification of the recording of a change
Search/Exam
Dec 8, 2020
(Electronic) Receipt
Search/Exam
Dec 8, 2020
Authorisation
Search/Exam
Dec 8, 2020
Designation of inventor
Search/Exam
Dec 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2020
(Electronic) Receipt
Search/Exam
Dec 4, 2020
Request for entry into the European phase
Search/Exam
Nov 20, 2020
Information on entry into European phase
Search/Exam
Feb 4, 2020
Jan 16, 2020
Copy of the international search report
Search/Exam
Jan 16, 2020
Published international application - A1
Search/Exam
Nov 15, 2019
Oct 29, 2019
Sep 9, 2019
ISR: cited documents
PCTISA
Sep 9, 2019
Sep 9, 2019
Sep 9, 2019
Aug 22, 2019
Aug 20, 2019
Annex
PCTISA
Aug 20, 2019
Aug 8, 2019
Jul 18, 2019
Abstract
PCTISA
Jul 18, 2019
Annex
PCTISA
Jul 18, 2019
Claims
PCTISA
Jul 18, 2019
Jul 18, 2019
Description
PCTISA
Jul 18, 2019
Drawings
PCTISA
Jul 18, 2019
Jul 18, 2019
Jul 18, 2019
Jul 18, 2019