The weekly litigation news digest is live. Subscribe now
The patent EP3794905 was granted to Browa on May 24, 2023. The application was filed on May 15, 2019 under application number EP19724479A. 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 |
|---|---|---|---|
| KUFNER HOLDING | Feb 16, 2024 | RUCKH | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10112405 |
| INTERNATIONAL-SEARCH-REPORT | DE19816440 |
| INTERNATIONAL-SEARCH-REPORT | DE4228048 |
| INTERNATIONAL-SEARCH-REPORT | EP2844030 |
| INTERNATIONAL-SEARCH-REPORT | FR2922405 |
| INTERNATIONAL-SEARCH-REPORT | KR20100119534 |
| OPPOSITION | DE102011109577 |
| OPPOSITION | DE102016112585 |
| OPPOSITION | DE19816440 |
| OPPOSITION | DE4136425 |
| OPPOSITION | DE4142774 |
| OPPOSITION | DE4228048 |
| OPPOSITION | EP0532468 |
| OPPOSITION | EP1815717 |
| OPPOSITION | EP2844030 |
| OPPOSITION | FR2922405 |
| OPPOSITION | KR20100119534 |
| OPPOSITION | WO2015007533 |
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
Get instant alerts for new documents
Sep 8, 2025
Jun 3, 2025
May 30, 2025
May 28, 2025
May 28, 2025
May 23, 2025
May 23, 2025
May 23, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Jan 17, 2025
Nov 25, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 18, 2024
Nov 13, 2024
Nov 13, 2024
Nov 13, 2024
Jul 24, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Jul 17, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Mar 11, 2024
Mar 11, 2024
Feb 26, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Jun 6, 2023
Apr 28, 2023
Decision to grant a European patent
Search/Exam
Apr 8, 2023
(Electronic) Receipt
Search/Exam
Apr 8, 2023
Filing of the translations of the claims
Search/Exam
Dec 8, 2022
Dec 8, 2022
Dec 8, 2022
Dec 8, 2022
Intention to grant (signatures)
Search/Exam
Dec 8, 2022
Text intended for grant (clean copy)
Search/Exam
Dec 8, 2022
Nov 21, 2022
(Electronic) Receipt
Search/Exam
Nov 21, 2022
English translation of the claims
Search/Exam
Nov 21, 2022
French translation of claims
Search/Exam
Nov 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 21, 2022
Jul 20, 2022
Jul 20, 2022
Jul 20, 2022
Intention to grant (signatures)
Search/Exam
Jul 20, 2022
Text intended for grant (clean copy)
Search/Exam
Jul 20, 2022
Jun 20, 2022
Examination started
Search/Exam
Mar 30, 2022
(Electronic) Receipt
Search/Exam
Mar 30, 2022
Letter concerning fees and payments
Search/Exam
Aug 30, 2021
(Electronic) Receipt
Search/Exam
Aug 30, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 30, 2021
Aug 27, 2021
Jul 12, 2021
(Electronic) Receipt
Search/Exam
Jul 12, 2021
Jul 12, 2021
Amended claims with annotations
Search/Exam
Jul 12, 2021
Amendments received before examination
Search/Exam
Jul 12, 2021
Letter accompanying subsequently filed items
Search/Exam
May 18, 2021
(Electronic) Receipt
Search/Exam
May 18, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 24, 2021
Jan 11, 2021
Dec 22, 2020
Communication to designated inventor
Search/Exam
Nov 30, 2020
Nov 20, 2020
Information regarding early processing
Search/Exam
Nov 10, 2020
(Electronic) Receipt
Search/Exam
Nov 10, 2020
Annex
Search/Exam
Nov 10, 2020
Priority search results
Search/Exam
Nov 10, 2020
Request for entry into the European phase
Search/Exam
Sep 25, 2020
Information on entry into European phase
Search/Exam
Sep 24, 2020
Sep 24, 2020
Sep 24, 2020
Notification of the recording of a change
Search/Exam
Jan 2, 2020
Jan 2, 2020
Dec 11, 2019
Dec 9, 2019
Dec 9, 2019
Dec 9, 2019
Nov 21, 2019
Copy of the international search report
Search/Exam
Nov 21, 2019
Copy of the international search report
Search/Exam
Nov 21, 2019
Published international application - A1
Search/Exam
Jul 24, 2019
ISR: cited documents
PCTISA
Jul 24, 2019
Jul 24, 2019
Jul 24, 2019
Jul 24, 2019
Jun 24, 2019
Jun 24, 2019
Jun 21, 2019
Jun 5, 2019
(Electronic) Receipt
PCTRO
Jun 5, 2019
Jun 5, 2019
Jun 5, 2019
RO101 Declaration
PCTRO
May 28, 2019
May 28, 2019
May 28, 2019
May 24, 2019
May 15, 2019
(Electronic) Receipt
PCTRO
May 15, 2019
Abstract
PCTRO
May 15, 2019
Claims
PCTRO
May 15, 2019
Description
PCTRO
May 15, 2019
May 15, 2019
Drawings
PCTRO
May 15, 2019
May 15, 2019