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The patent EP3954312 was granted to Combrowski on Jun 26, 2024. The application was filed on May 30, 2012 under application number EP21195035A. The patent is currently recorded with a legal status of "The Patent Has Been Limited".

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 |
|---|---|---|---|
| JOIMAX | Jun 18, 2024 | LICHTI PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE10136129 |
| OPPOSITION | DE202008009194U |
| OPPOSITION | EP1774919 |
| OPPOSITION | US2008045953 |
| OPPOSITION | US2008082103 |
| OPPOSITION | US2008119849 |
| OPPOSITION | US2008154280 |
| OPPOSITION | US2009299415 |
| OPPOSITION | US2011040335 |
| OPPOSITION | US7179261 |
| OPPOSITION | WO2006005198 |
| SEARCH | EP1774919 |
| SEARCH | US2008045953 |
| SEARCH | US2008082103 |
| SEARCH | US2009299415 |
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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Nov 20, 2025
Nov 17, 2025
(Electronic) Receipt
Appeal
Nov 17, 2025
Nov 17, 2025
Sep 19, 2025
Sep 19, 2025
Sep 15, 2025
(Electronic) Receipt
Appeal
Sep 15, 2025
Sep 15, 2025
Notice of appeal
Appeal
Sep 12, 2025
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Means of redress
OPPO
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Certificate B3
LIMP
Jul 9, 2024
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Claims
LIMP
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Oct 4, 2023
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Decision to grant a European patent
Search/Exam
Aug 17, 2023
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Aug 11, 2023
(Electronic) Receipt
Search/Exam
Aug 11, 2023
English translation of the claims
Search/Exam
Aug 11, 2023
Filing of the translations of the claims
Search/Exam
Aug 11, 2023
French translation of claims
Search/Exam
Aug 10, 2023
(Electronic) Receipt
Search/Exam
Aug 10, 2023
(Electronic) Receipt
Search/Exam
Aug 10, 2023
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2023
Letter accompanying subsequently filed items
Search/Exam
Aug 10, 2023
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Apr 13, 2023
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Intention to grant (signatures)
Search/Exam
Apr 13, 2023
Text intended for grant (clean copy)
Search/Exam
Apr 13, 2023
Mar 6, 2023
Examination started
Search/Exam
Jan 4, 2023
Dec 14, 2022
(Electronic) Receipt
Search/Exam
Dec 14, 2022
Enquiry as to the processing of the file
Search/Exam
Dec 14, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2022
(Electronic) Receipt
Search/Exam
Jul 29, 2022
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Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2022
Priority search results
Search/Exam
Jul 8, 2022
Jun 29, 2022
(Electronic) Receipt
Search/Exam
Jun 29, 2022
Jun 29, 2022
Amended claims with annotations
Search/Exam
Jun 29, 2022
Amendments received before examination
Search/Exam
Jun 29, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 21, 2022
Jan 19, 2022
Notification of forthcoming publication
Search/Exam
Jan 19, 2022
Refund of fees
Search/Exam
Jan 14, 2022
Jan 14, 2022
European search opinion
Search/Exam
Jan 14, 2022
European search report
Search/Exam
Jan 14, 2022
Information on Search Strategy
Search/Exam
Jan 5, 2022
Search started
Search/Exam
Oct 5, 2021
(Electronic) Receipt
Search/Exam
Oct 5, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 6, 2021
Abstract
Search/Exam
Sep 6, 2021
Sep 6, 2021
Claims
Search/Exam
Sep 6, 2021
Description
Search/Exam
Sep 6, 2021
Designation of inventor
Search/Exam
Sep 6, 2021
Drawings
Search/Exam
Sep 6, 2021
General authorisation
Search/Exam
Sep 6, 2021
General authorisation
Search/Exam
Sep 6, 2021
Request for grant of a European patent
Search/Exam
Jun 28, 2012
Priority document
Search/Exam