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The patent EP4091697 was granted to Brain Flash Patententwicklungs on Aug 28, 2024. The application was filed on Mar 2, 2015 under application number EP22185230A. 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 |
|---|---|---|---|
| KARA | May 28, 2025 | ISARPATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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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Decision to grant a European patent
Search/Exam
Jul 23, 2024
Jul 18, 2024
(Electronic) Receipt
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Jul 18, 2024
English translation of the claims
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Jul 18, 2024
Filing of the translations of the claims
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Jul 18, 2024
French translation of claims
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Jul 18, 2024
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Intention to grant (signatures)
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Apr 10, 2024
Text intended for grant (clean copy)
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Apr 10, 2024
Mar 21, 2024
(Electronic) Receipt
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Mar 21, 2024
Letter accompanying subsequently filed items
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Feb 5, 2024
(Electronic) Receipt
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Feb 5, 2024
Amended claims with annotations
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Feb 5, 2024
Amended description with annotations
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Feb 5, 2024
Claims
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Feb 5, 2024
Description
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Feb 5, 2024
Letter accompanying subsequently filed items
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Feb 5, 2024
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Annex to the communication
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Jul 27, 2023
Communication from the Examining Division
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Jul 21, 2023
Examination started
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May 22, 2023
(Electronic) Receipt
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May 22, 2023
May 22, 2023
Amended claims with annotations
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May 22, 2023
Amendments received before examination
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May 22, 2023
Letter accompanying subsequently filed items
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Mar 30, 2023
(Electronic) Receipt
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Mar 30, 2023
Letter accompanying subsequently filed items
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Nov 28, 2022
Oct 26, 2022
Notification of forthcoming publication
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Sep 19, 2022
Refund of fees
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Sep 14, 2022
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European search opinion
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Sep 14, 2022
European search report
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Sep 14, 2022
Information on Search Strategy
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Jul 15, 2022
Abstract
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Jul 15, 2022
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Claims
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Jul 15, 2022
Description
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Jul 15, 2022
Designation of inventor
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Jul 15, 2022
Drawings
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Jul 15, 2022
Request for grant of a European patent
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Nov 3, 2015