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The patent EP3334942 was granted to EBM Papst Mulfingen on Jul 9, 2025. The application was filed on Apr 20, 2017 under application number EP17719544A. 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 |
|---|---|---|---|
| ELECTROLUX ROTHENBURG FACTORY | May 10, 2023 | WILMES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE102010047489 |
| EXAMINATION | DE102012019419 |
| EXAMINATION | US2015139823 |
| INTERNATIONAL-SEARCH-REPORT | CH213309 |
| INTERNATIONAL-SEARCH-REPORT | US5983888 |
| INTERNATIONAL-SEARCH-REPORT | US6752711 |
| OPPOSITION | CH213309 |
| OPPOSITION | CN102207301 |
| OPPOSITION | CN104456344 |
| OPPOSITION | CN2585086Y |
| OPPOSITION | DE102010032168 |
| OPPOSITION | DE102010047489 |
| OPPOSITION | DE102012019419 |
| OPPOSITION | EP2952744 |
| OPPOSITION | US5983888 |
| OPPOSITION | US9897111 |
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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Jul 14, 2022
Decision to grant a European patent
Search/Exam
Jun 28, 2022
English translation of the claims
Search/Exam
Jun 28, 2022
English translation of the claims
Search/Exam
Jun 28, 2022
Filing of the translations of the claims
Search/Exam
Jun 28, 2022
Filing of the translations of the claims
Search/Exam
Jun 28, 2022
French translation of claims
Search/Exam
Jun 28, 2022
French translation of claims
Search/Exam
Jun 28, 2022
Letter concerning fees and payments
Search/Exam
Jun 28, 2022
Letter concerning fees and payments
Search/Exam
May 19, 2022
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Intention to grant (signatures)
Search/Exam
May 19, 2022
Text intended for grant (clean copy)
Search/Exam
May 19, 2022
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Annex to the communication
Search/Exam
Jun 12, 2020
Communication from the Examining Division
Search/Exam
Apr 29, 2020
Examination started
Search/Exam
Dec 14, 2018
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Amended description with annotations
Search/Exam
Sep 20, 2018
Amendments received before examination
Search/Exam
Jul 10, 2018
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Communication to designated inventor
Search/Exam
Apr 4, 2018
Communication to designated inventor
Search/Exam
Apr 4, 2018
Communication to designated inventor
Search/Exam
Apr 3, 2018
Mar 16, 2018
(Electronic) Receipt
Search/Exam
Mar 16, 2018
Request for entry into the European phase
Search/Exam
Nov 21, 2017
Nov 2, 2017
Copy of the international search report
Search/Exam
Nov 2, 2017
Published international application - A1
Search/Exam
Jul 25, 2017
ISR: cited documents
PCTISA
Jul 25, 2017
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(Electronic) Receipt
PCTRO
Apr 20, 2017
Abstract
PCTRO
Apr 20, 2017
Claims
PCTRO
Apr 20, 2017
Description
PCTRO
Apr 20, 2017
Apr 20, 2017
Drawings
PCTRO
Apr 20, 2017