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The patent EP3835539 was granted to Bdenbender on Dec 28, 2022. The application was filed on Dec 13, 2019 under application number EP19215877A. 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 |
|---|---|---|---|
| MACS HOLDING | Mar 9, 2023 | DAUB | ADMISSIBLE |
| MACS HOLDING | Mar 9, 2023 | FDST PATENTANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102015116588 |
| OPPOSITION | DE102013100253 |
| OPPOSITION | DE102015015682 |
| OPPOSITION | DE202011000289U |
| OPPOSITION | DE202015104651U |
| OPPOSITION | DE202018105545U |
| OPPOSITION | EP0133145 |
| OPPOSITION | EP2128374 |
| OPPOSITION | EP2878757 |
| OPPOSITION | EP3078802 |
| OPPOSITION | EP3683397 |
| OPPOSITION | FR2477443 |
| OPPOSITION | US2010238544 |
| OPPOSITION | US2017265661 |
| OPPOSITION | WO2005019588 |
| SEARCH | DE102015117643 |
| SEARCH | US4279288 |
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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Means of redress
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Description
OPPO
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Decision to grant a European patent
Search/Exam
Nov 16, 2022
(Electronic) Receipt
Search/Exam
Nov 16, 2022
English translation of the claims
Search/Exam
Nov 16, 2022
French translation of claims
Search/Exam
Nov 16, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 18, 2022
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Intention to grant (signatures)
Search/Exam
Jul 18, 2022
Text intended for grant (clean copy)
Search/Exam
Jul 18, 2022
Apr 7, 2022
(Electronic) Receipt
Search/Exam
Apr 7, 2022
Amended claims with annotations
Search/Exam
Apr 7, 2022
Amended description with annotations
Search/Exam
Apr 7, 2022
Claims
Search/Exam
Apr 7, 2022
Description
Search/Exam
Apr 7, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 7, 2022
Mar 21, 2022
Annex to the communication
Search/Exam
Mar 21, 2022
Mar 21, 2022
Jun 21, 2021
May 19, 2021
(Electronic) Receipt
Search/Exam
May 19, 2021
Amended description with annotations
Search/Exam
May 19, 2021
Description
Search/Exam
May 19, 2021
Letter accompanying subsequently filed items
Search/Exam
May 19, 2021
Notification of forthcoming publication
Search/Exam
May 19, 2021
Jan 26, 2021
Annex to the communication
Search/Exam
Jan 26, 2021
Communication from the Examining Division
Search/Exam
Jan 13, 2021
Examination started
Search/Exam
Nov 16, 2020
Nov 3, 2020
(Electronic) Receipt
Search/Exam
Nov 3, 2020
Enquiry as to the processing of the file
Search/Exam
Nov 3, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 4, 2020
(Electronic) Receipt
Search/Exam
Sep 4, 2020
Sep 4, 2020
Amended claims with annotations
Search/Exam
Sep 4, 2020
Sep 4, 2020
Amended description with annotations
Search/Exam
Sep 4, 2020
Amendments received before examination
Search/Exam
Sep 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 29, 2020
Jun 29, 2020
European search opinion
Search/Exam
Jun 29, 2020
European search report
Search/Exam
Jun 29, 2020
Information on Search Strategy
Search/Exam
Jun 16, 2020
Search started
Search/Exam
Mar 30, 2020
Communication to designated inventor
Search/Exam
Mar 30, 2020
Communication to designated inventor
Search/Exam
Mar 17, 2020
Letter concerning the inventor
Search/Exam
Jan 21, 2020
Deficiency in designation of inventor
Search/Exam
Dec 13, 2019
Abstract
Search/Exam
Dec 13, 2019
Dec 13, 2019
Claims
Search/Exam
Dec 13, 2019
Description
Search/Exam
Dec 13, 2019
Drawings
Search/Exam
Dec 13, 2019
Request for grant of a European patent
Search/Exam