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The patent EP3339752 was granted to Danfoss on May 1, 2019. The application was filed on Dec 22, 2016 under application number EP16206125A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| VIESSMANN GENERATIONS GROUP | Jan 30, 2020 | MERH MATIAS ERNY REICHL HOFFMANN PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102014103367 |
| OPPOSITION | DE4022935 |
| OPPOSITION | EP2866117 |
| OPPOSITION | US2013140016 |
| SEARCH | EP1564616 |
| SEARCH | EP2530390 |
| SEARCH | GB2459664 |
| SEARCH | US2010045470 |
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 27, 2024
Refund of fees
Appeal
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 25, 2024
Nov 21, 2024
Nov 21, 2024
Nov 20, 2024
(Electronic) Receipt
Appeal
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Withdrawal of an appeal
Appeal
Nov 18, 2024
(Electronic) Receipt
Appeal
Nov 18, 2024
Nov 18, 2024
Nov 18, 2024
Nov 6, 2024
Nov 6, 2024
Jul 12, 2024
Jul 12, 2024
Jul 11, 2024
Jul 9, 2024
Jul 8, 2024
(Electronic) Receipt
Appeal
Jul 8, 2024
Jul 8, 2024
Jul 5, 2024
Jul 5, 2024
Jul 3, 2024
Jul 2, 2024
Jun 27, 2024
Jun 24, 2024
(Electronic) Receipt
Appeal
Jun 24, 2024
Jun 24, 2024
Jun 20, 2024
Jun 20, 2024
Jun 17, 2024
Dec 5, 2023
Nov 30, 2023
(Electronic) Receipt
Appeal
Nov 30, 2023
Nov 30, 2023
Nov 30, 2023
Nov 30, 2023
Mar 12, 2023
Oct 17, 2022
Oct 11, 2022
(Electronic) Receipt
Appeal
Oct 11, 2022
Oct 11, 2022
Reply to appeal
Appeal
Jun 2, 2022
May 27, 2022
(Electronic) Receipt
Appeal
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
May 27, 2022
Apr 7, 2022
Apr 7, 2022
Mar 31, 2022
(Electronic) Receipt
Appeal
Mar 31, 2022
Mar 31, 2022
Notice of appeal
Appeal
Feb 17, 2022
Feb 7, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Means of redress
OPPO
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Nov 10, 2021
Oct 22, 2021
Oct 18, 2021
Oct 15, 2021
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Oct 6, 2021
Sep 15, 2021
Sep 14, 2021
Sep 10, 2021
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Aug 12, 2021
Aug 12, 2021
Jun 7, 2021
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Jan 7, 2021
Dec 29, 2020
Dec 24, 2020
Dec 18, 2020
Oct 12, 2020
Oct 7, 2020
Oct 7, 2020
Oct 7, 2020
Jun 25, 2020
Jun 18, 2020
Jun 15, 2020
Jun 15, 2020
Authorisation
OPPO
Jun 15, 2020
Jun 15, 2020
Feb 17, 2020
Feb 17, 2020
Feb 4, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
Jan 30, 2020
May 13, 2019
Apr 4, 2019
Decision to grant a European patent
Search/Exam
Mar 20, 2019
(Electronic) Receipt
Search/Exam
Mar 20, 2019
Filing of the translations of the claims
Search/Exam
Mar 20, 2019
French translation of claims
Search/Exam
Mar 20, 2019
German translation of the claims
Search/Exam
Jan 7, 2019
Jan 7, 2019
Jan 7, 2019
Intention to grant (signatures)
Search/Exam
Jan 7, 2019
Text intended for grant (clean copy)
Search/Exam
Jan 7, 2019
Nov 15, 2018
Examination started
Search/Exam
Sep 17, 2018
Sep 17, 2018
Sep 7, 2018
Jul 2, 2018
Jun 18, 2018
Jun 8, 2018
Jun 4, 2018
Jun 4, 2018
May 30, 2018
Notification of forthcoming publication
Search/Exam
Sep 22, 2017
Payment of fees and costs
Search/Exam
Sep 22, 2017
Written request for examination
Search/Exam
Jul 12, 2017
Jul 12, 2017
European search opinion
Search/Exam
Jul 12, 2017
European search report
Search/Exam
Jul 12, 2017
Information on Search Strategy
Search/Exam
Jul 10, 2017
Jul 10, 2017
Jun 20, 2017
Jun 8, 2017
Search started
Search/Exam
Feb 14, 2017
Communication to designated inventor
Search/Exam
Feb 14, 2017
Communication to designated inventor
Search/Exam
Feb 14, 2017
Communication to designated inventor
Search/Exam
Dec 22, 2016
Abstract
Search/Exam
Dec 22, 2016
Dec 22, 2016
Claims
Search/Exam
Dec 22, 2016
Description
Search/Exam
Dec 22, 2016
Designation of inventor
Search/Exam
Dec 22, 2016
Drawings
Search/Exam
Dec 22, 2016
Request for grant of a European patent
Search/Exam