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The patent EP3255360 was granted to Truma Gertetechnik on Mar 12, 2025. The application was filed on May 30, 2017 under application number EP17173428A. 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 |
|---|---|---|---|
| KOCH | Aug 14, 2019 | FARAGO PATENTANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102004044990 |
| OPPOSITION | DE102008047753 |
| OPPOSITION | DE102014213267 |
| OPPOSITION | DE10318504 |
| OPPOSITION | DE19850914 |
| OPPOSITION | EP1970651 |
| OPPOSITION | US2005086952 |
| OPPOSITION | US2005109050 |
| OPPOSITION | US4745765 |
| OPPOSITION | US5150584 |
| OPPOSITION | US6330802 |
| SEARCH | DE102014213267 |
| SEARCH | EP1970651 |
| SEARCH | US2005086952 |
| SEARCH | US2016109170 |
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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Feb 13, 2025
Feb 13, 2025
Jan 30, 2025
Jan 30, 2025
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Nov 12, 2024
Nov 12, 2024
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Oct 30, 2024
Oct 22, 2024
Refund of fees
Appeal
Oct 17, 2024
Oct 17, 2024
Oct 14, 2024
(Electronic) Receipt
Appeal
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Withdrawal of an appeal
Appeal
Sep 20, 2024
Sep 16, 2024
(Electronic) Receipt
Appeal
Sep 16, 2024
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Jul 26, 2024
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Feb 26, 2024
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(Electronic) Receipt
Appeal
Feb 20, 2024
General enquiry
Appeal
Feb 20, 2024
Feb 5, 2024
Feb 5, 2024
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Jan 24, 2024
Jan 22, 2024
(Electronic) Receipt
Appeal
Jan 22, 2024
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Jan 17, 2024
Aug 21, 2023
Aug 15, 2023
(Electronic) Receipt
Appeal
Aug 15, 2023
Aug 15, 2023
May 30, 2023
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(Electronic) Receipt
Appeal
May 23, 2023
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Apr 4, 2023
Mar 29, 2023
(Electronic) Receipt
Appeal
Mar 29, 2023
Mar 29, 2023
Mar 12, 2023
Feb 28, 2022
Feb 23, 2022
(Electronic) Receipt
Appeal
Feb 23, 2022
Feb 23, 2022
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Feb 23, 2022
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Feb 23, 2022
Reply to appeal
Appeal
Jan 5, 2022
Dec 23, 2021
(Electronic) Receipt
Appeal
Dec 23, 2021
Dec 23, 2021
Oct 29, 2021
Oct 29, 2021
Oct 25, 2021
(Electronic) Receipt
Appeal
Oct 25, 2021
Oct 25, 2021
Notice of appeal
Appeal
Sep 30, 2021
Sep 30, 2021
Sep 17, 2021
Sep 14, 2021
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Sep 14, 2021
Aug 24, 2021
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Means of redress
OPPO
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Refund of fees
Search/Exam
Sep 4, 2019
Sep 3, 2019
Aug 14, 2019
Aug 14, 2019
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Nov 26, 2018
Oct 18, 2018
Decision to grant a European patent
Search/Exam
Sep 27, 2018
(Electronic) Receipt
Search/Exam
Sep 27, 2018
English translation of the claims
Search/Exam
Sep 27, 2018
Filing of the translations of the claims
Search/Exam
Sep 27, 2018
French translation of claims
Search/Exam
Sep 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 15, 2018
Jun 15, 2018
Jun 15, 2018
Intention to grant (signatures)
Search/Exam
Jun 15, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 15, 2018
May 31, 2018
Examination started
Search/Exam
Apr 10, 2018
(Electronic) Receipt
Search/Exam
Apr 10, 2018
Apr 10, 2018
Amended claims with annotations
Search/Exam
Apr 10, 2018
Apr 10, 2018
Amended description with annotations
Search/Exam
Apr 10, 2018
Amendments received before examination
Search/Exam
Apr 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 11, 2018
(Electronic) Receipt
Search/Exam
Jan 11, 2018
Letter concerning fees and payments
Search/Exam
Dec 18, 2017
Nov 15, 2017
Notification of forthcoming publication
Search/Exam
Oct 30, 2017
Oct 30, 2017
European search opinion
Search/Exam
Oct 30, 2017
European search report
Search/Exam
Oct 30, 2017
Information on Search Strategy
Search/Exam
Oct 19, 2017
Search started
Search/Exam
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jul 21, 2017
Communication to designated inventor
Search/Exam
Jun 6, 2017
Letter concerning the priority
Search/Exam
Jun 6, 2017
Priority document
Search/Exam
May 30, 2017
Abstract
Search/Exam
May 30, 2017
May 30, 2017
Claims
Search/Exam
May 30, 2017
Description
Search/Exam
May 30, 2017
Designation of inventor
Search/Exam
May 30, 2017
Drawings
Search/Exam
May 30, 2017
Priority search results
Search/Exam
May 30, 2017
Request for grant of a European patent
Search/Exam