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The patent EP3156146 was granted to Autotech Engineering on Mar 14, 2018. The application was filed on Oct 13, 2015 under application number EP15382493A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| BENTELER AUTOMOBILTECHNIK | Dec 14, 2018 | OSTERHOFF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE2534819 |
| OPPOSITION | DE3311116 |
| OPPOSITION | JPS642741 |
| OPPOSITION | US2014144198 |
| OPPOSITION | US3344633 |
| SEARCH | DE3311116 |
| SEARCH | JPS642741 |
| SEARCH | US2014144198 |
| SEARCH | US3344633 |
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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Apr 3, 2023
Mar 20, 2023
Refund of fees
Search/Exam
Mar 16, 2023
Mar 16, 2023
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Mar 10, 2023
(Electronic) Receipt
Appeal
Mar 10, 2023
Mar 10, 2023
Withdrawal of an appeal
Appeal
Feb 27, 2023
Feb 27, 2023
Jan 4, 2023
Dec 21, 2022
(Electronic) Receipt
Appeal
Dec 21, 2022
Dec 21, 2022
Dec 20, 2022
Dec 20, 2022
Dec 16, 2022
Dec 15, 2022
Dec 9, 2022
(Electronic) Receipt
Appeal
Dec 9, 2022
Dec 9, 2022
Dec 9, 2022
Dec 2, 2022
(Electronic) Receipt
Appeal
Dec 2, 2022
Advice of delivery
Appeal
Dec 2, 2022
Dec 2, 2022
Dec 2, 2022
Nov 29, 2022
Nov 29, 2022
May 17, 2021
Jan 12, 2021
Dec 13, 2020
(Electronic) Receipt
Appeal
Dec 13, 2020
Dec 13, 2020
Claims
Appeal
Dec 13, 2020
Dec 13, 2020
Reply to appeal
Appeal
Aug 7, 2020
Jul 29, 2020
(Electronic) Receipt
Appeal
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
Jul 29, 2020
May 27, 2020
May 27, 2020
May 15, 2020
(Electronic) Receipt
Appeal
May 15, 2020
May 15, 2020
Notice of appeal
Appeal
Apr 17, 2020
Apr 17, 2020
Apr 17, 2020
Mar 23, 2020
Mar 19, 2020
Mar 19, 2020
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Means of redress
OPPO
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Dec 24, 2018
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Mar 26, 2018
Feb 15, 2018
Decision to grant a European patent
Search/Exam
Jan 25, 2018
(Electronic) Receipt
Search/Exam
Jan 25, 2018
Filing of the translations of the claims
Search/Exam
Jan 25, 2018
French translation of claims
Search/Exam
Jan 25, 2018
German translation of the claims
Search/Exam
Dec 20, 2017
Dec 20, 2017
Dec 20, 2017
Intention to grant (signatures)
Search/Exam
Dec 20, 2017
Text intended for grant (clean copy)
Search/Exam
Dec 20, 2017
Nov 29, 2017
Examination started
Search/Exam
Oct 17, 2017
(Electronic) Receipt
Search/Exam
Oct 17, 2017
Oct 17, 2017
Amended claims with annotations
Search/Exam
Oct 17, 2017
Oct 17, 2017
Amended description with annotations
Search/Exam
Oct 17, 2017
Amendments received before examination
Search/Exam
Oct 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2017
Mar 22, 2017
Notification of forthcoming publication
Search/Exam
Mar 30, 2016
Mar 30, 2016
European search opinion
Search/Exam
Mar 30, 2016
European search report
Search/Exam
Mar 30, 2016
Information on Search Strategy
Search/Exam
Mar 21, 2016
Modified abstract
Search/Exam
Mar 14, 2016
Search started
Search/Exam
Jan 7, 2016
Communication to designated inventor
Search/Exam
Oct 22, 2015
Oct 13, 2015
Abstract
Search/Exam
Oct 13, 2015
Oct 13, 2015
Claims
Search/Exam
Oct 13, 2015
Description
Search/Exam
Oct 13, 2015
Designation of inventor
Search/Exam
Oct 13, 2015
Drawings
Search/Exam
Oct 13, 2015
Request for grant of a European patent
Search/Exam