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The patent EP3388385 was granted to Epsilon Kran on Sep 8, 2021. The application was filed on Apr 12, 2017 under application number EP17166255A. 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 |
|---|---|---|---|
| INDEXATOR ROTATOR SYSTEMS | Jun 3, 2022 | EHRNER & DELMAR PATENTBYRA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | EP2460758 |
| EXAMINATION | EP3504145 |
| OPPOSITION | EP1476388 |
| OPPOSITION | EP1617541 |
| OPPOSITION | EP2460758 |
| OPPOSITION | US1241030 |
| OPPOSITION | US1598617 |
| OPPOSITION | US1765330 |
| OPPOSITION | US1925095 |
| OPPOSITION | US3470521 |
| OPPOSITION | US3550061 |
| OPPOSITION | WO2014133399 |
| OPPOSITION | WO2016099372 |
| OPPOSITION | WO2018162424 |
| OPPOSITION | WO9937136 |
| SEARCH | EP2460758 |
| SEARCH | WO2016099372 |
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 12, 2025
Nov 12, 2025
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Oct 28, 2025
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(Electronic) Receipt
Appeal
Aug 21, 2025
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(Electronic) Receipt
Appeal
Aug 13, 2025
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(Electronic) Receipt
Appeal
Mar 31, 2025
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(Electronic) Receipt
Appeal
Oct 4, 2024
Oct 4, 2024
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Jul 9, 2024
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Mar 15, 2024
Mar 12, 2024
(Electronic) Receipt
Appeal
Mar 12, 2024
Mar 12, 2024
Jan 18, 2024
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Jan 15, 2024
(Electronic) Receipt
Appeal
Jan 15, 2024
Jan 15, 2024
Notice of appeal
Appeal
Dec 4, 2023
Nov 29, 2023
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Means of redress
Search/Exam
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Jan 21, 2022
Document concerning representation
Search/Exam
Dec 26, 2021
Document concerning representation
Search/Exam
Sep 21, 2021
Aug 12, 2021
Decision to grant a European patent
Search/Exam
Jul 30, 2021
(Electronic) Receipt
Search/Exam
Jul 30, 2021
English translation of the claims
Search/Exam
Jul 30, 2021
Filing of the translations of the claims
Search/Exam
Jul 30, 2021
French translation of claims
Search/Exam
Jul 30, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 23, 2021
Apr 23, 2021
Apr 23, 2021
Intention to grant (signatures)
Search/Exam
Apr 23, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 23, 2021
Mar 1, 2021
(Electronic) Receipt
Search/Exam
Mar 1, 2021
Amended claims with annotations
Search/Exam
Mar 1, 2021
Amended description with annotations
Search/Exam
Mar 1, 2021
Claims
Search/Exam
Mar 1, 2021
Description
Search/Exam
Mar 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 1, 2021
Jan 12, 2021
Dec 22, 2020
(Electronic) Receipt
Search/Exam
Dec 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 22, 2020
Sep 3, 2020
Annex to the communication
Search/Exam
Sep 3, 2020
Communication from the Examining Division
Search/Exam
Aug 27, 2020
Examination started
Search/Exam
Apr 8, 2019
(Electronic) Receipt
Search/Exam
Apr 8, 2019
Apr 8, 2019
Amended claims with annotations
Search/Exam
Apr 8, 2019
Amendments received before examination
Search/Exam
Apr 8, 2019
Letter concerning fees and payments
Search/Exam
Oct 22, 2018
Sep 19, 2018
Notification of forthcoming publication
Search/Exam
Mar 22, 2018
(Electronic) Receipt
Search/Exam
Oct 13, 2017
Oct 13, 2017
European search opinion
Search/Exam
Oct 13, 2017
European search report
Search/Exam
Oct 13, 2017
Information on Search Strategy
Search/Exam
Oct 3, 2017
Search started
Search/Exam
Jun 6, 2017
Communication to designated inventor
Search/Exam
Apr 12, 2017
Abstract
Search/Exam
Apr 12, 2017
Apr 12, 2017
Claims
Search/Exam
Apr 12, 2017
Description
Search/Exam
Apr 12, 2017
Designation of inventor
Search/Exam
Apr 12, 2017
Drawings
Search/Exam
Apr 12, 2017
Request for grant of a European patent
Search/Exam