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The patent EP3745307 was granted to Entrust on Feb 28, 2024. The application was filed on Dec 30, 2016 under application number EP20187089A. 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 |
|---|---|---|---|
| ATLANTIC ZEISER | Nov 27, 2024 | HOFFMANN EITLE | ADMISSIBLE |
| MB AUTOMATION | Nov 20, 2024 | SCHMIDT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2013220984 |
| DESCRIPTION | US4825054 |
| DESCRIPTION | US5266781 |
| DESCRIPTION | US5943238 |
| DESCRIPTION | US6105493 |
| DESCRIPTION | US6695205 |
| DESCRIPTION | US6783067 |
| DESCRIPTION | US6902107 |
| DESCRIPTION | US7398972 |
| DESCRIPTION | US7434728 |
| EXAMINATION | US2014063086 |
| OPPOSITION | CN204414811U |
| OPPOSITION | DE10338949 |
| OPPOSITION | DE19526087 |
| OPPOSITION | DE3049607 |
| OPPOSITION | DE3236884 |
| OPPOSITION | DE3704059 |
| OPPOSITION | EP0580280 |
| OPPOSITION | EP0835739 |
| OPPOSITION | EP0840181 |
| OPPOSITION | EP2018973 |
| OPPOSITION | EP2507749 |
| OPPOSITION | EP3072690 |
| OPPOSITION | FR2816738 |
| OPPOSITION | FR2827807 |
| OPPOSITION | JP2011131952 |
| OPPOSITION | JP3162856B |
| OPPOSITION | JPS58167347 |
| OPPOSITION | US2001024228 |
| OPPOSITION | US2002141791 |
| OPPOSITION | US2009152790 |
| OPPOSITION | US2014063086 |
| OPPOSITION | US2014182768 |
| OPPOSITION | US5337134 |
| OPPOSITION | US5666629 |
| OPPOSITION | US6308886 |
| OPPOSITION | US6783067 |
| OPPOSITION | US8608163 |
| OPPOSITION | WO2004065124 |
| OPPOSITION | WO2015077218 |
| OPPOSITION | WO2017120108 |
| OPPOSITION | WO9304433 |
| SEARCH | EP1246449 |
| SEARCH | EP1705600 |
| SEARCH | GB2352319 |
| SEARCH | JPS58167347 |
| SEARCH | US5337134 |
| SEARCH | WO0122356 |
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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Mar 13, 2024
Feb 1, 2024
Decision to grant a European patent
Search/Exam
Jan 23, 2024
(Electronic) Receipt
Search/Exam
Jan 23, 2024
Filing of the translations of the claims
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Jan 23, 2024
French translation of claims
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Jan 23, 2024
German translation of the claims
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Sep 20, 2023
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Intention to grant (signatures)
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Sep 20, 2023
Text intended for grant (clean copy)
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Sep 20, 2023
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Aug 9, 2023
(Electronic) Receipt
Search/Exam
Aug 9, 2023
Annexes in respect of a client data request
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Aug 9, 2023
Letter accompanying subsequently filed items
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Aug 9, 2023
Mar 24, 2023
Mar 20, 2023
Letter accompanying subsequently filed items
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Mar 20, 2023
Mar 16, 2023
(Electronic) Receipt
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Mar 16, 2023
Amended claims with annotations
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Mar 16, 2023
Amended description with annotations
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Mar 16, 2023
Claims
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Mar 16, 2023
Description
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Mar 16, 2023
Letter accompanying subsequently filed items
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Mar 16, 2023
Jan 10, 2023
Annex to the communication
Search/Exam
Jan 10, 2023
Communication from the Examining Division
Search/Exam
Dec 12, 2022
Examination started
Search/Exam
Jun 1, 2021
(Electronic) Receipt
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Jun 1, 2021
Jun 1, 2021
Amended claims with annotations
Search/Exam
Jun 1, 2021
Amendments received before examination
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Jun 1, 2021
Letter accompanying subsequently filed items
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Dec 7, 2020
Nov 4, 2020
Notification of forthcoming publication
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Oct 14, 2020
Refund of fees
Search/Exam
Oct 9, 2020
Oct 9, 2020
Oct 9, 2020
European search opinion
Search/Exam
Oct 9, 2020
European search report
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Oct 9, 2020
Information on Search Strategy
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Sep 14, 2020
Communication to designated inventor
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Sep 14, 2020
Communication to designated inventor
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Sep 14, 2020
Communication to designated inventor
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Jul 22, 2020
Abstract
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Jul 22, 2020
Jul 22, 2020
Claims
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Jul 22, 2020
Description
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Jul 22, 2020
Designation of inventor
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Jul 22, 2020
Drawings
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Jul 22, 2020
Matter concerning the application
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Jul 22, 2020
Request for grant of a European patent
Search/Exam
Aug 1, 2017