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The patent EP3818625 was granted to Beckhoff Automation on Feb 22, 2023. The application was filed on Jun 26, 2020 under application number EP20734942A. 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 |
|---|---|---|---|
| PLANAR MOTOR INCORPORATED | Nov 21, 2023 | MEWBURN ELLIS | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102017131304 |
| DESCRIPTION | DE102017131320 |
| INTERNATIONAL-SEARCH-REPORT | DE102008008602 |
| INTERNATIONAL-SEARCH-REPORT | DE4305274 |
| INTERNATIONAL-SEARCH-REPORT | WO2015184553 |
| OPPOSITION | DE102008008602 |
| OPPOSITION | DE4305274 |
| OPPOSITION | US10056279 |
| OPPOSITION | US2017225814 |
| OPPOSITION | US7019421 |
| OPPOSITION | US8796959 |
| OPPOSITION | WO2013059934 |
| OPPOSITION | WO2015184553 |
| OPPOSITION | WO2018176137 |
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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Dec 23, 2025
Dec 23, 2025
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Means of redress
OPPO
Aug 13, 2025
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Authorisation
OPPO
Apr 10, 2025
Authorisation
OPPO
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 7, 2025
Apr 4, 2025
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Mar 7, 2023
Jan 26, 2023
Decision to grant a European patent
Search/Exam
Jan 13, 2023
(Electronic) Receipt
Search/Exam
Jan 13, 2023
English translation of the claims
Search/Exam
Jan 13, 2023
Filing of the translations of the claims
Search/Exam
Jan 13, 2023
French translation of claims
Search/Exam
Jan 13, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 3, 2023
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Intention to grant (signatures)
Search/Exam
Oct 13, 2022
Text intended for grant (clean copy)
Search/Exam
Oct 13, 2022
Aug 22, 2022
Jul 25, 2022
(Electronic) Receipt
Search/Exam
Jul 25, 2022
Amended claims with annotations
Search/Exam
Jul 25, 2022
Amended description with annotations
Search/Exam
Jul 25, 2022
Claims
Search/Exam
Jul 25, 2022
Description
Search/Exam
Jul 25, 2022
Letter accompanying subsequently filed items
Search/Exam
Jul 25, 2022
Jun 2, 2022
Annex to the communication
Search/Exam
Jun 2, 2022
Summons to attend oral proceedings
Search/Exam
Mar 18, 2022
(Electronic) Receipt
Search/Exam
Mar 18, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2022
Jan 10, 2022
Jan 3, 2022
Annex to the communication
Search/Exam
Jan 3, 2022
Communication from the Examining Division
Search/Exam
Oct 22, 2021
(Electronic) Receipt
Search/Exam
Oct 22, 2021
Amended claims with annotations
Search/Exam
Oct 22, 2021
Claims
Search/Exam
Oct 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 22, 2021
Jul 13, 2021
Annex to the communication
Search/Exam
Jul 13, 2021
Communication from the Examining Division
Search/Exam
May 7, 2021
Examination started
Search/Exam
Apr 14, 2021
Feb 11, 2021
Feb 10, 2021
Communication to designated inventor
Search/Exam
Feb 3, 2021
Feb 2, 2021
(Electronic) Receipt
Search/Exam
Feb 2, 2021
Feb 2, 2021
Amended claims with annotations
Search/Exam
Feb 2, 2021
Feb 2, 2021
Amended description with annotations
Search/Exam
Feb 2, 2021
Amendments received before examination
Search/Exam
Feb 2, 2021
Priority search results
Search/Exam
Feb 2, 2021
Request for entry into the European phase
Search/Exam
Jan 18, 2021
Dec 30, 2020
Copy of the international search report
Search/Exam
Dec 30, 2020
Copy of the international search report
Search/Exam
Dec 30, 2020
Published international application - A1
Search/Exam
Oct 20, 2020
Oct 19, 2020
ISR: cited documents
PCTISA
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 8, 2020
Sep 25, 2020
ISR: cited documents
PCTISA
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Sep 25, 2020
Jul 20, 2020
Jul 10, 2020
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Jun 26, 2020
(Electronic) Receipt
PCTRO
Jun 26, 2020
Abstract
PCTRO
Jun 26, 2020
Claims
PCTRO
Jun 26, 2020
Description
PCTRO
Jun 26, 2020
Jun 26, 2020
Drawings
PCTRO
Jun 26, 2020