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The patent EP3523200 was granted to Daifuku on Sep 3, 2025. The application was filed on Oct 10, 2017 under application number EP17859995A. 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 |
|---|---|---|---|
| SIEMENS LOGISTICS | Nov 11, 2022 | SIEMENS PATENT ATTORNEYS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2013302118 |
| INTERNATIONAL-SEARCH-REPORT | US2015117995 |
| INTERNATIONAL-SEARCH-REPORT | US2016244184 |
| INTERNATIONAL-SEARCH-REPORT | WO2013180563 |
| INTERNATIONAL-SEARCH-REPORT | WO2016107844 |
| OPPOSITION | DE10332359 |
| OPPOSITION | GB2471964 |
| OPPOSITION | US2013302118 |
| OPPOSITION | US2014228999 |
| OPPOSITION | US2014241837 |
| OPPOSITION | US2015117995 |
| OPPOSITION | US2016244184 |
| OPPOSITION | US2017200248 |
| OPPOSITION | WO2013076349 |
| OPPOSITION | WO2013180563 |
| OPPOSITION | WO2016107844 |
| SEARCH | US2014228999 |
| SEARCH | US2014241837 |
| SEARCH | US2016244184 |
| SEARCH | WO2016107844 |
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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Aug 7, 2025
Aug 7, 2025
Jul 21, 2025
Jul 21, 2025
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Apr 24, 2025
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Refund of fees
Appeal
Apr 17, 2025
Apr 16, 2025
Apr 16, 2025
Apr 14, 2025
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Apr 11, 2025
Apr 8, 2025
Apr 4, 2025
(Electronic) Receipt
Appeal
Apr 4, 2025
Apr 4, 2025
Withdrawal of an appeal
Appeal
Mar 7, 2025
Mar 4, 2025
(Electronic) Receipt
Appeal
Mar 4, 2025
Mar 4, 2025
Mar 4, 2025
Mar 4, 2025
Mar 4, 2025
Feb 27, 2025
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Jan 17, 2025
(Electronic) Receipt
Appeal
Jan 17, 2025
Jan 17, 2025
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Reply to appeal
Appeal
Sep 17, 2024
Sep 12, 2024
(Electronic) Receipt
Appeal
Sep 12, 2024
Sep 12, 2024
Jun 28, 2024
Jun 28, 2024
Jun 24, 2024
(Electronic) Receipt
Appeal
Jun 24, 2024
Jun 24, 2024
Notice of appeal
Appeal
May 13, 2024
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Means of redress
OPPO
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Description
OPPO
Feb 16, 2024
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Mar 1, 2022
Jan 20, 2022
Decision to grant a European patent
Search/Exam
Jan 4, 2022
(Electronic) Receipt
Search/Exam
Jan 4, 2022
Filing of the translations of the claims
Search/Exam
Jan 4, 2022
French translation of claims
Search/Exam
Jan 4, 2022
German translation of the claims
Search/Exam
Sep 23, 2021
Sep 23, 2021
Sep 23, 2021
Intention to grant (signatures)
Search/Exam
Sep 23, 2021
Text intended for grant (clean copy)
Search/Exam
Sep 23, 2021
Aug 13, 2021
Examination started
Search/Exam
Mar 2, 2021
Feb 23, 2021
Annexes in respect of a client data request
Search/Exam
Feb 23, 2021
Feb 23, 2021
Feb 12, 2021
Feb 4, 2021
(Electronic) Receipt
Search/Exam
Feb 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 4, 2021
Feb 4, 2021
Dec 17, 2020
(Electronic) Receipt
Search/Exam
Dec 17, 2020
Dec 17, 2020
Amended claims with annotations
Search/Exam
Dec 17, 2020
Dec 17, 2020
Amended description with annotations
Search/Exam
Dec 17, 2020
Amendments received before examination
Search/Exam
Dec 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2020
May 20, 2020
May 20, 2020
European search opinion
Search/Exam
May 20, 2020
Information on Search Strategy
Search/Exam
May 20, 2020
Supplementary European search report
Search/Exam
May 6, 2020
Search started
Search/Exam
Jul 17, 2019
May 21, 2019
May 15, 2019
Communication to designated inventor
Search/Exam
May 15, 2019
Communication to designated inventor
Search/Exam
May 15, 2019
Communication to designated inventor
Search/Exam
May 1, 2019
(Electronic) Receipt
Search/Exam
May 1, 2019
May 1, 2019
Request for entry into the European phase
Search/Exam
Feb 22, 2019
Information on entry into European phase
Search/Exam
May 7, 2018
Apr 19, 2018
Copy of the international search report
Search/Exam
Apr 19, 2018
Published international application - A1
Search/Exam