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The patent EP3450934 was granted to Toshiba TEC Kabushiki Kaisha on Sep 22, 2021. The application was filed on Aug 22, 2018 under application number EP18190201A. 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 |
|---|---|---|---|
| WIPOTEC | Jun 22, 2022 | EDER SCHIESCHKE & PARTNER MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP3211388 |
| OPPOSITION | JP2014167388 |
| OPPOSITION | JP2016176795 |
| OPPOSITION | US2016109281 |
| OPPOSITION | WO2013028378 |
| SEARCH | JP2016176795 |
| SEARCH | US2016109281 |
| SEARCH | WO2013028378 |
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 27, 2024
Refund of fees
Appeal
Mar 26, 2024
Mar 26, 2024
Mar 21, 2024
Mar 19, 2024
(Electronic) Receipt
Appeal
Mar 19, 2024
Mar 19, 2024
Withdrawal of an appeal
Appeal
Mar 1, 2024
Feb 27, 2024
(Electronic) Receipt
Appeal
Feb 27, 2024
Feb 27, 2024
Feb 26, 2024
Feb 26, 2024
Feb 20, 2024
(Electronic) Receipt
Appeal
Feb 20, 2024
Feb 20, 2024
Notice of appeal
Appeal
Dec 22, 2023
Dec 20, 2023
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Means of redress
OPPO
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Oct 5, 2021
Aug 26, 2021
Decision to grant a European patent
Search/Exam
Aug 13, 2021
(Electronic) Receipt
Search/Exam
Aug 13, 2021
Filing of the translations of the claims
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Aug 13, 2021
French translation of claims
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Aug 13, 2021
German translation of the claims
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Aug 13, 2021
Letter accompanying subsequently filed items
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Apr 8, 2021
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Intention to grant (signatures)
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Apr 8, 2021
Text intended for grant (clean copy)
Search/Exam
Apr 8, 2021
Feb 15, 2021
(Electronic) Receipt
Search/Exam
Feb 15, 2021
Amended description with annotations
Search/Exam
Feb 15, 2021
Description
Search/Exam
Feb 15, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 15, 2021
Oct 12, 2020
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Oct 12, 2020
Intention to grant (signatures)
Search/Exam
Oct 12, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 12, 2020
Apr 21, 2020
Annex to a communication
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Apr 21, 2020
Annex to a communication
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Apr 21, 2020
Annex to the communication
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Apr 21, 2020
Consultation by telephone/in person
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Apr 21, 2020
Apr 14, 2020
(Electronic) Receipt
Search/Exam
Apr 14, 2020
Amended claims with annotations
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Apr 14, 2020
Claims
Search/Exam
Apr 14, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 14, 2020
Mar 17, 2020
Annex to a communication
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Mar 17, 2020
Annex to the communication
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Mar 17, 2020
Consultation by telephone/in person
Search/Exam
Mar 17, 2020
Feb 19, 2020
Feb 14, 2020
(Electronic) Receipt
Search/Exam
Feb 14, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 14, 2020
Oct 4, 2019
Annex to the communication
Search/Exam
Oct 4, 2019
Communication from the Examining Division
Search/Exam
Sep 23, 2019
Examination started
Search/Exam
Sep 5, 2019
(Electronic) Receipt
Search/Exam
Sep 5, 2019
Sep 5, 2019
Amended claims with annotations
Search/Exam
Sep 5, 2019
Sep 5, 2019
Amended description with annotations
Search/Exam
Sep 5, 2019
Amendments received before examination
Search/Exam
Sep 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 21, 2019
(Electronic) Receipt
Search/Exam
Aug 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 11, 2019
Feb 6, 2019
Notification of forthcoming publication
Search/Exam
Feb 4, 2019
Feb 4, 2019
Feb 4, 2019
European search opinion
Search/Exam
Feb 4, 2019
European search report
Search/Exam
Feb 4, 2019
Information on Search Strategy
Search/Exam
Jan 17, 2019
Search started
Search/Exam
Oct 31, 2018
Oct 23, 2018
Oct 15, 2018
Communication to designated inventor
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Aug 22, 2018
Abstract
Search/Exam
Aug 22, 2018
Aug 22, 2018
Claims
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Aug 22, 2018
Description
Search/Exam
Aug 22, 2018
Designation of inventor
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Aug 22, 2018
Drawings
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Aug 22, 2018
Request for grant of a European patent
Search/Exam