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The patent EP3929002 was granted to Toppan Printing on Aug 23, 2023. The application was filed on Jan 9, 2019 under application number EP21191887A. 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 |
|---|---|---|---|
| LEONHARD KURZ STIFTUNG | May 23, 2024 | ZINSINGER | ADMISSIBLE |
| DE LA RUE | May 22, 2024 | BOULT WADE TENNANT | ADMISSIBLE |
| DLR NEWCO | May 22, 2024 | BOULT WADE TENNANT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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.
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Description
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Dec 12, 2025
Dec 5, 2025
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(Electronic) Receipt
Appeal
Dec 1, 2025
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Notice of appeal
Appeal
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Means of redress
Appeal
Sep 30, 2025
Means of redress
OPPO
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Description
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Decision to grant a European patent
Search/Exam
Jul 11, 2023
(Electronic) Receipt
Search/Exam
Jul 11, 2023
Filing of the translations of the claims
Search/Exam
Jul 11, 2023
French translation of claims
Search/Exam
Jul 11, 2023
German translation of the claims
Search/Exam
Jul 11, 2023
Letter accompanying subsequently filed items
Search/Exam
May 26, 2023
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Non-patent literature filed by a third party
Search/Exam
May 19, 2023
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May 19, 2023
Patent document filed by a Third party
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May 19, 2023
Patent document filed by a Third party
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Intention to grant (signatures)
Search/Exam
Mar 3, 2023
Text intended for grant (clean copy)
Search/Exam
Mar 3, 2023
Feb 16, 2023
Examination started
Search/Exam
Jun 23, 2022
(Electronic) Receipt
Search/Exam
Jun 23, 2022
Jun 23, 2022
Amended claims with annotations
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Jun 23, 2022
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Amended description with annotations
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Jun 23, 2022
Amendments received before examination
Search/Exam
Jun 23, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 19, 2022
(Electronic) Receipt
Search/Exam
Jan 19, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2022
Dec 1, 2021
Notification of forthcoming publication
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Nov 5, 2021
Refund of fees
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Nov 2, 2021
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European search opinion
Search/Exam
Nov 2, 2021
European search report
Search/Exam
Nov 2, 2021
Information on Search Strategy
Search/Exam
Oct 26, 2021
Modified abstract
Search/Exam
Aug 18, 2021
Abstract
Appeal
Aug 18, 2021
Abstract
Search/Exam
Aug 18, 2021
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Claims
Appeal
Aug 18, 2021
Claims
Search/Exam
Aug 18, 2021
Description
Appeal
Aug 18, 2021
Description
Search/Exam
Aug 18, 2021
Designation of inventor
Search/Exam
Aug 18, 2021
Drawings
Appeal
Aug 18, 2021
Drawings
Search/Exam
Aug 18, 2021
Request for grant of a European patent
Search/Exam
Aug 6, 2019