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The patent EP3736312 was granted to Agfa on Nov 6, 2024. The application was filed on Sep 25, 2019 under application number EP19199502A. 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 |
|---|---|---|---|
| STAEDTLER | Aug 6, 2025 | FLENTJE | ADMISSIBLE |
| ARCOLOR | Aug 5, 2025 | HEPP WENGER RYFFEL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102016203528 |
| DESCRIPTION | DE19725289 |
| DESCRIPTION | EP0609930 |
| DESCRIPTION | EP0904327 |
| DESCRIPTION | EP0966641 |
| DESCRIPTION | EP1290290 |
| DESCRIPTION | EP1567334 |
| DESCRIPTION | EP1711353 |
| DESCRIPTION | EP2274485 |
| DESCRIPTION | EP2280130 |
| DESCRIPTION | EP2374588 |
| DESCRIPTION | EP2582527 |
| DESCRIPTION | EP2763850 |
| DESCRIPTION | EP2865528 |
| DESCRIPTION | EP3447098 |
| DESCRIPTION | US2006144004 |
| DESCRIPTION | US2008010937 |
| DESCRIPTION | US2009208646 |
| DESCRIPTION | US2010192793 |
| DESCRIPTION | US2011008624 |
| DESCRIPTION | US2011300372 |
| DESCRIPTION | US2011311806 |
| DESCRIPTION | US2013062006 |
| DESCRIPTION | US2013071172 |
| DESCRIPTION | US3173804 |
| DESCRIPTION | US4109043 |
| DESCRIPTION | US4112169 |
| DESCRIPTION | US4952277 |
| DESCRIPTION | US6418683 |
| DESCRIPTION | US6709764 |
| DESCRIPTION | US6773799 |
| DESCRIPTION | US8196366 |
| DESCRIPTION | US8410209 |
| DESCRIPTION | WO2004053258 |
| DESCRIPTION | WO2007144718 |
| DESCRIPTION | WO2012126816 |
| DESCRIPTION | WO2013050910 |
| EXAMINATION | EP2976393 |
| OPPOSITION | EP2865528 |
| OPPOSITION | EP2865531 |
| OPPOSITION | EP2905376 |
| OPPOSITION | EP2979887 |
| OPPOSITION | EP3275678 |
| OPPOSITION | EP3424729 |
| OPPOSITION | EP3447098 |
| OPPOSITION | EP3521049 |
| OPPOSITION | EP3736312 |
| OPPOSITION | GB2528121 |
| OPPOSITION | JP2018039913 |
| OPPOSITION | JP2019014238 |
| OPPOSITION | US2006164450 |
| OPPOSITION | WO2014147374 |
| OPPOSITION | WO2016066531 |
| OPPOSITION | WO2017009601 |
| SEARCH | EP2865528 |
| SEARCH | EP2865531 |
| SEARCH | EP2976393 |
| SEARCH | EP3447098 |
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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Nov 19, 2024
Oct 10, 2024
Decision to grant a European patent
Search/Exam
Aug 19, 2024
(Electronic) Receipt
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Aug 19, 2024
Filing of the translations of the claims
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Aug 19, 2024
French translation of claims
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Aug 19, 2024
German translation of the claims
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Aug 19, 2024
Letter accompanying subsequently filed items
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Jul 26, 2024
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Intention to grant (signatures)
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Jul 26, 2024
Text intended for grant (clean copy)
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Jul 26, 2024
Apr 4, 2024
(Electronic) Receipt
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Apr 4, 2024
Amended description with annotations
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Apr 4, 2024
Description
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Apr 4, 2024
Letter accompanying subsequently filed items
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Apr 4, 2024
Jan 18, 2024
Annex to the communication
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Jan 18, 2024
Communication from the Examining Division
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Jan 4, 2024
(Electronic) Receipt
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Jan 4, 2024
Amended claims with annotations
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Jan 4, 2024
Claims
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Jan 4, 2024
Letter accompanying subsequently filed items
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Jan 4, 2024
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Sep 28, 2023
Annex to the communication
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Sep 28, 2023
Communication from the Examining Division
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Sep 25, 2023
Examination started
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Mar 4, 2021
(Electronic) Receipt
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Mar 4, 2021
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Amended claims with annotations
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Mar 4, 2021
Amended claims with annotations
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Mar 4, 2021
Amendments received before examination
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Mar 4, 2021
Letter accompanying subsequently filed items
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Nov 16, 2020
Oct 14, 2020
Notification of forthcoming publication
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Feb 26, 2020
Refund of fees
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Feb 10, 2020
Feb 10, 2020
European search opinion
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Feb 10, 2020
European search report
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Feb 10, 2020
Information on Search Strategy
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Feb 5, 2020
Priority search results copy provided by EPO
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Dec 18, 2019
Communication to designated inventor
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Dec 18, 2019
Communication to designated inventor
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Nov 4, 2019
Oct 29, 2019
Sep 25, 2019
Abstract
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Sep 25, 2019
Sep 25, 2019
Claims
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Sep 25, 2019
Description
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Sep 25, 2019
Designation of inventor
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Sep 25, 2019
Drawings
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Sep 25, 2019
Request for grant of a European patent
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