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The patent EP3524430 was granted to Ricoh on Dec 15, 2021. The application was filed on Jan 25, 2019 under application number EP19153731A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| EVONIK OPERATIONS | Sep 15, 2022 | F & E PATENT | ADMISSIBLE |
| EOS ELECTRO OPTICAL SYSTEMS | Sep 14, 2022 | MEISSNER BOLTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2009040870 |
| DESCRIPTION | JP2011099023 |
| DESCRIPTION | US6531086 |
| OPPOSITION | CA3021762 |
| OPPOSITION | DE102004010162 |
| OPPOSITION | DE102017211381 |
| OPPOSITION | EP2368696 |
| OPPOSITION | EP3524430 |
| OPPOSITION | JP2005301199 |
| OPPOSITION | JP2010180318 |
| OPPOSITION | JP2011063681 |
| OPPOSITION | JP2018019939 |
| OPPOSITION | JP2018122860 |
| OPPOSITION | JPH0477019B |
| OPPOSITION | US2006225252 |
| OPPOSITION | US2016038633 |
| OPPOSITION | US2019111617 |
| OPPOSITION | US5132143 |
| OPPOSITION | US6048954 |
| OPPOSITION | US7794647 |
| OPPOSITION | WO2009135521 |
| OPPOSITION | WO2011051250 |
| OPPOSITION | WO2011124278 |
| OPPOSITION | WO2013138204 |
| OPPOSITION | WO2014081594 |
| OPPOSITION | WO2017112723 |
| OPPOSITION | WO2017179139 |
| OPPOSITION | WO2018019727 |
| SEARCH | CA3021762 |
| SEARCH | JP2011132274 |
| SEARCH | US5532282 |
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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Means of redress
OPPO
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General enquiry
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Nov 18, 2021
Decision to grant a European patent
Search/Exam
Nov 5, 2021
(Electronic) Receipt
Search/Exam
Nov 5, 2021
Filing of the translations of the claims
Search/Exam
Nov 5, 2021
French translation of claims
Search/Exam
Nov 5, 2021
German translation of the claims
Search/Exam
Nov 5, 2021
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Jul 16, 2021
Text intended for grant (clean copy)
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(Electronic) Receipt
Search/Exam
Apr 23, 2021
Amended claims with annotations
Search/Exam
Apr 23, 2021
Amended description with annotations
Search/Exam
Apr 23, 2021
Claims
Search/Exam
Apr 23, 2021
Description
Search/Exam
Apr 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 23, 2021
Feb 16, 2021
Annex to the communication
Search/Exam
Feb 16, 2021
Communication from the Examining Division
Search/Exam
Feb 10, 2021
Examination started
Search/Exam
Nov 25, 2019
(Electronic) Receipt
Search/Exam
Nov 25, 2019
Nov 25, 2019
Amended claims with annotations
Search/Exam
Nov 25, 2019
Amendments received before examination
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Nov 25, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 20, 2019
Jul 17, 2019
Notification of forthcoming publication
Search/Exam
Jul 2, 2019
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European search opinion
Search/Exam
Jul 2, 2019
European search report
Search/Exam
Jul 2, 2019
Information on Search Strategy
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Jun 19, 2019
Search started
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Apr 2, 2019
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Jan 25, 2019
Abstract
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Jan 25, 2019
Jan 25, 2019
Claims
Search/Exam
Jan 25, 2019
Description
Search/Exam
Jan 25, 2019
Designation of inventor
Search/Exam
Jan 25, 2019
Drawings
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Jan 25, 2019
Request for grant of a European patent
Search/Exam