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The patent EP3482900 was granted to Ricoh on Jun 9, 2021. The application was filed on Oct 12, 2018 under application number EP18200043A. 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 |
|---|---|---|---|
| ARKEMA FRANCE | Mar 9, 2022 | ARKEMA PATENT | ADMISSIBLE |
| EVONIK OPERATIONS | Mar 9, 2022 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6531086 |
| DESCRIPTION | WO2017112723 |
| OPPOSITION | EP0555947 |
| OPPOSITION | EP3272787 |
| OPPOSITION | EP3272788 |
| OPPOSITION | EP3375608 |
| OPPOSITION | EP3415563 |
| OPPOSITION | EP3482900 |
| OPPOSITION | JP2017216016 |
| OPPOSITION | JP2018167424 |
| OPPOSITION | US2006225252 |
| OPPOSITION | US2006246287 |
| OPPOSITION | US2016038633 |
| OPPOSITION | US2834053 |
| OPPOSITION | US5132143 |
| OPPOSITION | US7794647 |
| OPPOSITION | WO2007048536 |
| OPPOSITION | WO2009135521 |
| OPPOSITION | WO2013090174 |
| OPPOSITION | WO2013138204 |
| OPPOSITION | WO2017112723 |
| SEARCH | JP2006106236 |
| SEARCH | US2009017395 |
| SEARCH | US9718218 |
| SEARCH | WO2017112723 |
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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Jun 22, 2021
May 14, 2021
Decision to grant a European patent
Search/Exam
Apr 29, 2021
(Electronic) Receipt
Search/Exam
Apr 29, 2021
Filing of the translations of the claims
Search/Exam
Apr 29, 2021
French translation of claims
Search/Exam
Apr 29, 2021
German translation of the claims
Search/Exam
Mar 18, 2021
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Intention to grant (signatures)
Search/Exam
Mar 18, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 18, 2021
Feb 3, 2021
Examination started
Search/Exam
Nov 12, 2019
(Electronic) Receipt
Search/Exam
Nov 12, 2019
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Amended claims with annotations
Search/Exam
Nov 12, 2019
Amended claims with annotations
Search/Exam
Nov 12, 2019
Amendments received before examination
Search/Exam
Nov 12, 2019
Letter accompanying subsequently filed items
Search/Exam
May 20, 2019
Apr 17, 2019
Notification of forthcoming publication
Search/Exam
Apr 9, 2019
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European search opinion
Search/Exam
Apr 9, 2019
European search report
Search/Exam
Apr 9, 2019
Information on Search Strategy
Search/Exam
Mar 26, 2019
Search started
Search/Exam
Dec 19, 2018
Dec 13, 2018
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Dec 5, 2018
Communication to designated inventor
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Dec 5, 2018
Communication to designated inventor
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Dec 5, 2018
Communication to designated inventor
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Dec 5, 2018
Communication to designated inventor
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Dec 5, 2018
Communication to designated inventor
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Dec 5, 2018
Communication to designated inventor
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Communication to designated inventor
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Dec 5, 2018
Communication to designated inventor
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Dec 5, 2018
Communication to designated inventor
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Dec 5, 2018
Communication to designated inventor
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Oct 12, 2018
Abstract
Search/Exam
Oct 12, 2018
Oct 12, 2018
Claims
Search/Exam
Oct 12, 2018
Description
Search/Exam
Oct 12, 2018
Designation of inventor
Search/Exam
Oct 12, 2018
Drawings
Search/Exam
Oct 12, 2018
Request for grant of a European patent
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