The patent EP3196262 was granted to Canon Kabushiki Kaisha on Jun 7, 2023. The application was originally filed on Sep 30, 2016 under application number EP16191819A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JPH05179183 |
| OPPOSITION | EP2889344 |
| OPPOSITION | US2002077385 |
| OPPOSITION | US2004069183 |
| OPPOSITION | US2006238588 |
| OPPOSITION | US2008280043 |
| OPPOSITION | US2010225707 |
| OPPOSITION | US2011273508 |
| OPPOSITION | US2013307912 |
| OPPOSITION | US2014204156 |
| OPPOSITION | US2015035896 |
| OPPOSITION | US2015251456 |
| OPPOSITION | US2015267067 |
| OPPOSITION | WO2007053564 |
| SEARCH | US2013068131 |
| SEARCH | US2014253618 |
| SEARCH | US2014364548 |
| SEARCH | US2015035896 |
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text |
|---|---|
| DESCRIPTION | - "Explanation of Test Method of Liquid Absorptivity of Paper and Paperboard", JAPAN TAPPI PAPER PULP TEST METHOD NO. 51 |
| OPPOSITION | - Anonymous, "Viscosity of Ink - viscosity table and viscosity chart :: Anton Paar Wiki", Anton Paar Wiki, (20200317), pages 1 - 8, Anton Paar Wiki, URL: https://wiki.anton-paar.com/en/ink/, (20200702), XP055710999 |
| OPPOSITION | - Glenn Elert, Julia Sherlis, "Thickness of a Piece of Paper - The Physics Factbook", (20011231), URL: https://hypertextbook.com/facts/2001/JuliaSherlis.shtml, (20180316), XP055460218 |
| OPPOSITION | - Karl-Heinz Schweikart, Et Al, "Dynamic Surface Tension: A Key Parameter for Excellent Ink Jet Preparations", DPP2005: IS&T's International Conference on Digital Production Printing and Industrial Applications, (20050101), pages 161 - 164, DPP2005: IS&T's International Conference on Digital Production Printing and Industrial Applications, URL: https://www.imaging.org/site/PDFS/Papers/2005/DPP-0-693/32347.pdf, (20200702), XP055711004 |
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Decision to grant a European patent
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(Electronic) Receipt
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Filing of the translations of the claims
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French translation of claims
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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Communication to designated inventor
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European search opinion
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European search report
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Search started
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Abstract
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Claims
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Description
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Designation of inventor
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Request for grant of a European patent
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