The patent EP3521917 was granted to Wuxi Vision Peak Technology on Mar 3, 2021. The application was originally filed on Aug 29, 2017 under application number EP17922352A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN101101394 |
| INTERNATIONAL-SEARCH-REPORT | CN101697050 |
| INTERNATIONAL-SEARCH-REPORT | CN102033381 |
| INTERNATIONAL-SEARCH-REPORT | CN105223754 |
| INTERNATIONAL-SEARCH-REPORT | KR20070088997 |
| INTERNATIONAL-SEARCH-REPORT | US2006291034 |
| OPPOSITION | EP1881400 |
| OPPOSITION | JP2005043810 |
| OPPOSITION | US2006103916 |
| OPPOSITION | US2007121194 |
| OPPOSITION | US2009225064 |
| OPPOSITION | US2010144229 |
| OPPOSITION | US2012002268 |
| OPPOSITION | US2017176836 |
| OPPOSITION | US2017176837 |
| OPPOSITION | US7876493 |
| SEARCH | US2006103916 |
| SEARCH | US2007121194 |
| SEARCH | US2007146309 |
| SEARCH | US2010144229 |
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 |
|---|---|
| OPPOSITION | - T. NAGAMATS U et al., "Batch Bonding Connection changing Flip Chip Bonding technology", Polytronic 2007 - 6th International Conference on Polymers and Adhesives in Microelectronics and Photonics, (20070000), pages 119 - 124, XP031139351 |
| OPPOSITION | - Jang, J., "Displays develop a new flexibility", Materials Today, ELSEVIER, AMSTERDAM, NL, AMSTERDAM, NL , (20060401), vol. 9, no. 4, doi:10.1016/S1369-7021(06)71447-X, ISSN 1369-7021, pages 46 - 52, XP005350644 |
| OPPOSITION | - Quesenberry Matthew J., Et Al, "Characterization of Low Density Glass Filled Epoxies", ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD WEAPONS AND MATERIALS RESEARCH DIRECTORATE, Defense Technical Information Center, Fort Belvoir, VA, Fort Belvoir, VA, doi:10.21236/ADA412137, (20030301), pages 1 - 29, ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD WEAPONS AND MATERIALS RESEARCH DIRECTORATE, URL: https://permanent.fdlp.gov/gpo1520/ARL-TR-2938.pdf, (20211220), XP055874799 |
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Decision to grant a European patent
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(Electronic) Receipt
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Examination started
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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European search opinion
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Information on Search Strategy
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Supplementary European search report
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Enquiry with the International Bureau
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Notification of forthcoming publication
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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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(Electronic) Receipt
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Abstract
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Claims
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Description
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Drawings
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Apr 19, 2019
Request for entry into the European phase
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Mar 20, 2019
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Copy of the international search report
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International publication pamphlet
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