IP Verse

Security Devices And Methods Of Manufacture Thereof - EP3996931

The patent EP3996931 was granted to DE LA RUE on Nov 13, 2024. The application was originally filed on Jul 10, 2020 under application number EP20742405A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3996931

DE LA RUE
Application Number
EP20742405A
Filing Date
Jul 10, 2020
Status
Granted And Under Opposition
Oct 11, 2024
Publication Date
Nov 13, 2024
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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AUTHENTIXAug 13, 2025TURNERADMISSIBLE
LEONHARD KURZ STIFTUNGAug 12, 2025ZINSINGERADMISSIBLE

Patent Citations (46) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

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EXAMINATIONEP3470235
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INTERNATIONAL-SEARCH-REPORTWO2011107793
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Non-Patent Literature (NPL) Citations (13) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
DESCRIPTION- ANDERS KRISTENSEN et al., "Plasmonic colour generation", Nat. Rev. Mater., (20160000), vol. 2, no. 16088, pages 1 - 14
DESCRIPTION- "Artificial Media Optical Properties - Subwavelength Scale", Encyclopaedia of Optical Engineering, Encyclopaedia of Optical Engineering, (20030909), pages 62 - 71
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OPPOSITION- D41 - EPO Office Action dated 11.05.2023
OPPOSITION- D42 - Patentee response dated 12 September 2023
OPPOSITION- Erdogan Turan, "The Grating Equation ", Technical Notes, Plymouth Grating, (20180801), pages 1 - 6, Technical Notes, URL: https://www.plymouthgrating.com/wp-content/uploads/2018/08/PGL_TechNote_GratingEquation3.pdf, XP093307000
OPPOSITION- Popov Evgeny, "Chapter 1: Introduction to Diffraction Gratings: Summary of Applications", Gratings: theory and numeric applications, Institut Fresnel, CNRS, Université d’Aix-Marseille, (20120101), pages 1.1 - 1.23, ISBN 978-2-85399-860-4, XP093307003
OPPOSITION- Hisao Kikuta ; Hiroshi Toyota ; Wanji Yu, "Optical Elements with Subwavelength Structured Surfaces", Optical Review, Springer, Berlin, DE, Berlin, DE , (20030301), vol. 10, no. 2, doi:10.1007/s10043-003-0063-2, ISSN 1349-9432, pages 63 - 73, XP019353071
OPPOSITION- Shawn J Tan, Zhang Lei, Zhu Di, Xiao Ming, Goh, Ying Min, Wang Karthik, Kumar ⊥, Cheng-Wei, Qiu Joel K W, Yang, "Plasmonic color palettes for photorealistic printing with aluminum nanostructures", Nano Letters, United States , (20140709), vol. 14, no. 7, doi:10.1021/nl501460x, ISSN 1530-6984, pages 4023 - 4029, XP055235158
OPPOSITION- Kristensen Anders, Yang Joel K. W., Bozhevolnyi Sergey I., Link Stephan, Nordlander Peter, Halas Naomi J., Mortensen N. Asger, "Plasmonic colour generation", Nature Reviews Materials, Nature, vol. 2, no. 1, doi:10.1038/natrevmats.2016.88, ISSN 2058-8437, pages 16088 - 14, XP093260349
OPPOSITION- C. Genet, T. W. Ebbesen, "Light in tiny holes", Nature, (20070104), vol. 445, doi:10.1038/nature05350, pages 39 - 46, XP008080993
OPPOSITION- Yinghong Gu, Lei Zhang, Joel K. W. Yang, Swee Ping Yeo, Cheng-Wei Qiu, "Color generation via subwavelength plasmonic nanostructures", Nanoscale, Royal Society of Chemistry, United Kingdom, United Kingdom , (20150421), vol. 7, no. 15, doi:10.1039/C5NR00578G, ISSN 2040-3364, pages 6409 - 6419, XP055363682

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