GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 156 978 933 patent documents

This week's update (05/07/2024 12:00 CET):

169 914 new documents added

2 331 667 documents amended

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EP 1609121 A1 20051228 - SECURITY MARK COMPRISING A LIGHT-EMITTING DIODE

Title (en)

SECURITY MARK COMPRISING A LIGHT-EMITTING DIODE

Title (de)

SICHERHEITSMERKMAL MIT EINER LICHT EMITTIERENDEN DIODE

Title (fr)

MARQUE DE SECURITE COMPORTANT UNE DIODE ELECTROLUMINESCENTE

Publication

EP 1609121 A1 20051228 (DE)

Application

EP 04712538 A 20040219

Priority

EP 2004001623 W 20040219
DE 10314162 A 20030328

Abstract (en)

[origin: WO2004086315A1] A product comprises a security-mark element containing a light-emitting diode.

IPC 1-7

G07D 7/00

IPC 8 full level

B42D 15/00 (2006.01); G07D 7/00 (2006.01); G07D 7/12 (2006.01); H01L 51/42 (2006.01)

CPC (source: EP)

B42D 25/29 (2014.10); G07D 7/01 (2017.05); G07D 7/12 (2013.01); H10K 30/50 (2023.02)

Citation (examination)

WO 03057500 A1 20030717 - BUNDESDRUCKEREI GMBH [DE], et al
WO 03057502 A1 20030717 - BUNDESDRUCKEREI GMBH [DE], et al
See also references of WO 2004086315A1

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 2004086315 A1 20041007; WO 2004086315 A8 20041223; DE 10314162 A1 20041216; EP 1609121 A1 20051228

DOCDB simple family (application)

EP 2004001623 W 20040219; DE 10314162 A 20030328; EP 04712538 A 20040219