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: 159 679 824 patent documents

This week's update (08/11/2024 12:00 CET):

164 112 new documents added

576 445 documents amended

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EP 3982339 B1 20231129 - METHOD AND DEVICE FOR THE ACOUSTIC VERIFICATION OF THE AUTHENTICITY OF AN IDENTITY, VALUE OR SECURITY DOCUMENT

Title (en)

METHOD AND DEVICE FOR THE ACOUSTIC VERIFICATION OF THE AUTHENTICITY OF AN IDENTITY, VALUE OR SECURITY DOCUMENT

Title (de)

VERFAHREN UND VORRICHTUNG ZUR AKUSTISCHEN VERIFIKATION DER ECHTHEIT EINES AUSWEIS-, WERT- ODER SICHERHEITSDOKUMENTS

Title (fr)

PROCÉDÉ ET DISPOSITIF DE VÉRIFICATION ACOUSTIQUE DE L'AUTHENTICITÉ D'UN DOCUMENT D'IDENTIFICATION, DE VALEUR OU DE SÉCURITÉ

Publication

EP 3982339 B1 20231129 (DE)

Application

EP 21201345 A 20211007

Priority

DE 102020126439 A 20201008

IPC 8 full level

G07D 7/08 (2006.01)

CPC (source: EP)

G07D 7/08 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3982339 A1 20220413; EP 3982339 B1 20231129; DE 102020126439 A1 20220414; ES 2967906 T3 20240506; PL 3982339 T3 20240402

DOCDB simple family (application)

EP 21201345 A 20211007; DE 102020126439 A 20201008; ES 21201345 T 20211007; PL 21201345 T 20211007