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

GPI key values

Run regular monitoring (e.g. monthly or quarterly) of technical areas or companies

Use built-in charts to visualise technical trends and patenting activity of companies

Choose the data you want to see and download to focus on what you are interested in

Run data quality assessments to measure the risk of incomplete search results

EP 1141878 A2 20011010 - NORMALIZATION, SCALING, AND DIFFERENCE FINDING AMONG DATA SETS

Title (en)

NORMALIZATION, SCALING, AND DIFFERENCE FINDING AMONG DATA SETS

Title (de)

NORMALISIERUNG, SKALIERUNG UND DIFFERENZIERUNG ZWISCHEN DATENSÄTZEN

Title (fr)

NORMALISATION, CHANGEMENT D'ECHELLE ET RECHERCHE DES DIFFERENCES ENTRE DES ENSEMBLES DE DONNEES

Publication

EP 1141878 A2 20011010 (EN)

Application

EP 00903107 A 20000105

Priority

US 0000167 W 20000105
US 11480699 P 19990105
US 47727300 A 20000104

IPC 1-7

G06F 19/00

IPC 8 full level

C12N 15/09 (2006.01); C12Q 1/68 (2006.01); G06F 17/15 (2006.01); G06F 17/18 (2006.01); G06F 17/30 (2006.01); G06F 19/00 (2006.01)

Citation (search report)

See references of WO 0041122A2

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 1141878 A2 20011010; JP 2002539768 A 20021126

DOCDB simple family (application)

EP 00903107 A 20000105; JP 2000592779 A 20000105