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: 156 511 693 patent documents

This week's update (14/06/2024 12:00 CET):

200 241 new documents added

1 026 356 documents amended

GPI key values

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

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EP 1502157 A1 20050202 - LENS CONSISTING OF A CRYSTALLINE MATERIAL

Title (en)

LENS CONSISTING OF A CRYSTALLINE MATERIAL

Title (de)

LINSE AUS KRISTALLMATERIAL

Title (fr)

LENTILLE EN MATIERE CRISTALLINE

Publication

EP 1502157 A1 20050202 (DE)

Application

EP 02807393 A 20021113

Priority

EP 02807393 A 20021113
EP 0212690 W 20021113
EP 0205050 W 20020508

IPC 1-7

G03F 7/20; G02B 1/02

IPC 8 full level

G02B 1/02 (2006.01); G03F 7/20 (2006.01)

Citation (search report)

See references of WO 03096124A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

DOCDB simple family (publication)

EP 1502157 A1 20050202

DOCDB simple family (application)

EP 02807393 A 20021113