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: 157 337 350 patent documents

This week's update (19/07/2024 12:00 CET):

219 431 new documents added

1 247 852 documents amended

GPI key values

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

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EP 3352298 B1 20190306 - MICROWAVE BACKSCATTER TRANSPONDER

Title (en)

MICROWAVE BACKSCATTER TRANSPONDER

Title (de)

MIKROWELLEN-BACKSCATTER-TRANSPONDER

Title (fr)

TRANSPONDEUR À RÉTRODIFFUSION PAR MICRO-ONDES

Publication

EP 3352298 B1 20190306 (DE)

Application

EP 17000107 A 20170123

Priority

EP 17000107 A 20170123

IPC 8 full level

H01Q 3/26 (2006.01); H01Q 1/22 (2006.01)

CPC (source: EP)

H01Q 1/2225 (2013.01); H01Q 3/2647 (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 3352298 A1 20180725; EP 3352298 B1 20190306

DOCDB simple family (application)

EP 17000107 A 20170123