佛山市知识产权网

同时检索多个专利数据库SurfIP(部分免费)
【简介】
SurfIP (http://www.surfip.gov.sg) is a vertical portal that offers
convenient access to multiple sources in one search operation.

Patent sources include the European Patent Office, the UK Patent Office, the
World Intellectual Property Organisation (WIPO), and the USPTO. Technical
resources include the ACM Digital Library and the IEEE web site. Business
resources include Hoovers Online and the Financial Times. SurfIP is also
linked up Web Search Engines that include Google, Northern Light, etc. so
that users only type in keywords once and can search 2 to 50
websources/databases at the same time.

SurfIP also provides aggregated search results for the patent databases
(i.e. a patent document which can be found separately in US PTO, EPO and
WIPO databases will have its title displayed only once in SurfIP. Below the
title of such patent documents, SurfIP will indicate the sources, where the
document can be found.

Searching in SurfIP is FREE.

检索加拿大专利

This database lets you access over 75 years of patent descriptions and images. You can search, retrieve and study more than 1,900,000 patent documents.

检索韩国专利
The KIPRIC (Korea Industrial Property Rights Information Center) offers free of charge KPA search service through the internet.

检索德国专利
This service is designed primarily for patent information novices, in particular, in small and medium enterprises, as well as at schools, universities and other scientific institutions. Due to limitations of equipment and bandwidth, it is not intended to be a source for bulk downloads. Bulk data may be purchased from DPMA at cost price.