World Intellectual Property Organization (WIPO)
World Trade Organization (WTO)
United Nations Educational, Scientific and Cultural Organization (UNESCO)
International Council for Scientific and Technical Infomation

International Telecommunication Union

Korean Intellectual Property Office (KIPO)
Japan Patent Office (JPO)
United States Patent and Trademark Office (USPTO)
State Intellectual Propery Office or P.R.China (SIPO)
Taiwan Intellectual Property Office (TIPO)
German Patent and Trademark Office
IP Australia
Hong Kong Intellectual Property Department

Intellectual Property Office of Singapore (IPOS)

Korea Intellectual Property Rights Information Service
European Patent Office esp@cenet
Japan Patent Office Industrial Property Digital Library
USPTD Database
WIPO Digital Library
NDSL(National Digital Science Library)
World wide Intellectual Property Search, WIPS


Korean Patent Attorney’s Association
Korea Institute of Patent Information
Korean patent analysis report service in KIPI
Korea Invention Promotion Association
KISTI(Korea Institute of Science and Technology Information)
Korea Technology Transfer Center
Korea Industrial Property Law Association
Korea Institute of Intellectual Property
R&D Patent Center
Japan Institute of Invention and Innovation (JIII)
Japan Patent Information Organization (JAPIO)
Industrial Property Cooperation Center (IPCC)
Patent Application Processing Center (PAPC)
Internation Association for the Protection of Intellectual Property (AIPPI JAPAN)
Institute of Intellectual Property (IIP)
Japan Intellectual Property Association (JIPA)
Japan Patent Attorney Association (JPAA)
Japan External Trade Organization (JETRO)
Intellectual Property Right Beijing Office JETRO BEIJING
Japan-China Economic Association
Osaka Prefectural Patent Information Center
International Association for the Protection of Intellectual Property(AIPPI)
Supreme Court of Japan
Intellectual Property Owners Association (IPO)
Biotechnology and US patents
US Patent Act
Fachinformationszentrum(FIZ) Karlsruhe
Great Lake Patent & Trademark Center
IBM Patent Server
Mogee Research & Analysis Associates
STO's Internet Patent Search System
Japan Foods Patent Center (JFPC)