India IP office

• Office of the Controller General of Patents, Designs and Trademarks

IP offices of other countries

• World Intellectual Property Organization (WIPO)
• United States Patent and Trademark Office (USPTO)
• European Patent Office (EPO)
• Office for Harmonization in the Internal Market (OHIM)
• Eurasian patent organization (EAPO)
• United Kingdom Patent Office
• Australian IP Office
• Canadian Intellectual Property Office (CIPO)
• German Patent and Trademark Office (DPMA)
• France Institut National de la Propriété Industrielle
• Spain Oficina Española de Patentes y Marcas (OEPM)
• Italian Patent and Trademark Office (UIBM)
• Belgian Office for Intellectual Property (OPRI)
• Belgium, the Netherlands, Luxembourg: The Benelux Office for Intellectual Property (BOIP) Danish Patent and Trademark Office
• Danish Patent and Trademark Office
• Finland National Board of Patents and Registration
• Norwegian Industrial Property Office
• Swedish Patent and Registration Office
• Swiss Federal Institute of Intellectual Property
• Russian Federal Service for Intellectual Property (Rospatent)
• China State Intellectual Property Office (SIPO)
• Japan Patent Office (JPO)
• Korean Intellectual Property Office (KIPO)
• Malaysian Intellectual Property Corporation (MyIPO)
• Brazilian National Institute of Industrial Property (INPI)
• Chilean National Industrial Property Institute (INAPI)
• South Africa Companies and Intellectual Property Commission (CIPC)

Free IP Databases

• EPO Espacenet
• Freepatentsonline
• OHIM CTM Online - Trademarks
• OHIM RCD Online - Designs
• USPTO Trademark Electronic Search System (TESS)
• WIPO ROMARIN: Madrid International Trademark System
• UK IPO: Trademarks