home page of the united states patent and trademark office's main web site.

greyb is an innovation consulting firm that performs custom analysis on patents, research papers, and market reports to drive insights.

incopat global patent database, support ipc query tool, suppot using ipc number to search for related technology classification or use key words to find out related ipc number. while there is no matched classification number, the system will help recommend related numbers through ai.free trial ! use english and chinese to search 140 million patents of 120 authorities. reliable data source, ai search, 3d analyze. support 296 searching fields including patent litigation, patent family, citation and so on.

the benelux office for intellectual property (boip) is the official body for trademarks and designs registration in the benelux.