China Patent Search-provides patent search functions such as keyword search, advanced patent search, simple search, table search, IPC patent search and synonym list. All patents of applicants and inventors over the years; All patents handled by patent agencies and agents, as well as legal status and family patents.
International patent retrieval
International patent search-provides a convenient channel to update 1 100 million international patents synchronously with the international patent database, and downloads the world patent tools for free patent search.
Provide a communication platform for patent technicians!