"Industrial and commercial investigation and litigation rights of intellectual property infringement cases, and the collection of evidence of intellectual property infringement; Customs protection of intellectual property rights; Non-traditional trademarks (three-dimensional trademarks, colors, etc.). ) the overall strategic planning of registration and protection; Risk control and operation of international trademark registration under the single country and Madrid system: review of trademark rejection cases; The cause of action of third-party disputes and disputed cases; Provide planning and operation of well-known trademark recognition for commerce, industry and justice.