Investigation of technical confidentiality points for trade secrets; sorting out technical secrets and excluding publicly known technologies. Our team of patent agents conducts technical confidentiality point identification and investigation for mechanical structures, equipment tooling, transmission mechanisms, drawings, circuit boards, source code, and process parameters, eliminating publicly known technologies, defining the boundaries between patent and trade secret protection, producing technical confidentiality point reports, and coordinating with law firms to complete the legal consolidation of confidential points, helping companies protect their trade secrets.