Seth E. Lipner now offers his 25 years of experience to professionals seeking expert witness or consulting services.  Prof. Lipner is qualified to testify in investor cases involving, inter alia, suitability, broker-dealer responsibilities, clearing firm liability , New York law, and on the applicability and interpretation of FINRA and NYSE rules and regulations. Prof. Lipner also testifies as an expert in cases involving legal malpractice. Rates charged are commensurate with the size and nature of the engagement.