Richard K. Hansen

Richard K. Hansen

Practice Areas

  • Corporations
  • Mergers and Acquisitions
  • Business Transactions
  • Intellectual Property Licenses

Education and Bar Admissions

Oregon State University, B.S., 1961

Law School
University of Southern California, JD, 1969

Bar Admissions
California 1971; United States District Court, Central District, 1973


Mr. Hansen is a founding partner of HANSEN SETO, LLP. He was born in central California and grew up in various places along the West Coast from California to Alaska. After graduating from Oregon State University with a major in business and a minor in industrial engineering, he worked for several years selling industrial equipment and providing industrial engineering services. He then served as a contract administrator for several aerospace companies until 1961, during which time he attended University of Southern California School of Law, where he received a JD.

Following law school, Mr. Hansen joined the law department of Pertec Corporation, rising to Vice President, General Counsel. During that period, Pertec was actively engaged in mergers and acquisitions and became registered on the New York Stock Exchange. In addition to serving as general counsel, Mr. Hansen was one of a three-member Office-of- the-President, overseeing business operations of the corporation. When the company was sold, Mr. Hansen joined the law firm of Riordan & McKenzie in Los Angeles, California, specializing in initial public offerings, mergers and acquisitions and general business. After leaving Riordan and McKenzie, he practiced 12 years as a sole practitioner and of counsel to another law firm, specializing in corporate securities, small-cap IPOs, mergers and acquisitions, intellectual property licensing and general business Law. In 1994, Mr. Hansen co-founded the law firm of Pettilon & Hansen, continuing to specialize in securities, intellectual property licensing and business matters.

In 2004, Mr. he joined Raymond Seto to form HANSEN SETO, LLP. He continues to focus on startup and medium-sized businesses, mergers and acquisitions, IP licensing and general business Law. Because of his background and experience in business operations and industrial engineering, he can provide clients with practical business and operations counseling in addition to legal advice.

Awards and Publications

  • Contributing Author, Bancroft Whitney, “California Business Transactions Forms,” Chapter 9.
  • Contributing Author, Petillon & Hull, West Group, “Representing Start-Up Companies”