Steinhorn, Irwin H.

  Oklahoma City, Oklahoma, USA
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Irwin Steinhorn practices in the area of general corporate, securities, merger and acquisition, and environmental matters.  Mr. Steinhorn has represented companies in their initial public offerings, secondary public offerings and private placements of common equity and debt, venture capital financings, commercial bank financings, and other forms of financing programs, and has represented companies in international transactions and waste management companies in connection with their various environmental matters.  For approximately 20 years Mr. Steinhorn served as an executive officer and general counsel for several New York Stock Exchange companies, and for over 25 years has served as an adjunct professor of law teaching courses in corporate/securities, agency/partnership and limited liability company, and environmental areas.  Mr. Steinhorn has also been a frequent lecturer at various universities, law schools, legal seminars and business groups on issues involving corporate/securities, mergers and acquisitions, and environmental matters.  He has served as Chairman of the Business Association Section of the Oklahoma Bar Association, is a member of the Executive Board of Oklahoma City University School of Law and is listed in The Best Lawyers in America in the corporate/securities category.

  • University of Texas at Austin (LL.B., 1964; B.B.A., 1961)
Bar admissions & years:
  • Oklahoma - 1970
  • Texas - 1964
  • U.S. District Court, W.D. of Oklahoma - 1970
  • U.S. District Court, N.D. of Texas - 1965
Memberships & Affiliations:
  • American Bar Association (Business Law Section Committee on Corporate Laws)
  • Oklahoma Bar Association
  • Texas Bar Association
Other distinctions:
  • American Bar Association Business Law Section Committee, Oklahoma Representative 1999-present
  • Oklahoma Business Corporations Committee, 1984-present
  • Oklahoma Securities Commission Advisory Committee 1986-1994
  • Oklahoma Bar Association Business Law Section Chairman 1988-1989
  • Oklahoma Bar Association Business Law Section Chairman Elect 1987-1988
  • Oklahoma Bar Association Secretary-Treasurer 1987-1987
  • Oklahoma Venture Forum Board of Directors Member 2000-2004
  • Oklahoma City University School of Law Executive Board
  • Oklahoma City University School of Law Adjunct Professor (Corporations, Agency/Partnerships, Securities Regulations, Advanced Corporate Law, and Environmental Law)
  • Phi Alpha Delta
  • USPCI, Inc. (NYSE) Vice President and General Counsel 1986-1988
  • LSB Industries, Inc. (NYSE) Senior Vice President and General Counsel 1971-1986
  • Listed in The Best Lawyers in America (Corporate, Mergers and Acquisitions, and Securities Law)
  • Listed in Who's Who in America
  • Listed in Who's Who in American Law
  • Listed in Who's Who in the World
  • Listed in Who's Who of Emerging Leaders in America
  • Author: "Corporate Compliance Under the Regulations Implementing Sarbanes-Oxley," Consumer Finance Law, Quarterly Report, Vol. 60, No. 1, Spring 2006
  • 2004 Commercial Law Update - "Corporate Compliance Under Sarbanes-Oxley", The Oklahoma Bar Review CLE and The Conference on Consumer Finance Law, 2004
  • Keynote Speaker: "Corporate Governance under Sarbanes-Oxley", 21st Annual Business Symposium, University of Central Oklahoma, 2004
  • "2002 Commercial Law Update- Impact of Recent Events and Sarbanes-Oxley on Corporate Governance, Accounting and Securities Law Issues", Oklahoma Bar Association and The Conference on Consumer Finance Law, 2002
  • "Being House Counsel - The Ins and Outs," Oklahoma Bar Association, 2002
  • "Public Company Disclosure and Governance in the Post-Enron World," Oklahoma City University School of Law, 2002.
  • "Mergers & Acquisitions," The Cambridge Institute 1999
  • University of Oklahoma School of Law: "Fourth Annual Corporate Law Institute" 1993; "Fourth Annual Environmental Law Seminar" 1993 "Third Annual Corporate Law Institute" 1992 "Third Annual Environmental Law Institute" 1992; "Second Annual Corporate Law Institute" 1991; "Second Annual Environmental Law Institute" 1991; "Corporate Law Institute" 1990; "Environmental Law: Hazardous Waste in the '90's" 1990; and "New Oklahoma General Corporation Act" (Oklahoma City and Tulsa, Oklahoma) 1986
  • "Environmental Law - The Basics from A to Z," Oklahoma Bar Association 1992
  • "Practical Guides and Steps in Representing Clients Affected by the Comprehensive Environmental Response, Compensation and Liability Act, Superfund," Oklahoma Bar Association Banking and Commercial Law Section 1988
  • "RCRA Regulations Court," Government Institutes, Inc. 1988
  • Oklahoma City University School of Law: "Representing the Closely-Held Corporation" 1988; "Corporations and Corporate Law" 1987; "New Oklahoma General Corporation Act" 1986; "Securities Aspects of Mergers and Acquisitions" 1984
  • "Stockholder Derivative Actions" Annual Meeting of the Oklahoma Bar Association, Business Association Section 1983