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Robert L. Sonfield Jr

Admissions, Affiliations

  • State Bar of Texas
  • US Supreme Court
  • US District Court Southern District of Texas
  • US Tax Court
  • US Court of Appeals
  • US Court of Claims
  • American Bar Association, Taxation Section
  • Houston Bar Association
  • Houston Bar Foundation
  • Lawyers Society of Houston
  • American Judicature Society
  • Texas Equal Access to Justice Foundation
  • International Association of Financial Planning


  • University of Houston
  • University of Houston College of Law
  • Securities Law studies under Louis Loss, Harvard Law School
  • Federal taxation studies, New York University


  • Phi Delta Phi legal fraternity, University of Houston
  • St. John Garwood Award for Scholarship
  • Martindale-Hubbell peer-reviewed ratings rated his ability and integrity "AV", the highest awarded, for over 25 years
  • College of the State Bar of Texas, an honorary society of lawyers who are among the best trained attorneys in Texas.  Members are qualified attorneys who are interested in both high ethical standards and improved training for all Texas attorneys. 

Past Professional Service

  • Houston Bar Association: Chairman, Inter-professional Relations Committee-Realtors; Subcommittee Chairman, District Committee on Admissions;  Continuing Legal Education Committee;  Chairman, Seminar, Securities Aspects of Real Estate Syndication; Chairman, Seminar, Real Estate Syndication; Counsel, Taxation Section 
  • State Bar of Texas: Clients Security Fund Committee, Vice-Chairman, Chairman;  Bar Candidates Committee; Clients Protection Committee; Interest on Lawyers Trust Account Committee
  • American Tax Lawyers Association, President
  • Legal Services to the Poor in Texas, Inc., Director
  • Texas State Historical Association, Fellow


Robert L. Sonfield, Jr, Senior Managing Partner


Mr. Sonfield provides specialized services in the areas of securities regulation, federal income taxation, financial services consulting and regulatory consulting as well consultation on emerging issues concerning innovative and complex financing, IPOs, mergers and acquisitions, and capital markets access.


The emphasis of Mr. Sonfield's practice is providing legal services to a carefully defined segment of the financial services industry and companies seeking access to capital markets.

Mr. Sonfield limits his practice to serving issuers of securities and the investment bankers who sell the securities to individual and institutional investors. Thus in his function as corporate counsel, the firm provides the legal services necessary for the public and private offering of debt and equity securities as well as the regulatory compliance required before, during and after the offering.

In its role as counsel to brokerage and investment banking clients, the firm participates in the negotiation and documentation of mergers, acquisitions and divestitures, the regulatory compliance required for those transactions and the internal regulatory compliance required of brokerages and investment banks.

Publications, Speeches, and Presentations

  • Seminar Chairman; Securities Aspects of Real Estate Syndication, Houston Bar Association CLE, 1971
  • Real Estate Syndication, Houston Bar Association CLE, 1973
  • Instructor, Federal and State Securities Law Organizer Liability, Real Estate Reorganizing and Bankruptcy Conference, 1986
  • “The Texas Limited Partnership as a Vehicle for Real Estate Investment,” St. Mary’s Law Journal, 1971
  • “Integration of Limited Partnership Offerings,” RESSI Newsletter, 1974
  • “Limited Partnership Taxation,” West 1975
  • “Corporate Financing by Sale of Securities to the Public,” Gulf Coast, 1972
  • “Mergers & Acquisitions,” Gulf Coast, 1973
  • “The Honorable (Dishonorable) John C. Watrous,” Houston Bar Journal 1975
  • “Tax Sheltered Research & Development Financing,” Paridigm 1985
  • The Grantor Trust Rules after the Tax Reform Act of 1986.  August 1986
  • Incentive Equity Program;  Corporate Name Protection along with Name Registration
  • A Guide to SEC Corporate Filing
  • Organizational Professionals’ Residual Litigation and Investment Strategy
  • Comparing California, Delaware and Nevada Corporate Laws in Light of California Corporations Code Section 2115
  • Offering of Unregistered Securities only to Accredited Investors
  • Disclosure Policies, Practice & Procedures for Public Companies
  • Regulation of Franchises; How to Become a Publicly Held Company Via the Registered Distribution of a Percentage of Your Company’s Stock to Shareholders
  • Patent, Trade Secrets, Trademark & Copyright Law:  A Primer; Using the SEC’s New Small Business Rules to Raise Capital and Simplify Reporting--Regulation D
  • Sales of Securities under Rule 144
  • Small Corporate Offering Regulation Form (Form U-7)
  • Trademark Scan--U.S. Federal; Incentive Stock Option Agreement
  • Stock Option Plans
  • Letter summarizing in nontechnical terms the principal obligations and responsibility of controlling persons of a company with outstanding publicly owned securities
  • Forms for Use by Foreign Private Issuers

Representative Engagements

Mr. Sonfield represents a wide range of clients in the capital formation process. Ventures financed by the firm’s client issuers or investment bankers include such diverse and innovative investment enterprises as rehabilitation of historic structures, oil and gas refining and exploration, government subsidized multi-family housing, cattle breeding, thoroughbred breeding, research and development, natural gas processing, mining of precious metals, conventionally financed multi-family housing, a broad diversity of financial instruments, cable television systems, equipment leasing, rare coin investment, motion picture production and distribution, office building construction and operation, shopping center construction and operation, office warehouse construction and operation, mini-warehouse construction and operation, cattle embryo transfer, co-generation, and a diverse selection of agricultural and agri-business investments. See a list of representative engagements here.

Jennifer Abney


Texas Tech University, Business Administration


Bruce G. Lokey Outstanding Senior Award, nominated by faculty

Jennifer Abney, Senior Legal Assistant


Jennifer began working at Sonfield & Sonfield in the Spring of 2012 where she has since sharpened her business focus in securities transactions, strategic planning, and corporate development. Her responsibilities include filing necessary forms related to Sonfield & Sonfield’s transactions with local, state, and SEC reporting firms including, but not limited to, the Secretary of State, the Securities and Exchange Commission (SEC), and the Financial Industry Regulatory Authority, Inc. (FINRA).  In addition to assisting Mr. Sonfield with client transactions, Jennifer also helps manage the day-to-day operations of the company and the company's social media.

Former Professionals:

Judge Leon Sonfield

Admitted to practice, Fifth Circuit Court of the US, 1898.

Texas State Council of Defense, 1917.

Presiding Judge of the newly created Section A of the Commission of Appeals which functioned as the Supreme Court of Texas, 1918-1921.

Read his bio here.

Leon Sonfield

Robert Leon Sonfield, Sr.

Admitted to practice, State Bar of Texas, 1914; US Commissioner for the Eastern District of Texas, 1916; US Supreme Court, 1945.

First Lieutenant, 143rd Infantry, 36th division; Staff Judge Advocate, Lt. Colonel, the Infantry School, Fort Benning, Georgia.

Elected City Attorney, City of West University Place, 1928.

Read his bio here and his memorial here.

Robert Leon Sonfield, Sr

George McNeil Sonfield

George Washington University Law School graduate, 1924, when he joined Sonfield & Sonfield.

Read his bio here.

George McNeil Sonfield

Franklin D. Roosevelt, Jr., Of Counsel

Admitted to practice, 1942; Of Counsel to Sonfield & Sonfield, 1981 until his death in 1988.

Elected to Congress, 1949, served through 1954; member Foreign Affairs Committee, Under-Secretary and acting Secretary of Commerce, first Chairman of the Equal Employment Opportunity Commission.

Read his bio here.

Franklin D. Roosevelt, Jr.


Sonfield & Sonfield, 2500 Wilcrest, Suite 300, Houston, Texas 77042 713.877.8333

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