William L. Siegel: Lawyer with Cowles & Thompson A Professional Corporation

William L. Siegel

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AV® Preeminent

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Practice Areas

  • Bankruptcy and Creditors' Rights
  • Commercial / Business Litigation
  • Corporate and Business
  • Real Estate Litigation
  • Financial Institutions
  • Hospitality and Lodging
  • Real Estate / Real Estate Finance
University Miami University - Ohio, B.S., 1979
Law SchoolUniversity of Toledo College of Law, J.D., 1982
Admitted1982, Texas; U.S. Court of Appeals for the Fifth Circuit; U.S. District Court, Northern District of Texas; U.S. District Court, Eastern District of Texas; U.S. District Court, Southern District of Texas; U.S. District Court, Western District of Texas

Memberships & Affiliations

•Member, State Bar of Texas
•Member, Dallas Bar Association
•American Bar Association
•Rotary Club of Park Cities
•Board Member, North Dallas Chamber of Commerce
•Texans for Tort Reform
•Board Member, Dallas Arts District Alliance, Inc.
•Board Member, Big Thought, Inc., f/k/a Young Audiences, North Texas


William L. Siegel is a Shareholder in the Corporate and Business Law Practice Group and Bankruptcy section head. His Experience ranges from representing individuals and business entities in their corporate and transactional affairs including drafting and negotiating agreements of all types, and representing individuals and business entities in disputes giving rise to litigation in State and Federal Courts. He also represents debtors, creditors, Trustees, and Committees in bankruptcy matters in Chapter 7 liquidations and Chapter 11 reorganizations. His clients include small and medium size businesses, start-up technology companies, and partnerships.

He is a member of the State Bar of Texas, Dallas Bar Association, American Bar Association, Rotary Club of Park Cities, North Dallas Camber of Commerce Board member, Texans for Tort Reform, Dallas Arts District Alliance, Inc. Board member, and Big Thought, Inc. f/k/a/ Young Audiences, North Texas Board member. Bill was born in Toledo, Ohio in 1957, and received his preliminary education in Toledo. He obtained a Bachelor of Science Degree in Finance in 1979 from Miami University in Ohio. Bill then earned his law degree from the University of Toledo College of Law in 1982, where he was a member of the Moot Court Board. He was admitted to the State Bar of Texas in 1982 and is admitted to practice in all United States District Courts of Texas, and the U.S. Court of Appeals for the Fifth Circuit.


•Bill Siegel moderated a panel discussion on Real World Tax Advice for the Rest of Us at the North Dallas Chamber of Commerce 1st Tuesday Connections program on November 3, 2015.
•Bill Siegel spoke at the Cowles & Thompson Legal Risk Management Seminar at the Frisco Chamber of Commerce on October 28, 2015 regarding advantages and disadvantages of Corporations including S Corps. and C Corps., Limited Liability Companies including Series and Single Member Limited Liability Companies, and Partnerships including General, Limited and Registered Limited Liability Partnerships and keeping them and the owners out of trouble.
•Bill Siegel spoke at the Dallas Bar Association North Dallas Clinic on December 12, 2014 on An Overview of Bankruptcy - It's a Jungle Out There.
•Bill Siegel was interviewed on August 4, 2010 by Joe Thomas of CBS 11 TV and Tracy Kornet of KTXA 21 regarding the Bankruptcy and Action of the Texas Rangers.
•Bill Siegel was quoted in a Dallas Business Journal article entitled “Still no decision on Rangers sale” dated June 15, 2010.
•On Tuesday, June 15, 2010, Bill Siegel was interviewed by Austin York on KRLD News Radio 1080 AM regarding the Texas Rangers breakup fee between Greenberg and Ryan.
•Bill Siegel was quoted in a Dallas Business Journal article entitled “Greenberg-Ryan could get $10M breakup fee” dated June 14, 2010.
•Bill Siegel was quoted in a Star-Telegram article entitled “Bankruptcy next step in Texas Rangers saga as Hicks tries to wrap up sale” dated May 24, 2010.
•Bill Siegel was quoted in a Dallas Business Journal article entitled VarTec founders seek end to suit - Mitchells' lavish lifestyle remains key issue dated August 10, 2009.
•Bill Siegel was quoted in a Dallas Business Journal article entitled Superior Air Parts action likely to focus on equity dated July 28, 2009.
•Bill Siegel was quoted In a Dallas Business Journal article entitled SBA to take control of fund that owes money dated May 22, 2009.
•On Thursday, November 20, 2008, Bill Siegel was interviewed by Shaun Rabb of Fox4News in a story entitled Auto dealerships Discuss Bailout Possibility:
•Author: “Attorney Liability -- Is This the New Twilight Zone?” The University of Memphis Law Review, Volume 27, Number 1, 1997.
•“Treatments of Covenants Not to Compete in Bankruptcy, ” ABA Spring Conference.
•Speaker: ABA Business Law Section Semi-Annual Meeting, Nashville, Tennessee, 1996, and San Francisco, California, 1999.
•Speaker: National Conference of Bankruptcy Judges (San Diego, California), Memphis Bar Association, 1996.
•Speaker: National CLE Conference -- Bankruptcy Law; Texas Real Estate Commission; and frequent lecturer to various professional organizations regarding corporate law and bankruptcy.
•Speaker: 2007 Tax & Accounting Expo; East Texas Chapter, Texas Society of Certified Public Accountants.
•Bill Siegel has been interviewed on numerous occasions on KRLD-AM 1080 regarding the American Airlines and Hostess bankruptcies.


Nov. 3, 2014 - KTVT CBS11news Rangers Bankruptcy

Oct. 28, 2014 - KTXA TV21 Rangers Bankruptcy

Reported CasesExperience: Business Representation; Representation of numerous businesses as their general counsel. Such representation includes handling their transactional and corporate affairs ranging from lease negotiations, asset and stock sales, employment/non-compete/confidentiality issues, strategic planning, as well as day to day issues which arise in their ordinary course of business.; Representation of numerous businesses in disputes ranging from breach of contract, fraud, deceptive trade practices, collection.; Representation of shareholders and partners in minority shareholder/partner oppression disputes/lawsuits.; Bankruptcy Matters; Represents debtors, creditors and trustees in Chapters 7 and 11 bankruptcy proceedings.; Assists debtors in informal workouts with the goal of avoiding a bankruptcy filing.; Currently represents equipment financing companies in numerous bankruptcies in Texas regarding motions to assume or reject equipment financing leases and motions to modify the automatic stay to take possession of equipment.; Currently represents landlords regarding motions to assume or reject leases and motions to modify the automatic stay to take possession of the premises.; Represents creditors and equity interest holders in bankruptcy and workouts.; Represent creditors in Chapter 5 (preference and fraudulent conveyance) related bankruptcy adversary proceedings.

Documents by this lawyer on Martindale.com

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Internal Investigations -- Attorney Client Privilege
William L. Siegel, June 25, 2015
When investigating internal allegations of company wrong doing, companies must take care to ensure the preservation of the attorney-client privilege and the confidentiality of its internal communications.

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Office Information

William L. Siegel

901 Main Street, Suite 3900
DallasTX 75202


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