Leslie Thorne

Haynes and Boone LLP

Leslie Conant Thorne has successfully represented the nation’s largest and most prominent corporations, as well as smaller and emerging companies. When it comes to complex commercial litigation, cyber-related liabilities and insurance matters, a lawyer needs to understand her clients’ big picture business goals and objectives. Approaching disputes from this business-oriented perspective.

Leslie not only develops and executes effective strategies, she also makes sure that her clients are part of the process at every step. The better informed her clients are, the better able they are to make critical decisions affecting their businesses.

In recent litigation matters, Leslie secured dismissal of fiduciary duty and minority oppression claims against major shareholders of a healthcare corporation, obtained a temporary restraining order and injunction against a foreign sovereign pending an international arbitration of an oil and gas dispute, obtained a total trial victory for a corporate defendant in a breach of contract dispute, and secured a settlement for a national energy company in connection with a failed ethanol venture.

Clients also rely on Leslie’s counsel in dealing with underwriting and risk management issues, including drafting and negotiating insurance policies, insurance and indemnification provisions in corporate transactions, and claims presentation to insurers.

Leslie is a relentless advocate for her policyholder clients, representing them in connection with policies covering cyber liability, environmental and pollution liability, products liability, trade credit risks, professional liability, intellectual property claims, general liability, directors’ and officers’ liability, commercial crime, property losses and business interruption.

Her extensive experience and strength in creatively analyzing complex coverage disputes enables her to develop effective strategies for quickly and cost-effectively obtaining the maximum recovery.

Apart from the work for her clients, Leslie is widely recognized as a leader in the legal community and the community at large. Leslie currently serves on the Robert W. Calvert Inn of Court and as an ABA Insurance Coverage Litigation Additional Insured Subcommittee co-chair. Leslie and her work have appeared in—among others—Insurance Journal, Texas Lawyer, Austin Business Journal, Intellectual Property & Technology Law Journal, Corporate Counsel Review, Executive Counsel Magazine and many ABA publications.

Leslie also speaks frequently at local, state and national conferences and seminars on all manner of insurance, energy and construction-related topics, from cyber coverage to indemnification agreements to negotiating large construction projects. Leslie served as the board chair for non-profit Manos de Cristo, which provides basic needs, education and dental services to Austin’s disadvantaged population, and she currently serves on the Boards of Keep Texas Beautiful and Texas Appleseed.


  • J.D., University of Texas at Austin School of Law, 2004, Member, Texas Review of Entertainment and Sports Law
  • B.A., University of Texas at Austin, 2001


  • New York, 2015
  • Texas, 2004


  • U.S. District Court for the Northern District of Texas, 2005
  • U.S. District Court for the Southern District of Texas, 2006
  • U.S. Court of Appeals for the Fifth Circuit, 2006
  • U.S. District Court for the Western District of Texas, 2008
  • United States Supreme Court, 2017


Rate : $$$

What types of cases Attorney Leslie Thorne & Haynes and Boone LLP can handle?
Haynes and Boone LLP can handle cases related to laws concerning Real Estate, Litigation, Insurance, Health Care, Privacy, Product Liability, Energy Utilities & Environmental. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Haynes and Boone LLP located?
Haynes and Boone LLP is located at 600 Congress Ave #1300, Austin, TX 78701, USA. You can reach out to Haynes and Boone LLP using their phone line 512.867.8445. You can also check their website haynesboone.com or email them at [email protected].
How much would it cost to hire Haynes and Boone LLP?
Leslie Thorne lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Haynes and Boone LLP
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Austin 78701 TX US
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