William T. Hassler

Steptoe & Johnson LLP

William Hassler’s practice encompasses a broad range of civil and criminal cases. Bill litigates a variety of civil disputes involving environmental matters, including enforcement issues relating to pipeline spills. His experience includes the trial of CERCLA liability issues, as well as defense of civil environmental enforcement actions, criminal environmental enforcement matters, and criminal and civil claims relating to alleged corporate misconduct, including the defense of Tyco’s former general counsel.

Bill also represents companies and individuals subject to criminal investigation. He has handled cases involving complex environmental matters, charges of healthcare fraud, other corporate misconduct, the regulation of medical devices, and the representation of witnesses subject to investigation by Congressional committees.

During his tenure at the Office of Independent Counsel at the Department of Justice, Bill served as a prosecutor investigating the Iran/Contra affair.

Professional Affiliation:

  • American Bar Association, Litigation Section; Section of Natural Resources, Energy and Environmental Law

Previous Employment:

  • Prosecutor, Office of Independent Counsel, US Department of Justice
  • Prosecutor, Environmental Crimes Section, US Department of Justice
  • Special Assistant to the Director, Federal Bureau of Investigation


  • J.D., Yale Law School, 1980
  • B.A., University of North Carolina, 1977


Rate : $$$

What types of cases Attorney William T. Hassler & Steptoe & Johnson LLP can handle?
Steptoe & Johnson LLP can handle cases related to laws concerning Insurance, White Collar Crime, Health Care, Energy Utilities & Environmental. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Steptoe & Johnson LLP located?
Steptoe & Johnson LLP is located at 1330 Connecticut Ave NW, Washington, DC 20036, USA. You can reach out to Steptoe & Johnson LLP using their phone line 202 429 6469. You can also check their website steptoe.com.
How much would it cost to hire Steptoe & Johnson LLP?
William T. Hassler 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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Steptoe & Johnson LLP
Connecticut Avenue Northwest 1330
Washington 20036 DC US
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