William Whitehill practices in the areas of taxation, civil tax controversies, real estate, commercial litigation and general business law. He also is a certified public accountant (inactive).
 

Education

• Juris Doctor (University of Oklahoma, with honors, 1986)
• Bachelor of Science (Cameron University, 1983)

Bar Admissions

• U.S. Supreme Court, 2009
• U.S. District Court for the Eastern District of Oklahoma, 2009
• U.S. District Court for the Northern District of Oklahoma, 1996
• U.S. Court of Appeals for the 10th Circuit, 1993
• U.S. Tax Court, 1987
• U.S. District Court for the Western District of Oklahoma, 1986
• Oklahoma, 1986

Professional Memberships

• American Bar Association
• Oklahoma Bar Association
• Oklahoma County Bar Association
• National Cannabis Bar Association

Awards & Honors

• The Best Lawyers in America, 2012-2025
  • Business Organizations (including LLCs and partnerships)
  • Closely-Held Companies and Family Businesses Law
  • Commercial Litigation
  • Corporate Law
  • Litigation and Controversy – Tax
  • Tax Law
• Best Lawyers, Lawyer of the Year, 2022
  • Tax Law
• Super Lawyers, 2011-2014
• Martindale-Hubbell AV Preeminent Rating

Representative Matters

• Representation of a seller in transaction for the sale of a hospital to a tribal-owned entity
• Representation of tribal members before the Internal Revenue Service, including certiorari to the U.S. Supreme Court
• Representation of a tribe before the IRS on employment tax issues
• Representation of buyers and sellers in multiple of purchase transactions across various industries
• Representation of public companies in acquisition of real estate for corporate headquarters
• Representation of various parties in business reorganizations and mergers
• Establishment of employee stock ownership plans
• Representation of shareholders of a government contracting corporation in its sale to a division of a tribal corporation; negotiation and drafting of a purchase and sale agreement and various financing documents with attention to tribal sovereignty and related issues
• Representation of lenders and borrowers in various financing transactions
• Representation of various parties in purchase, sale, financing and development of commercial and residential real estate
• Representation of landlords and tenants in negotiation of commercial office, retail and industrial leases