William D. Sullivan

William D. Sullivan: Attorney with Sullivan Hazeltine Allinson LLC


Bill focuses his practice on commercial bankruptcy, creditors’ rights matters, and commercial litigation.Bill frequently appears before the Delaware Bankruptcy Court and the Delaware Chancery Court. In corporate Chapter 11 bankruptcy matters, he regularly represents Debtors, Committees, secured and unsecured creditors, trustees, asset purchasers, landlords, insurance companies, officers and directors, and governmental entities. Bill also handles general claims litigation and prosecutes and defends adversary actions, including fraudulent conveyance and preference litigation.Prior to starting his own firm, Bill was a partner with the Wilmington office of Buchanan Ingersoll, and a partner with the Wilmington firm of Elzufon Austin Reardon Tarlov & Mondell, P.A., where he developed and led its bankruptcy practice. His prior experience includes the handling of insurance coverage matters and personal injury litigation. He has tried a dozen civil cases to verdict and has argued before the Delaware Supreme Court and the Third Circuit Court of Appeals.Bill is a member of the Delaware State Bar Association, the American Bankruptcy Institute, and the Delaware Bankruptcy American Inn of Court.Recent Representations• Liberty Brands - lead counsel to the Debtor in a successful 363 sale case
• WR Grace – Delaware counsel to the Zonolite Attic Insulation (ZAI) Committee, representing holders of property damage claims
• Pacific Energy – lead counsel to start-up which became successful buyer of Alaskan oil and gas assets
• Tribune – Delaware counsel to Wilmington Trust, as Indenture Trustee for bondholders with claims in excess of $1 billion
• WP Steel – bankruptcy counsel to purchaser of former Bethlehem Steel plant site at Sparrows Point, MD
• Satcon – Delaware counsel to unsecured creditors committee
• CDOW – lead bankruptcy counsel to religious organizations in negotiated Chapter 11 settlement plan

Areas of Practice (25)

  • Bankruptcy
  • Creditors Rights
  • Commercial Litigation
  • Bankruptcy Chapter 7
  • Bankruptcy Chapter 11
  • Bankruptcy Litigation
  • Bankruptcy Reorganization
  • Bankruptcy Trustees Rights
  • Commercial Insolvency
  • Commercial Workouts
  • Creditor Bankruptcy
  • Debtor Bankruptcy
  • Fraudulent Conveyance
  • Insolvency
  • Out of Court Debt Restructuring
  • Pre-Bankruptcy Workouts
  • Workouts
  • Commercial Arbitration
  • Commercial Liability
  • Commercial Transactions
  • Commercial Transfers
  • Complex Commercial Litigation
  • Sale of Goods
  • Secured Transactions
  • Uniform Commercial Code

Education & Credentials

Contact Information:
302-250-4357  Phone
302.428.8191  Phone
302.428.8195  Fax
University Attended:
University of Notre Dame, B.S., Chemical Engineering, 1984
Law School Attended:
Georgetown University Law Center, J.D., 1989
Year of First Admission:
1989, Delaware and Pennsylvania; U.S. Supreme Court, U.S. Court of Appeals, Third Circuit and U.S. District Court, District of Delaware
Delaware State Bar Association (Member, Commercial Division); American Bankruptcy Institute; Delaware Bankruptcy Inn of Court.
Birth Information:
Long Branch, New Jersey, November 29, 1962
The secured lender in the bankruptcy of (C.F. Capital); A contract manufacturer who successfully obtained an implied license to manufacture goods subject to a trade secret claim (Mosler); An asset purchaser who successfully acquired a paper plant through a bankruptcy §363 sale (Premium Papers); A Landlord who successfully resisted the sale of its lease under a Designation Rights package (Ultimate Electronics); Class claimants in several bankruptcy case (W.R. Grace, Charter); Trial of a $2.4 million preference action instituted against a Belgian company in the U.S. District Court for the District of Delaware (Clark).
Hobbies & interests:
Member, Appalachian Mountain Club. Former Engineer, E.I. du Pont de Nemours and Company (Marketing Department).
Payment Information:
  • Free Initial Consultation
  • Fixed Hourly Rates
  • Fixed Fees Available

Peer Reviews

Wilmington, Delaware

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