Areas of Practice
- Asbestos, Silica, & Related Bankruptcy Litigation
- Commercial Litigation, Insolvency, & Creditors' Rights
- Environmental Coverage Litigation & Counseling
- Financial Products Coverage Litigation & Counseling
- Hazardous Products/Toxic Torts Coverage Litigation & Counseling
- Insurance & Reinsurance
- Litigation
- Professional Liability
- Reinsurance Litigation, Arbitration, & Counseling
- Securities & Directors/Officers Litigation
- Worldwide Arbitration & Dispute Resolution
Education
- Georgetown University Law Center, J.D., cum laude, 1980, Editor, Georgetown University Law Review
- Cornell University, B.A., 1975
Judicial Clerkships
- Hon. James L. Latchum, US District Court, District of Delaware, 1980-1982
Bar & Court Admissions
- District of Columbia
- US Supreme Court
- US Courts of Appeals: District of Columbia, Second, Third, Fourth, Sixth, and Ninth Circuits
Antonia B. Ianniello
Partner
1330 Connecticut Avenue, NWWashington DC 20036
TEL: 202.429.8087
FAX: 202.429.3902
Toni Ianniello is a litigation partner in the Washington office of Steptoe & Johnson LLP and heads the Insurance practice group, which numbers over 70 lawyers. She has extensive experience in a broad range of civil and criminal cases.
Civil Litigation
For more than 20 years, Ms. Ianniello has handled a wide array of litigation matters, serving as lead counsel in numerous complex insurance coverage disputes relating to CGL, property, errors and omissions, and D&O policies, as well as surety and fidelity bonds, and other specialty insurance products. She currently is involved in numerous high-profile insurance coverage matters involving major pharmaceutical products liability claims, toxic tort claims, and asbestos liability, construction defects, and bad-faith claims. She also has significant experience in insurance and reinsurance coverage arbitrations, both in the United States and overseas.
Ms. Ianniello also advises insurers and reinsurers on coverage issues, and has resolved hundreds of matters, large and small, through mediation or other alternative dispute resolution procedures. She regularly defends attorneys and directors and officers in suits alleging negligence, breach of fiduciary duty, conflicts of interest, securities fraud, and RICO. She also represents attorneys and law firms in disciplinary matters.
Criminal Litigation
In addition to her civil litigation background, Ms. Ianniello has substantial experience in white-collar criminal work. She has represented both individuals and corporations in major grand jury investigations involving allegations of government procurement fraud, securities, tax and bank fraud, criminal food and drug violations, and public corruption. She served as an Associate Counsel in the Office of Independent Counsel Lawrence Walsh (Iran-Contra) during 1989-90, working on the prosecution team which brought perjury charges against Richard Secord.
Professional Activities
Ms. Ianniello currently is an elected member of the Board of Governors of the District of Columbia Bar. She served as General Counsel to the DC Bar from 1998-2000. She has extensive experience as a mediator both in Federal Court and DC Superior Court. Ms. Ianniello is a frequent speaker on professional liability issues at the meetings of the ABA Standing Committee on Lawyers' Professional Liability, as well as other forums.
Prior to her arrival at Steptoe & Johnson LLP in 1982, Ms. Ianniello served as law clerk to Chief Judge James L. Latchum, US District Court for the District of Delaware. From 1975 to 1978, she served as an assistant to Senator Jacob K. Javits on his foreign policy staff.
Noteworthy
- BTI Client Service All Star Team (2008)
- Listed in Best Lawyers of America 2008 for Legal Malpractice Law
- Ranked, Chambers USA 2007, America’s Leading Lawyers; Insurance: Insurer Firms (District of Columbia)
- Euromoney's Guide to the World's Leading Insurance and Reinsurance Lawyers (2007)
- Euromoney's Guide to the World's Leading Insurance and Reinsurance Lawyers (2006)
Success Stories
News
- Toni Ianniello Named to BTI Client Service All-Star Team for Law Firms 2008
- Best Lawyers in America Honors 43 Steptoe Attorneys
- Chambers and Partners Names Steptoe A Leading Firm in 22 Practice Areas
- Best Lawyers in America 2007 Lists Steptoe Attorneys
- Steptoe Files Amicus Brief in Important Supreme Court Victory
- Toni Ianniello Re-Elected to DC Bar Board of Governors
Speaking Engagements
- Antonia Ianniello Speaking at ABA Standing Committee on Lawyers' Professional Liability Conference in Arizona, September 21, 2007
- Insurance Partners at Fundamentals of Reinsurance Conference, March 23, 2006
Professional Affiliations
- Board of Governors, District of Columbia Bar
- American Bar Association, Litigation Section, Tort and Insurance Practice Section, Criminal Law Section
- Fellow, American Bar Association














