Adrianne C. Duncan

Adrianne joined Clapp Moroney in 2013, and is a member of the Firm’s General Liability Practice Group. She became a partner with Clapp Moroney in 2020. Adrianne’s case load includes wrongful death, negligent security, subrogation, breach of contract, landlord-tenant disputes, professional negligence, pharmaceutical malpractice, construction site accidents, and other general civil matters.

Adrianne graduated in 2001 from California State University, Hayward with a B.A. in Political Science and a minor in Business Administration. In 2005, she earned her J.D. from The American University, Washington College of Law, in Washington, DC. While in law school, Adrianne had the honor of serving as a law clerk at the White House, Office of Administration, General Counsel’s Office.

Prior to joining Clapp Moroney, Adrianne practiced general civil litigation, business litigation, and insurance defense in Las Vegas, Nevada. Adrianne enjoyed her experience in Las Vegas representing casinos, nightclubs, real estate investors, architects, engineers, and small businesses in a variety of legal matters.

Adrianne is licensed to practice law in Nevada (inactive status), and California. She is also admitted to practice before the United States District Courts for the Northern and Central Districts of California.

Adrianne can be reached at Clapp Moroney’s East Bay/Central Valley Office or at