Christopher Dugan, 63, a Washington-based lawyer who specialized in international arbitration and litigation, Foreign Corrupt Practices Act investigations and fraud litigation, died Feb. 20 at his home in Washington.

He died of cancer, said a friend, Marianne Szegedy-Maszak.

At his death, Mr. Dugan chaired the Paul Hastings’ international practice. Earlier, he had been a partner in the Jones Day law firm.

Christopher Francis Dugan was born in Washington. He graduated in 1966 from St. Anselm’s Abbey School in the District and in 1971 from Johns Hopkins University. He was a 1980 graduate of Georgetown University’s law school.

He practiced at Jones Day for 22 years after law school before joining the Paul Hastings practice. He was based in Washington and in Hong Kong while with Jones Day.

Mr. Dugan was lead counsel in several multimillion-dollar arbitration awards, including a case involving Indonesia and its national oil company and one involving electricity distribution in the Dominican Republic.

He was an adjunct professor at Georgetown’s law school and wrote extensively on international arbitration.

Survivors include his wife of 30 years, Susan Polk Dugan of Washington; four children, Zachary Dugan of Baltimore, Nicholas Dugan of Washington, Nathalie Dugan of Amherst, Mass., and Cormac Dugan of Washington; his mother, Frances Dugan of Washington; two brothers, John Dugan of Washington and Paul Dugan of San Francisco; and a sister, Mary Dugan of Washington.

— Bart Barnes