[2][3] His firm had foreign branches and handled a large volume of patent, trade-mark, and extradition cases.

In 1876 Coudert spoke at the unveiling (done by Bartholdi himself) of the statue of General Lafayette in Union Square Park.

In 1896 he was appointed by President Cleveland a member of the commission to investigate and report on the boundary dispute between Venezuela and British Guiana.

He was uniquely qualified for the position, being fluent in French, English, Italian and Spanish; he was also gifted with a ready and caustic wit.

He accepted (as the only public office he ever held) unsalaried membership in the Board of Education of the City of New York.