Three years ago, the phones were ringing off the hook for American attorneys with a working knowledge of doing business in Cuba.

U.S. President Barack Obama and Cuba’s President Raul Castro announced the beginning of a process aimed at normalizing relations between the two neighbors, separated by 93 miles of the Florida Straits, in December 2014. By the following summer following a historic visit by Obama, full diplomatic relations had been restored, and embassies were opened in Washington and Havana.