After FBI agents raided Cohen's office in April, Ryan and his NY partner, Todd Harrison, went to court to try to keep investigators from seeing some of the confiscated files on the grounds that they were protected by attorney client privilege.
"Attorney-client privilege is dead!"
It wasn't immediately clear what prompted the change or who would take over.
Row over ship with 600 migrants aboard adrift off Italy
But the decision to close ports was significant because it showed Italy's willingness to put up a stop sign closer to its border. Navy ship, Trenton, radioed Sea Watch on Tuesday to say it had picked up 12 bodies and 41 survivors from a sinking rubber boat.
Without legal representation, it is likely that Mr. Cohen will cooperate with federal prosecutors in NY, a source told ABC News.
The investigation is reported to be regarding possible campaign finance violations related to the $130,000 payment made to adult film star Stormy Daniels in exchange for her silence regarding an affair she claims to have had with Trump.
What Cohen decides to do going forward is important not only to his case, but to special counsel Robert Mueller's investigation into Russian election meddling and any ties to Trump associates. This development, which is believed to be imminent, will likely hit the White House, family members, staffers and counsels hard.
President Trump's personal lawyer Michael Cohen leaves federal court in Manhattan. But these are his only two real options, as his case plays out in the Southern District of NY. The Wall Street Journal reported the law firm, which has represented Cohen since June 2017, would part company with him at the end of the week.