What would have been a landmark merger in the U.S. telecommunications sector finally succumbed to litigation and regulatory pressure Monday, as AT&T officially abandoned its $39 billion bid for Deutsche Telekom’s T-Mobile USA unit, according to The National Law Journal’s Blog of Legal Times.

Given the timing of previous twists and turns in the transaction-which has pulled in dozens of Am law 200 firms since it was announced in March-it was somehow fitting that its death came just ahead of Christmas and New Year’s.