SAN FRANCISCO — One of ailing Dewey & LeBoeuf‘s most valued assets is moving to Weil, Gotshal & Manges, ending months of speculation.

Rainmaker Richard Climan has joined Weil’s M&A group in Silicon Valley, along with a high-profile team that includes partners Keith Flaum, Jane Ross and James Griffin. Dewey partner John Brockland is joining Weil’s technology and IP transactions group.