The recent Democratic takeover of Congress has led to a power shift among law firms jockeying for government relations talent and preparing for the expected deluge of congressional investigations and legislative proposals.

At least a dozen firms have announced key appointments of government relations attorneys since the elections last November, or revealed ongoing negotiations with potential hires. Mayer, Brown, Rowe & Maw of Chicago and Washington-based Venable formed new practice groups dedicated to congressional oversight and investigations work.