Shrinking Washington law firm Dickstein Shapiro has lost a significant part of its government law and policy practice group to Greenberg Traurig. Greenberg announced on July 9 that Andrew Zausner, Dickstein’s lobbying chairman, will take 13 attorneys and nonlawyer advocates to the rival shop. The group starts at Greenberg this week, and Zausner will chair the government law and policy practice. Others joining Zausner in the move include shareholder Rob Mangas and former members of Congress Albert Wynn, Peter Hoekstra and Tim Hutchinson.

The group’s move further picked away at Dick­stein’s revenues, profits and headcount, which have dropped more than almost any other Washington-based firm in 18 months.