Lateral movement in 2015 showed there is strength in numbers, whether it be a group departure to another law firm, the formation of an entirely new firm or the combined effect a number of lateral defections has in causing the collapse of a firm.

Among our top 10 largest moves in 2015, two groups caused out-of-town firms to open in Pittsburgh, another large group defected to form a new insurance defense firm, two small firms merged into larger shops, a team from a closing Lancaster firm bolstered the education practice of a one-time competitor and the name partners of another firm scattered in the period of several months, forcing their firm to close.