Brad Karp, chair of the elite New York-based firm Paul, Weiss, Rifkind, Wharton & Garrison, longs for the days when law firms were populated by lifers who never dreamed of switching jerseys.

But in today’s competitive market for legal talent, in which star partners are poached alongside their teams and clients, it’s hunt or be hunted. Every major law firm in the world is susceptible to poaching by competitors.

Brad Karp Brad Karp