In a significant acquisition of corporate tech attorneys, Cooley has hired four partners in New York and Washington, D.C., from rival Wilson Sonsini Goodrich & Rosati. Cooley also has plans to hire up to 20 more lawyers to support their business, which could generate millions for the firm.

Joining Cooley this week are partners Adam Dinow, Sacha Ross and Robert Sanchez, longtime attorneys at Wilson Sonsini. The firm also added as a partner Daniel Peale, who left Wilson Sonsini in 2015 for research and advisory company Gartner Inc., where he was most recently general counsel.

Altogether, the group could bring $20 million to $25 million in business for Cooley, which had revenue per lawyer surpassing $1.1 million last year.