For Becker & Poliakoff’s Gary Rosen, finding a merger partner is like going to a dance: sometimes he’s the pursuer, sometimes he’s pursued.

When his firm acquired the four-lawyer Cornett, Googe & Associates of Stuart late last year, he was the pursuer. But when his firm combined with the small Boca Raton litigation boutique Seiden Alter & Associates last month, he was the one wooed.