When R. Clark Morrison and 10 other land use attorneys joined Cox, Castle & Nicholson in January, space at the growing San Francisco office already was tight.

“I ended up in the office of [Robert] Infelise, the managing partner of the San Francisco office,” said Morrison, who left Morrison & Foerster after 20 years. “It’s a pretty nice office looking over Chinatown. Bob took a little windowless cubbyhole at the back of the building.”