Cheryl Ainsworth joined Rosen Saba as senior counsel in the firm’s Beverly Hills office. Ainsworth focuses on business, entertainment, employment intellectual property, and real estate disputes. Ainsworth previously was a partner at Affeld Grivakes.

Duane Mathiowetz joined Foley & Lardner in the firm’s San Francisco office as partner in the firm’s litigation practice. Mathiowetz focuses his practice on patent counseling and licensing. He also represents clients in copyright, trademark, trade secret, and unfair competition matters. Mathiowetz previously was a shareholder at LeClairRyan.