Marx & Duffy is a distinguished San Francisco law firm specializing exclusively in family law, led by California Certified Family Law Specialist Kevin A. Duffy, Esq. With over four decades of dedicated experience, the firm stands out for its deep expertise in complex family matters and its commitment to achieving favorable outcomes through skilled negotiation and litigation when necessary.
The firm’s approach is rooted in integrity, personalized strategy, and a focus on protecting clients’ immediate and long-term interests. Attorney Duffy, certified by the California Board of Legal Specialization and consistently recognized as a Northern California Super Lawyer since 1996, represents individuals navigating emotionally and financially significant family law disputes. The practice is particularly adept at drafting enforceable agreements and resolving cases through mediation or assertive court representation.
Services Offered
- Divorce
- Child custody
- Child support
- Property division
- Paternity
- Post-judgment modification
- Prenuptial agreements
- Postnuptial agreements
- Marital settlement agreements
- Family law consultations
Serving clients throughout the Bay Area—including San Francisco, Alameda, San Mateo, Marin, and Contra Costa Counties—the firm also assists clients across California in agreement preparation and negotiation. With offices in San Francisco and Marin, Marx & Duffy offers experienced, professional representation tailored to each client’s unique circumstances.
