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Business Details
23 Years
experience
Family Law Attorneys in Ontario, CA
Haslam & Thorne, is a dedicated family law firm serving clients in Ontario, California, and the surrounding areas. With nearly four decades of combined experience, our attorneys specialize in resolving complex divorce and family law matters, including child custody, property division, domestic violence, and high-asset divorce. Certified by the California Board of Legal Specialization and recognized with an AV rating by Martindale-Hubbell, our team prioritizes personalized attention, ethical representation, and client advocacy.

We combine legal expertise with compassion to guide clients through emotionally challenging cases, ensuring their rights and futures are protected. Our commitment to excellence has earned the trust of clients, legal peers, and judges throughout the Inland Empire.
Services
Divorce Child Custody Domestic Violence Mediation Military Divorce
Details
  • Year established: 2003
Highlights and features
  • We offer over 38 years of experience in California family law.
  • Our attorneys are certified specialists by the California Board of Legal Specialization.
  • We provide personalized attention with a client-focused approach.
  • Our team includes AV-rated lawyers recognized for legal ability and ethics.
  • We represent diverse clients, including professionals, military, and business owners.
Associations and certifications
  • Martindale-Hubbell
  • California Board of Legal Specialization
What people say
Competent, ethical, professional Honest and dependable Always available Kept up to date Highly recommend
Services
Divorce Representation
Our firm specializes in guiding clients through divorce proceedings, addressing property division, spousal support, and high-asset cases. We prioritize negotiated settlements but are prepared for litigation to protect your interests. With decades of experience, we ensure clarity and advocacy throughout the process.
Child Custody
We handle child custody and visitation matters, focusing on co-parenting agreements that prioritize children's well-being. Our team leverages mediation expertise and trial experience to resolve disputes, ensuring fair outcomes aligned with California's best-interest standards.
Domestic Violence
We assist victims of domestic violence in obtaining restraining orders and navigating related family law cases. Our approach combines compassionate support with aggressive legal advocacy to ensure safety and address custody or divorce implications.
Mediation Services
Our trained mediators facilitate fair resolutions for divorce and family law disputes, including property division and child custody. We emphasize collaborative solutions to maintain client control over outcomes while reducing adversarial tensions.
Military Divorce
We specialize in military divorce cases, addressing unique challenges like jurisdictional complexities, benefits division, and custody arrangements for service members. Our expertise ensures compliance with federal and state regulations while protecting clients' rights.
People
Brian G. Thorne
Attorney
Brian G. Thorne has over 38 years of experience in California family law. Certified by the California Board of Legal Specialization, he focuses on divorce, child custody, and high-asset cases, known for his ethical representation and client advocacy.
Donald Glen Haslam
Attorney
Donald Glen Haslam brings extensive family law expertise to complex divorce and custody cases. His collaborative approach and courtroom experience ensure effective solutions tailored to clients' unique needs.
Michelle Thorne Boyer
Attorney
Michelle Thorne Boyer specializes in family law mediation and child custody matters. Her client-centered practice emphasizes compassionate guidance and practical resolutions for families in transition.
Questions
What areas of family law do you specialize in?
We focus on divorce, child custody, domestic violence, mediation, military divorce, and high-asset cases, providing comprehensive solutions for complex family law matters.
How experienced is your legal team?
Our attorneys have over 38 years of combined experience, with certifications from the California Board of Legal Specialization and AV ratings from Martindale-Hubbell.
Do you handle cases outside Ontario, California?
Yes, we serve clients throughout San Bernardino County and the Inland Empire, with experience accommodating out-of-state clients through remote communication.
What is your approach to child custody cases?
We prioritize negotiated co-parenting agreements but are prepared for litigation, always focusing on the child's best interests under California law.
How can I schedule a consultation?
Call us at 909-983-4777 or contact us online to discuss your case with an experienced family law attorney.