Get Legal Advice From Aggressive Family Attorneys

Through our service with more than 25 years of experience in the OC Family courts, we get results for our clients. Contact us today to discuss how we can help you!

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Areas of practice:


Minimize stress and put the past behind you with the help of our expert divorce attorneys

Alimony/Spousal Support

Focus on the challenging aspects of restructuring your family while we ensure you get the support you deserve

Child Custody

Prepare a plan for the children's living accommodations and how to divide their time between parents

Child Support

Secure your children's future and well-being by ensuring they are supported financially

Modification of Custody and Support Orders

Modify prior orders as straightforwardly as possible, and get honest assessments of whether changes would be worthwhile

Child Visitation

Get the best custody and visitation agreement for your children and strong advocacy before a judge if no resolution is reached

Separate Property Valuation

Know what to do when there is an increase in value of separate business properties during marriage

Business Valuation

Take advantage of the expertise of forensic accountants and business valuators to represent your rights in a complex divorce case

Pre-Nuptial / Post-Nuptial Agreements

Learn all the elements courts take into account before receiving your agreements


Establish paternity or contest another party’s attempts to question paternity with our experienced representation

Domestic Violence and Restraining Orders

Obtain protection orders against family members who have committed acts of violence against you or your loved ones

Brown Dahan

has your best interests
at heart

We are a full-service family law firm that exclusively offers comprehension representation for all areas of Divorce, Paternity and Domestic Violence issues. Nancy Dahan was admitted to the California State Bar in 1988 and has since been practicing Family Law in Los Angeles and Orange County Courts. Kathleen Brown has been a family law attorney for over 23 years. We can assist you in Farsi.

Read about us from families we’ve helped through their most difficult time


Meet Our Team

Well-known for her assertive and effective representation in Los Angeles and Orange County family law courts, Nancy Dahan has been an active family law attorney bringing results and compassion to her clients since 1988.

Nancy first joined the Beverly Hills office of Ira M. Friedman, where she litigated complex family law cases in Los Angeles. After founding her own law firm in Los Angeles in 1992, she joined forces with Kathleen A. Brown in Orange County and formed Brown Dahan in 2000.

Extensive experience in handling intricate custody disputes as well as complex business and financial aspects in divorce cases give her the competitive edge in representing clients in Orange County family law courts.

Nancy’s professional successes and commitment to the community have resulted in her being honored among the Most Remarkable Women of Orange County by the National Association of Women Business Owners, along with other nominations and accolades. She serves on the Board of Directors of Human Options, which helps to restore hope and rebuild the lives of battered women and their families. In addition, she is active in numerous professional organizations, including the Women in Leadership Organization and Orange County Bar Association. Nancy actively participates in a monthly roundtable with prominent Orange County attorneys on complex issues of family law.

She received her Juris Doctorate degree from Western State University, and Bachelor of Arts degree from University of California at Los Angeles.

Kathleen Brown is well-recognized as an aggressive and effective litigator in Orange County family law, who treats each client with respect, integrity, and exceptional care.

After launching her own practice in 1995, she joined forces with Nancy W. Dahan and formed Brown Dahan in 2000.

Kathleen handles all aspects of divorce and family law matters as a partner in Brown Dahan. Her experience in accounting and business complement her abilities as an astute, result-driven negotiator when handling complex financial issues in dissolution proceedings.

Kathleen is an esteemed Court-Appointed Special Advocate in Orange County, an active member of the Orange County Bar Association, and published author (most recently in Orange County Lawyer Magazine). She actively participates in a monthly roundtable with prominent Orange County attorneys on complex matters of family law.

She received her Juris Doctorate degree from Western State University and Bachelor of science degree in Business Administration from the University of Southern California.

Denise Vatani Heinz is an Associate Attorney at Brown Dahan. She joined the Brown Dahan team during her second year in law school as a law clerk and became an Associate Attorney after passing the California Bar Exam. Denise was born and raised in Huntsville, Alabama and moved to Orange County her senior year in high school. She then attended the University of California, Los Angeles, where she graduated Magna Cum Laude with a Bachelors of Arts Degree, double majoring in Political Science and International Relations. After receiving her undergraduate degree, Denise attended Chapman University, School of Law, where she received her Juris Doctorate.

Denise understands that this is a very difficult and demanding time for clients and encourages them to be active and aware of the circumstances of their case. She prefers that her clients have all the knowledge necessary prior to making any big decisions. She is active in the professional community as a member of the California Bar, the Orange County Bar Association, the Young Lawyers Division, and the American Bar Association. Denise is also fluent in Farsi and is committed to the intelligent and effective representation of the law firm’s family law clients.

Our family law practice includes the representation of clients with the following matters:

Default judgments

Temporary Restraining Orders

Dissolution of marriage, legal separation, and annulment

Paternity actions, including establishing parental rights and visitation

Post judgment modification proceedings, including support and custody

Motions involving forced sale of properties and division of assets and debts

Spousal support, both on a temporary basis and consistent with the marital standard of life and FC 4320 factors

Child custody and visitation including those that involve move away, parental alienation, abuse, or neglect

Child support including establishment of the initial support order, modification, and enforcement

We'll make sure every minute you spend with us is time well spent

Your first 15-minute consultation with us is FREE

Brown Dahan

Visit our Orange County office

19100 Von Karman
Suite 380

Irvine, CA 92612