Dana M. Heyde is standing with her hand on her desk while looking at the camera and smiling.

Dana M. Heyde


Phone (714) 997-7870


Dana M. Heyde is dynamic, passionate, and sharp. As a Partner of Cottle, Keen, Lopiccolo &
Heyde, Dana is highly regarded by her clients for her energetic representation and exceptional
understanding of legal procedure. Dana zealously advocates for clients in the areas of trust and
civil litigation, estate planning, and family law.

Dana is a formidable attorney who consistently obtains winning results for her clients with her
superior communication and negotiation skills. Clients value Dana’s sound legal advice and
proactive approach. Dana provides superior representation through the personalized attention
each client receives. She assists clients identify their goals, then customizes a comprehensive
plan to achieve them.

When litigation is needed, clients benefit from Dana’s extensive courtroom experience.
Attending hundreds of depositions, hearings, and preparing cases for trial gave Dana a profound
understanding of the intricacies of legal procedure. Dana’s excellence in Estate Planning comes
from her years of experience as a trust litigator. Seeing how improper planning results in
problems after a testator’s death made Dana uniquely situated to help clients create an estate plan
that ensures a client’s wealth legacy is passed onto their loved ones without conflict.

Dana is a respected attorney in the legal community, and the 2023 President of the Orange County Women Lawyers Foundation, the Co-Chair of OCBA Committee Mommy Esq., and the Immediate Past-President of the Orange County Women Lawyers Association.  She enjoys traveling, playing games, and golfing. She is an avid reader and lives in Orange with her husband and son.

Practice Areas

  • Trust and Civil Litigation
  • Estate Planning
  • Family Law


B.A., Chapman University

Juris Doctor, Whittier College School of Law

International Law, Universidad de Cantabria, Santander, Spain

Executive Board Memberships and Professional Associations

Orange County Women Lawyers Association

President 2022

Board Member since 2015

Orange County Women Lawyers Foundation

President 2023

Mommy Esq.

Member since 2017 – Present

Orange County Bar Association

Member since 2007 – Present


Recognitions and Awards

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