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William D Kopper

William D Kopper

Estate and Probate Law and Family Lawyer
Law Office of William D. Kopper
Davis, CA
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About William D Kopper

Attorney Biography

I am William D. Kopper.I have been practicing law for over thirty years.I practice in the fields of family law, including divorce and child custody and visitation, and estate planning, including wills and trustsand probate. I am one of the few practitioners who are certified specialists in two fields, since I am a certified specialist by the State Bar of California Board of Legal Specialization in the fields of Family Law, and Estate Planning, Trust and Probate Law. The Board of Legal Specialization recently honored me for my 20 years of service as a certified Family Specialist. More Information about my practice areas and the Law Office of William D. Kopper is at http://www.kopperlaw.com/ .

Continuing Education:

I take more than 30 hours of continuing legal education each year.I must take at least fifteen hours each year in my two areas of Specialty – Family Law and Estate Planning, Trust and Probate Law.In 2005 I completed an extra 32 hours of mediation training.

Certified Specialist by State Bar of California Board of Legal Specialization:

Family Law

Estate Planning, Trust and Probate Law

Association/Professional Organization Memberships:

California State Bar; Yolo County Bar Association; Association of Certified Family Law Specialists;State Bar Family Law Group; State Bar Estate Planning Group.

Community Service:

Mayor of the City of Davis, 1982-1984

Council member, Davis City Council, 1976-1984

Past president of the Yolo County Bar Association


University ofChicago – B.A., 1970

University of California, Davis, M.S. in Ecology, 1974

University of California, Davis, J. D. (Juris Doctor), King School of Law, 1980

University of the Pacific, L.L.M. (Master of Laws) in Tax, 1992

Philosophy of Practice:

I like to provide my clients with as much information as possible.A well-informed client is a client who can make better decisions and who can help guide the case.

Spending a lot of time thinking about one’s cases make one become a better lawyer.Keeping up on current developments in the law is also important.

I believe that my greatest strengths are thorough research and preparation of my cases.

I like working with people and I like the personal contact with my clients best.

My style is low-key.I meet my clients’ needs in the easiest way possible.

Practice Areas

Estate and Probate Law (25%)
Family Law (25%)
Estate Planning (25%)
Probate (25%)

Résumé - William D Kopper

Bar Licenses

California State Bar
Member in Good Standing

Work Experience

Law Office of William D. Kopper
Sole Practitioner


UC Davis School of Law
UC Davis School of Law

Specialty Certifications

State Bar of California
Board Certified Specialist
Estate Planning, Trust and Probate Law
State Bar of California

Awards & Honors

City of Davis

Commercial Recognitions

Professional Involvement badge
Recognized for Professional Involvement
Lawyer Legion

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Attorney Endorsements

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Contact William D Kopper

William D Kopper
Law Office of William D. Kopper
417 "E" Street
Davis, CA 95616
Office: 530-758-0757

More Information

Bar Membership Information

California Bar Membership -

William D Kopper - Profile information with the State Bar of California - Find more information about William D Kopper on the State Bar of California website, including: current status, actions affecting eligibility to practice law and disciplinary history.

Specialty Certification Information

Estate and Probate Law Certification -

CBLS Board Certification in Estate Planning, Trust and Probate Law - Lawyers certified in Estate Planning, Trust and Probate Law with the State Bar of California Board of Legal Specialization have demonstrated substantial involvement in this area of practice.

The CBLS defines the term "estate planning, trust and probate law" as the practice of law dealing with:

  • "the creation, protection and disposition of a client's assets, during life and upon and after death, in accordance with the client's expressed desires;

  • the tax and family relationship consequences of the client's acts and desires;

  • the preparation of wills, trusts and other documents to carry out the client's desires;

  • the administration of estates and trusts (such as necessary court or non-court procedures; tax reporting, payment of tax and tax audits; and management and transfer of assets); and

  • the protection of the property and provision for the personal needs of individuals unable to handle their own affairs by reason of age, illness or other incapacity."