Diane Lynne Karpman

Diane Karpman is a California attorney with Karpman & Assoc. in Valencia, CA.

The State Bar of California lists Diane Lynne Karpman as an Active licensee, bar number 64266, admitted in June 1975. The State Bar record names the law school as Western State Univ. We checked this record on October 24, 2026.

Before you hire any lawyer, however, it is a good idea to confirm the license yourself. For example, the official State Bar profile shows the current license status and any public discipline history. Because we built this profile from public records, some details may also change, so confirm anything important directly with the office.

Practice areas listed for Diane Karpman

These areas come from the State Bar record, where attorneys self-report them, and from public directory listings. The State Bar does not verify them. The notes below explain each area of law in general terms, not this attorney's cases or results.

Class Actions. In general, this area covers lawsuits in which one or more people sue on behalf of a larger group with similar claims. California courts apply Code of Civil Procedure section 382, and federal courts apply Federal Rule of Civil Procedure 23.

Legal Malpractice. In general, this area covers claims that a lawyer's mistakes harmed a client.

Professional Liability. In general, this area covers claims that a professional failed to meet the required standard of care.

How to contact Diane Karpman

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