Atty. Mary Catherine Warner

Atty. Mary Catherine Warner

Mary Catherine Warner is a lawyer practicing corporate, emerging growth/venture capital, family owned and closely-held businesses and 4 other areas of law. Mary received a B.A. degree from University of California, Berkeley in 1999, and has been licensed for 22 years.

Long Beach Long Beach 22 yrs experience 22 year
Call (626) 268-1613 Book Appointment

Profile Summary

About Mary Catherine Warner at a glance

Mary Catherine Warner is a family law, business, m&a, and health care attorney based in Long Beach, California. They have 22+ years of legal experience, licensed to practice since 2004. Admitted to practice in California (2004). Educated at New York University (J.D., 2004) and University of California, Berkeley (B.A., 1999). Serands clients in Long Beach, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mary Catherine Warner is a lawyer practicing corporate, emerging growth/venture capital, family owned and closely-held businesses and 4 other areas of law
  • Mary received a B.A. degree from University of California, Berkeley in 1999, and has been licensed for 22 years
  • Mary practices in Long Beach, CA

Practice Areas Explained

Mary Catherine Warner's Areas of Practice

Each practice area below reflects the types of cases Mary Catherine Warner handles, with a brief overview of what that area of law covers.

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Mary Catherine Warner is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in California →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mary Catherine Warner is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Mergers & Acquisitions

Mary Catherine Warner is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in California →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Mary Catherine Warner is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in California →

Jurisdictional Context

Why local counsel matters in California

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Long Beach are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in Long Beach or all attorneys in California.

Frequently Asked

Common questions about Mary Catherine Warner

Where is Mary Catherine Warner's law office located?
Mary Catherine Warner's law practice is located in Long Beach, California. You can contact the office directly through this profile page.
What practice areas does Mary Catherine Warner handle?
Mary Catherine Warner focuses on family law, business, m&a, health care. Each practice area listed reflects experience handling cases of that type in California.
How long has Mary Catherine Warner practiced law?
Mary Catherine Warner has 22+ years of legal experience and has been licensed since 2004.
Where did Mary Catherine Warner go to law school?
Mary Catherine Warner earned their education at (J.D., 2004); (B.A., 1999).
How can I contact Mary Catherine Warner for a consultation?
You can contact Mary Catherine Warner directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
New York University
- 2004
B.A.
University of California, Berkeley
- 1999

Bar Admissions

California
Admitted: 2004

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