Mark Osborne Heaney
Attorney
Manhattan Beach, CA
Practicing appellate in Manhattan Beach since 1972.
- 54+
- Years practicing
- 5.0 ★
- 1 client review
- 3
- Bar admissions
Practices in
Are you Mark Osborne Heaney?
This profile was built from public bar records and is still unclaimed. Claim it free to control your photo, bio, and fees — and get client inquiries sent straight to you.
Quick answer
Mark Osborne Heaney is an attorney based in Manhattan Beach, CA. The practice focuses on Appellate and Criminal Defense. Mark has over 54 years of legal experience. Rated 5.0 out of 5 from 1 client review.
- Based in
- Manhattan Beach, CA
- Experience
- over 54 years
- Known for
- Appellate · Criminal Defense
- Handles Appellate and Criminal Defense matters from Manhattan Beach, CA.
- Over 54 years of practice as a licensed attorney.
- Recognized with AV Preeminent.
About Mark Osborne Heaney: Mark Osborne Heaney is an attorney based in Manhattan Beach, CA. The practice focuses on Appellate and Criminal Defense. Mark has over 54 years of legal experience. Rated 5.0 out of 5 from 1 client review.
Areas of practice
Practice focus
Mark Osborne Heaney represents clients in Manhattan Beach, California across the following areas of law. Each area links to other verified attorneys with the same focus.
Biography
About Mark Osborne Heaney
Mark Osborne Heaney is a lawyer practicing criminal law, criminal appeals, appellate practice and 1 other area of law. Mark received a B.A. degree from Duke University in 1968, and has been licensed for 54 years. Mark practices in Manhattan Beach, CA.
Credentials
Education
University of Pennsylvania
J.D. · 1971
Duke University
B.A. · 1968
Jurisdictions
Bar admissions
U.S. District Court,
1972 · ACTIVE
U.S. Court of Appeal
1972 · ACTIVE
California
1972 · ACTIVE
Recognition
Awards & honors
AV Preeminent
Affiliations
Professional memberships
State Bar of California American Bar Association National Association of Criminal Defense Lawyers Recipient, Best Lawyers in America 1983-2014
membership
Locations
Office locations
Client feedback
What clients say about Mark Osborne Heaney
5.0
1 client review
Client ratings are sourced from public records and editorial research. Reviews on LawyersListed are accepted from verified clients once Mark Osborne Heaney claims this profile.
Read all reviewsFrequently asked
Common questions
What areas of law does Mark Osborne Heaney practice?
Mark Osborne Heaney focuses on Appellate and Criminal Defense.
Where is Mark Osborne Heaney located?
Mark Osborne Heaney primarily serves clients in Manhattan Beach, California, with an office at 2808 Alma Ave.
How experienced is Mark Osborne Heaney?
Mark Osborne Heaney has 54 years of legal practice, having been licensed since 1972.
Is Mark Osborne Heaney a verified attorney?
Mark Osborne Heaney's profile is listed but has not yet been claimed by the attorney. Verification status is pending.
How can I schedule a consultation with Mark Osborne Heaney?
You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 737-843-0287.
More counsel




