Atty. Mark Donald Senff

Atty. Mark Donald Senff

Mark Donald Senff is a lawyer practicing government policy, regulatory proceedings, trusts and estates and 5 other areas of law. Mark received a B.S. degree from The Ohio State University College of Pharmacy in 1968, and has been licensed for 55 years.

Columbus Columbus 55 yrs experience 55 year
Call (380) 219-6502 Book Appointment

Profile Summary

About Mark Donald Senff at a glance

Mark Donald Senff is a Partner based in Columbus, Ohio, practicing at Baker & Hostetler LLP. They have 55+ years of legal experience, licensed to practice since 1971. Their practice focuses on trusts, probate, estate planning, government, and health care. Admitted to practice in Ohio (1971). Educated at The Ohio State University Michael E. Moritz College of Law (J.D., 1971) and The Ohio State University College of Pharmacy (B.S., 1968). Recognitions include AV Preeminent. Serands clients in Columbus, OH and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Donald Senff is a lawyer practicing government policy, regulatory proceedings, trusts and estates and 5 other areas of law
  • Mark received a B.S. degree from The Ohio State University College of Pharmacy in 1968, and has been licensed for 55 years
  • Mark practices at Baker & Hostetler LLP in Columbus, OH

Practice Areas Explained

Mark Donald Senff's Areas of Practice

Each practice area below reflects the types of cases Mark Donald Senff handles, with a brief overview of what that area of law covers.

Trusts

Mark Donald Senff is one of 104,172 trusts attorneys indexed nationally. Browse trusts attorneys in Ohio →

Probate

Mark Donald Senff is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Ohio →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Mark Donald Senff is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in Ohio →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Mark Donald Senff is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Ohio →

Health Care Law

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

Mark Donald Senff is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Ohio →

Jurisdictional Context

Why local counsel matters in Ohio

Practicing law in Ohio. Legal matters in Ohio are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Columbus are typically filed in the local municipal court or the appropriate Ohio state district court, depending on subject matter and amount in controversy. An attorney licensed in Ohio 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 Ohio courts without local counsel or pro hac vice admission.

Looking for additional Ohio attorneys? Browse all attorneys in Columbus or all attorneys in Ohio.

Frequently Asked

Common questions about Mark Donald Senff

Where is Mark Donald Senff's law office located?
Mark Donald Senff's law practice is located in Columbus, Ohio. The firm is Baker & Hostetler LLP. You can contact the office directly through this profile page.
What practice areas does Mark Donald Senff handle?
Mark Donald Senff focuses on trusts, probate, estate planning, government, health care. Each practice area listed reflects experience handling cases of that type in Ohio.
How long has Mark Donald Senff practiced law?
Mark Donald Senff has 55+ years of legal experience and has been licensed since 1971.
Where did Mark Donald Senff go to law school?
Mark Donald Senff earned their education at (J.D., 1971); (B.S., 1968).
How can I contact Mark Donald Senff for a consultation?
You can contact Mark Donald Senff 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.
What awards or recognition has Mark Donald Senff received?
Mark Donald Senff's notable recognition includes: AV Preeminent.

Education

J.D.
The Ohio State University Michael E. Moritz College of Law
- 1971
B.S.
The Ohio State University College of Pharmacy
- 1968

Awards

AV Preeminent

Bar Admissions

Ohio
Admitted: 1971

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