Atty. Mark C. Davis

Atty. Mark C. Davis

Mark C. Davis is a lawyer practicing tax.

Washington Washington 20 yrs experience 20 year
Call (202) 984-3174 Book Appointment

Tax Attorney · Serving Washington, DC · 20+ Years Experience

Profile Summary

About Mark C. Davis at a Glance

Mark C. Davis is an Associate based in Washington, District of Columbia, practicing at White & Case LLP. They have 20+ years of legal experience, licensed to practice since 2006. Their practice focuses on tax. Admitted to practice in Georgia (2006) and District of Columbia U.S. Tax Court (Practices under the supervision of principals of the firm) (2006). Educated at Harvard University (J.D., 2006) and Dartmouth College (A.B., 2003). Serves clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark C. Davis

  • Mark C. Davis is a lawyer practicing tax
  • Mark C. received a A.B. degree from Dartmouth College in 2003, and has been licensed for 20 years
  • Mark C. practices at White & Case LLP in Washington, DC

Practice Areas Explained

Mark C. Davis's Areas of Legal Practice

Each practice area below reflects the types of cases Mark C. Davis handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.

Tax Law in Washington

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Mark C. Davis is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in District of Columbia →

Jurisdictional Context

Why Local Counsel Matters in Washington

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

Washington Courts and Legal Process

Choosing a Washington-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common Questions About Mark C. Davis

Where is Mark C. Davis's law office located?
Mark C. Davis's law practice is located in Washington, District of Columbia. The firm is White & Case LLP. You can contact the office directly through this profile page.
What practice areas does Mark C. Davis handle?
Mark C. Davis focuses on tax. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Mark C. Davis practiced law?
Mark C. Davis has 20+ years of legal experience and has been licensed since 2006.
Where did Mark C. Davis go to law school?
Mark C. Davis earned their education at (J.D., 2006); (A.B., 2003).
How can I contact Mark C. Davis for a consultation?
You can contact Mark C. Davis 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.

Professional Profile

Why Clients in Washington Choose Mark C. Davis

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark C. Davis's practice in the field of tax.

Decade-Tested Legal Experience

Mark C. Davis brings 20+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Georgia and District of Columbia U.S. Tax Court (Practices under the supervision of principals of the firm), Mark C. Davis can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Focused Tax Practice

Concentrating on tax means Mark C. Davis's knowledge of relevant statutes, case law, and procedural nuances stays current — unlike generalist practices that spread attention across unrelated fields.

Local Presence in Washington

A Washington-based practice means Mark C. Davis attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Mark C. Davis Handles in Washington

Below is a representative sample of the types of matters Mark C. Davis has experience with under District of Columbia law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

IRS audit representation
Tax
Tax lien and levy defense
Tax
Offer in compromise
Tax
Business tax planning
Tax

This list is illustrative, not exhaustive. Contact Mark C. Davis directly to discuss the specifics of your situation.

Search Reference

How People Find Mark C. Davis Online

Prospective clients searching for legal help in Washington commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Mark C. Davis.

Mark C. Davis attorney Mark C. Davis lawyer Mark C. Davis Washington Mark C. Davis District of Columbia Mark C. Davis reviews Mark C. Davis contact White & Case LLP law firm tax attorney in Washington tax lawyer Washington best tax attorney Washington top rated tax lawyer near me tax attorney District of Columbia find a lawyer near me how to hire an attorney

If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Mark C. Davis directly.

Mark C. Davis's Practice Areas & Specializations

Tax

Education & Law School Background

J.D.
Harvard University
- 2006
A.B.
Dartmouth College
- 2003

Bar Admissions & Licensed Jurisdictions

Georgia
Admitted: 2006
District of Columbia U.S. Tax Court (Practices under the supervision of principals of the firm)
Admitted: 2006

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