Atty. Mark Steven Klock
Mark Steven Klock is a lawyer practicing corporate law, securities law, taxation law. Mark Steven received a Ph.D. degree from Boston College in 1983, and has been licensed for 38 years.
Corporate Law & More Attorney · Serving Washington, DC · 38+ Years Experience
Profile Summary
About Mark Steven Klock at a Glance
Mark Steven Klock is a business, tax, and securities attorney based in Washington, District of Columbia. They have 38+ years of legal experience, licensed to practice since 1988. Admitted to practice in Maryland (1988) and District of Columbia (1989). Educated at University of Maryland (J.D., 1988) and Boston College (Ph.D. Pennsylvania, 1983). Serves clients in Washington, DC and the surrounding metropolitan area.
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About Mark Steven Klock
- Mark Steven Klock is a lawyer practicing corporate law, securities law, taxation law
- Mark Steven received a Ph.D. degree from Boston College in 1983, and has been licensed for 38 years
- Mark Steven practices in Washington, DC
Practice Areas Explained
Mark Steven Klock's Areas of Legal Practice
Each practice area below reflects the types of cases Mark Steven Klock handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.
Business & Corporate Law in Washington
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Mark Steven Klock is one of 497,491 business attorneys indexed nationally. Browse business attorneys in District of Columbia →
Tax Law in Washington
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
Mark Steven Klock is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in District of Columbia →
Securities Law in Washington
Mark Steven Klock is one of 64,075 securities attorneys indexed nationally. Browse securities 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
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Professional Profile
Why Clients in Washington Choose Mark Steven Klock
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 Steven Klock's practice in the field of business, tax, and securities.
Decade-Tested Legal Experience
Mark Steven Klock brings 38+ 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 Maryland and District of Columbia, Mark Steven Klock can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering business, tax, and securities, Mark Steven Klock can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Washington
A Washington-based practice means Mark Steven Klock 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 Steven Klock Handles in Washington
Below is a representative sample of the types of matters Mark Steven Klock 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.
This list is illustrative, not exhaustive. Contact Mark Steven Klock directly to discuss the specifics of your situation.
Search Reference
How People Find Mark Steven Klock Online
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Mark Steven Klock's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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