Atty. Mark A. Denney

Atty. Mark A. Denney

Mark A. Denney is a lawyer practicing contracts & agreements, intellectual property, mergers & acquisitions and 5 other areas of law.

Des Peres Des Peres 31 yrs experience 31 year
Call (557) 201-2414 Book Appointment

Contracts & Agreements & More Attorney · Serving Des Peres, MO · 31+ Years Experience

Profile Summary

About Mark A. Denney at a Glance

Mark A. Denney is a MSC.Software Corporation based in Des Peres, Missouri. They have 31+ years of legal experience, licensed to practice since 1995. Their practice focuses on contracts, employment, business, ip, and tax. Admitted to practice in Ohio (1995). Educated at University of Dayton (J.D., 1994) and Xavier University (B.A. Xavier, 1987). Serves clients in Des Peres, MO and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark A. Denney

  • Mark A. Denney is a lawyer practicing contracts & agreements, intellectual property, mergers & acquisitions and 5 other areas of law
  • Mark received a B.A. degree from Xavier University in 1987, and has been licensed for 31 years
  • Mark practices in Des Peres, MO

Practice Areas Explained

Mark A. Denney's Areas of Legal Practice

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

Contracts in Des Peres

Mark A. Denney is one of 76,101 contracts attorneys indexed nationally. Browse contracts attorneys in Missouri →

Employment Law in Des Peres

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Mark A. Denney is one of 167,770 employment attorneys indexed nationally. Browse employment attorneys in Missouri →

Business & Corporate Law in Des Peres

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

Mark A. Denney is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Missouri →

Intellectual Property in Des Peres

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Mark A. Denney is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Missouri →

Tax Law in Des Peres

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

Mark A. Denney is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Missouri →

Jurisdictional Context

Why Local Counsel Matters in Des Peres

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

Des Peres Courts and Legal Process

Choosing a Des Peres-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 Missouri attorneys? Browse all attorneys in Des Peres or all attorneys in Missouri.

Frequently Asked

Common Questions About Mark A. Denney

Where is Mark A. Denney's law office located?
Mark A. Denney's law practice is located in Des Peres, Missouri. You can contact the office directly through this profile page.
What practice areas does Mark A. Denney handle?
Mark A. Denney focuses on contracts, employment, business, ip, tax. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Mark A. Denney practiced law?
Mark A. Denney has 31+ years of legal experience and has been licensed since 1995.
Where did Mark A. Denney go to law school?
Mark A. Denney earned their education at (J.D., 1994); (B.A. Xavier, 1987).
How can I contact Mark A. Denney for a consultation?
You can contact Mark A. Denney 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 Des Peres Choose Mark A. Denney

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 A. Denney's practice in the field of contracts, employment, business, ip, and tax.

Decade-Tested Legal Experience

Mark A. Denney brings 31+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering contracts, employment, and business, Mark A. Denney can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Des Peres

A Des Peres-based practice means Mark A. Denney 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 A. Denney Handles in Des Peres

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

Wrongful termination claims
Employment
Workplace discrimination
Employment
Wage and hour disputes
Employment
Non-compete agreement review
Employment
Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

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

Search Reference

How People Find Mark A. Denney Online

Prospective clients searching for legal help in Des Peres 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 A. Denney.

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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 A. Denney directly.

Education & Law School Background

J.D.
University of Dayton
- 1994
B.A. Xavier
Xavier University
- 1987

Bar Admissions & Licensed Jurisdictions

Ohio
Admitted: 1995

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