Atty. Matthew Dewitt Osnos

Atty. Matthew Dewitt Osnos

Matthew Dewitt Osnos is a lawyer practicing commercial litigation, commercial transactions, real estate and 4 other areas of law. Matthew received a B.A. degree from University of Pennsylvania in 1979, and has been licensed for 44 years.

Greenbelt Greenbelt 44 yrs experience 44 year
Call (301) 830-5752 Book Appointment

Profile Summary

About Matthew Dewitt Osnos at a glance

Matthew Dewitt Osnos is a Litigation Practice Group Leader based in Greenbelt, Maryland, practicing at O'Malley, Miles, Nylen & Gilmore, P.A.. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on contracts, business, real estate, bankruptcy, and litigation. Admitted to practice in Maryland (1982) and District of Columbia U.S. District Court, District of Maryland U.S. Bankruptcy, District of Maryland (1983). Educated at Duke University (J.D., 1982) and University of Pennsylvania (B.A., 1979). Recognitions include BV Distinguished. Active member of Prince George's County and Maryland State Bar Associations The District of Columbia Bar. Serands clients in Greenbelt, MD and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Matthew Dewitt Osnos is a lawyer practicing commercial litigation, commercial transactions, real estate and 4 other areas of law
  • Matthew received a B.A. degree from University of Pennsylvania in 1979, and has been licensed for 44 years
  • Matthew practices at O'Malley, Miles, Nylen & Gilmore, P.A. in Greenbelt, MD

Practice Areas Explained

Matthew Dewitt Osnos's Areas of Practice

Each practice area below reflects the types of cases Matthew Dewitt Osnos handles, with a brief overview of what that area of law covers.

Contracts

Matthew Dewitt Osnos is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Maryland →

Business & Corporate Law

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

Matthew Dewitt Osnos is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Maryland →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Matthew Dewitt Osnos is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Maryland →

Bankruptcy & Debt

A bankruptcy attorney can help you eliminate debt, stop creditor harassment, and protect your home through Chapter 7 or Chapter 13.

Matthew Dewitt Osnos is one of 105,321 bankruptcy attorneys indexed nationally. Browse bankruptcy attorneys in Maryland →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Matthew Dewitt Osnos is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Maryland →

Jurisdictional Context

Why local counsel matters in Maryland

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

Looking for additional Maryland attorneys? Browse all attorneys in Greenbelt or all attorneys in Maryland.

Frequently Asked

Common questions about Matthew Dewitt Osnos

Where is Matthew Dewitt Osnos's law office located?
Matthew Dewitt Osnos's law practice is located in Greenbelt, Maryland. The firm is O'Malley, Miles, Nylen & Gilmore, P.A.. You can contact the office directly through this profile page.
What practice areas does Matthew Dewitt Osnos handle?
Matthew Dewitt Osnos focuses on contracts, business, real estate, bankruptcy, litigation. Each practice area listed reflects experience handling cases of that type in Maryland.
How long has Matthew Dewitt Osnos practiced law?
Matthew Dewitt Osnos has 44+ years of legal experience and has been licensed since 1982.
Where did Matthew Dewitt Osnos go to law school?
Matthew Dewitt Osnos earned their education at (J.D., 1982); (B.A., 1979).
How can I contact Matthew Dewitt Osnos for a consultation?
You can contact Matthew Dewitt Osnos 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 Matthew Dewitt Osnos received?
Matthew Dewitt Osnos's notable recognition includes: BV Distinguished.

Education

J.D.
Duke University
- 1982
B.A.
University of Pennsylvania
- 1979

Awards

BV Distinguished

Bar Admissions

Maryland
Admitted: 1982
District of Columbia U.S. District Court, District of Maryland U.S. Bankruptcy, District of Maryland
Admitted: 1983

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