Atty. Donald J Simon

Atty. Donald J Simon

Donald J Simon is a lawyer practicing commercial litigation. Donald received a B.A. degree from Harvard University in 1975, and has been licensed for 48 years.

Washington Washington 48 yrs experience 48 year
Call (305) 564-3384 Book Appointment

Profile Summary

About Donald J Simon at a glance

Donald J Simon is a Member based in Washington, District of Columbia, practicing at Sonosky, Chambers, Sachse, Endreson & Perry. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on business and litigation. Admitted to practice in District of Columbia (1978). Educated at Harvard University (J.D., 1978) and Harvard University (B.A., 1975). Active member of The District of Columbia Bar American Bar Association. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Donald J Simon is a lawyer practicing commercial litigation
  • Donald received a B.A. degree from Harvard University in 1975, and has been licensed for 48 years
  • Donald practices at Sonosky, Chambers, Sachse, Endreson & Perry in Washington, DC

Practice Areas Explained

Donald J Simon's Areas of Practice

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

Business & Corporate Law

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

Donald J Simon is one of 501,317 business attorneys indexed nationally. Browse business attorneys in District of Columbia →

Civil Litigation

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

Donald J Simon is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

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 andnue, 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.

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

Frequently Asked

Common questions about Donald J Simon

Where is Donald J Simon's law office located?
Donald J Simon's law practice is located in Washington, District of Columbia. The firm is Sonosky, Chambers, Sachse, Endreson & Perry. You can contact the office directly through this profile page.
What practice areas does Donald J Simon handle?
Donald J Simon focuses on business, litigation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Donald J Simon practiced law?
Donald J Simon has 48+ years of legal experience and has been licensed since 1978.
Where did Donald J Simon go to law school?
Donald J Simon earned their education at (J.D., 1978); (B.A., 1975).
How can I contact Donald J Simon for a consultation?
You can contact Donald J Simon 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.

Practice Areas

Education

J.D.
Harvard University
- 1978
B.A.
Harvard University
- 1975

Bar Admissions

District of Columbia
Admitted: 1978

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