Atty. Daniel S. Heyneman

Atty. Daniel S. Heyneman

Daniel S. Heyneman is a lawyer.

Washington Washington 30 yrs experience 30 year
Call (404) 689-5892 Book Appointment

Attorney · Serving Washington, DC · 30+ Years Experience

Profile Summary

About Daniel S. Heyneman at a Glance

Daniel S. Heyneman is an Attorney based in Washington, District of Columbia, practicing at Williams And Connolly Llp. They have 30+ years of legal experience, licensed to practice since 1996. Admitted to practice in Illinois (1996) and District of Columbia (2003). Educated at Chicago-Kent College of Law, Illinois Institute of Technology (J.D., 1996) and University of Rochester (B.A., 1990). Serves clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Daniel S. Heyneman

  • Daniel S. Heyneman is a lawyer
  • Daniel received a B.A. degree from University of Rochester in 1990, and has been licensed for 30 years
  • Daniel practices at Williams & Connolly LLP in Washington, DC

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 Daniel S. Heyneman

Where is Daniel S. Heyneman's law office located?
Daniel S. Heyneman's law practice is located in Washington, District of Columbia. The firm is Williams And Connolly Llp. You can contact the office directly through this profile page.
How long has Daniel S. Heyneman practiced law?
Daniel S. Heyneman has 30+ years of legal experience and has been licensed since 1996.
Where did Daniel S. Heyneman go to law school?
Daniel S. Heyneman earned their education at (J.D., 1996); (B.A., 1990).
How can I contact Daniel S. Heyneman for a consultation?
You can contact Daniel S. Heyneman 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 Daniel S. Heyneman

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 Daniel S. Heyneman's practice.

Decade-Tested Legal Experience

Daniel S. Heyneman brings 30+ 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 Illinois and District of Columbia, Daniel S. Heyneman can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Local Presence in Washington

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

Search Reference

How People Find Daniel S. Heyneman 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 Daniel S. Heyneman.

Daniel S. Heyneman attorney Daniel S. Heyneman lawyer Daniel S. Heyneman Washington Daniel S. Heyneman District of Columbia Daniel S. Heyneman reviews Daniel S. Heyneman contact Williams And Connolly Llp law firm 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 Daniel S. Heyneman directly.

Education & Law School Background

J.D.
Chicago-Kent College of Law, Illinois Institute of Technology
- 1996
B.A.
University of Rochester
- 1990

Bar Admissions & Licensed Jurisdictions

Illinois
Admitted: 1996
District of Columbia
Admitted: 2003

Client Reviews & Ratings — Daniel S. Heyneman

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.