Atty. Joseph Preston Long

Atty. Joseph Preston Long

Joseph Preston Long is a lawyer practicing patent application, general practice, criminal defense. Joseph has been licensed for 14 years.

Washington Washington 14 yrs experience 14 year
Call (650) 517-0420 Book Appointment

Profile Summary

About Joseph Preston Long at a glance

Joseph Preston Long is a patent and criminal defense attorney based in Washington, District of Columbia. They have 14+ years of legal experience, licensed to practice since 2012. Admitted to practice in Virginia (2012) and District of Columbia (2013). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Joseph Preston Long is a lawyer practicing patent application, general practice, criminal defense
  • Joseph has been licensed for 14 years
  • Joseph practices in Washington, DC

Practice Areas Explained

Joseph Preston Long's Areas of Practice

Each practice area below reflects the types of cases Joseph Preston Long handles, with a brief overview of what that area of law covers.

Patent Law

Joseph Preston Long is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in District of Columbia →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Joseph Preston Long is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense 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 Joseph Preston Long

Where is Joseph Preston Long's law office located?
Joseph Preston Long's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does Joseph Preston Long handle?
Joseph Preston Long focuses on patent, criminal defense. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Joseph Preston Long practiced law?
Joseph Preston Long has 14+ years of legal experience and has been licensed since 2012.
How can I contact Joseph Preston Long for a consultation?
You can contact Joseph Preston Long 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.

Bar Admissions

Virginia
Admitted: 2012
District of Columbia
Admitted: 2013

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