Atty. David M Longo

Atty. David M Longo

David M Longo is a lawyer practicing design patent procurement & prosecution, counseling & strategic advice, utility patent procurement & prosecution and 5 other areas of law. David received a B.S. degree from University of Scranton in 1995, and has been licensed for 20 years.

Alexandria Alexandria 20 yrs experience 20 year
Call (703) 776-9254 Book Appointment

Profile Summary

About David M Longo at a glance

David M Longo is a Partner based in Alexandria, Virginia, practicing at Oblon Mcclelland Maier And Neustadt L L P. They have 20+ years of legal experience, licensed to practice since 2006. Their practice focuses on patent, ip, litigation, and consumer. Admitted to practice in Virginia Eastern District of Virginia Court of Appeals for the Federal Circuit Court of Appeals for (2006), District of Columbia (2006), and New Jersey (2006). Educated at George Washington University Law School (J.D., 2005) and University of Scranton (B.S. Physics, 1995). Active member of Professional Affiliations •American Intellectual Property Law Association (AIPLA) •AIPLA IP Practice in Japan Committee •U, S, and Bar - Japan Patent Office Liaison Council. Serands clients in Alexandria, VA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David M Longo is a lawyer practicing design patent procurement & prosecution, counseling & strategic advice, utility patent procurement & prosecution and 5 other areas of law
  • David received a B.S. degree from University of Scranton in 1995, and has been licensed for 20 years
  • David practices at Oblon, McClelland, Maier & Neustadt, L.L.P. in Alexandria, VA

Practice Areas Explained

David M Longo's Areas of Practice

Each practice area below reflects the types of cases David M Longo handles, with a brief overview of what that area of law covers.

Patent Law

David M Longo is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Virginia →

Intellectual Property

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

David M Longo is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Virginia →

Civil Litigation

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

David M Longo is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Virginia →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

David M Longo is one of 50,607 consumer attorneys indexed nationally. Browse consumer attorneys in Virginia →

Jurisdictional Context

Why local counsel matters in Virginia

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

Looking for additional Virginia attorneys? Browse all attorneys in Alexandria or all attorneys in Virginia.

Frequently Asked

Common questions about David M Longo

Where is David M Longo's law office located?
David M Longo's law practice is located in Alexandria, Virginia. The firm is Oblon Mcclelland Maier And Neustadt L L P. You can contact the office directly through this profile page.
What practice areas does David M Longo handle?
David M Longo focuses on patent, ip, litigation, consumer. Each practice area listed reflects experience handling cases of that type in Virginia.
How long has David M Longo practiced law?
David M Longo has 20+ years of legal experience and has been licensed since 2006.
Where did David M Longo go to law school?
David M Longo earned their education at (J.D., 2005); (B.S. Physics, 1995).
How can I contact David M Longo for a consultation?
You can contact David M Longo 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.

Education

J.D.
George Washington University Law School
- 2005
B.S. Physics
University of Scranton
- 1995

Bar Admissions

Virginia Eastern District of Virginia Court of Appeals for the Federal Circuit Court of Appeals for
Admitted: 2006
District of Columbia
Admitted: 2006
New Jersey
Admitted: 2006

Reviews

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.