Atty. James E Armstrong IV

Atty. James E Armstrong IV

James E Armstrong IV is a lawyer practicing intellectual property, patents, patent application and 2 other areas of law. James received a Ch.E. degree from The Johns Hopkins University in 1994, and has been licensed for 28 years.

Washington Washington 28 yrs experience 28 year
Call (771) 224-8358 Book Appointment

Intellectual Property & More Attorney · Serving Washington, DC · 28+ Years Experience

Profile Summary

About James E Armstrong IV at a Glance

James E Armstrong IV is a Partner based in Washington, District of Columbia, practicing at Locke Lord LLP. They have 28+ years of legal experience, licensed to practice since 1998. Their practice focuses on patent, trademark, ip, and litigation. Admitted to practice in District of Columbia U.S. Patent & Trademark Office (1998). Educated at The American University (J.D., 1997) and The Johns Hopkins University (Ch.E., 1994). Provides legal services in Japanese Korean. Serves clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated November 2026

About James E Armstrong IV

  • James E Armstrong IV is a lawyer practicing intellectual property, patents, patent application and 2 other areas of law
  • James received a Ch.E. degree from The Johns Hopkins University in 1994, and has been licensed for 28 years
  • James practices at Locke Lord LLP in Washington, DC

Practice Areas Explained

James E Armstrong IV's Areas of Legal Practice

Each practice area below reflects the types of cases James E Armstrong IV handles, with a practical overview of what that area of law involves and how it may apply to your situation in Washington.

Patent Law in Washington

James E Armstrong IV is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in District of Columbia →

Trademark Law in Washington

James E Armstrong IV is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in District of Columbia →

Intellectual Property in Washington

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

James E Armstrong IV is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Civil Litigation in Washington

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

James E Armstrong IV is one of 450,750 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

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 James E Armstrong IV

Where is James E Armstrong IV's law office located?
James E Armstrong IV's law practice is located in Washington, District of Columbia. The firm is Locke Lord LLP. You can contact the office directly through this profile page.
What practice areas does James E Armstrong IV handle?
James E Armstrong IV focuses on patent, trademark, ip, litigation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has James E Armstrong IV practiced law?
James E Armstrong IV has 28+ years of legal experience and has been licensed since 1998.
What languages does James E Armstrong IV speak?
James E Armstrong IV provides legal services in Japanese Korean. Bilingual representation can be especially important when contracts, testimony, or court filings require accurate translation.
Where did James E Armstrong IV go to law school?
James E Armstrong IV earned their education at (J.D., 1997); (Ch.E., 1994).
How can I contact James E Armstrong IV for a consultation?
You can contact James E Armstrong IV 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 James E Armstrong IV

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 James E Armstrong IV's practice in the field of patent, trademark, ip, and litigation.

Decade-Tested Legal Experience

James E Armstrong IV brings 28+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering patent, trademark, and ip, James E Armstrong IV can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Washington

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

Case Types

Common Legal Issues James E Armstrong IV Handles in Washington

Below is a representative sample of the types of matters James E Armstrong IV has experience with under District of Columbia law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

This list is illustrative, not exhaustive. Contact James E Armstrong IV directly to discuss the specifics of your situation.

Search Reference

How People Find James E Armstrong IV 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 James E Armstrong IV.

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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 James E Armstrong IV directly.

James E Armstrong IV's Practice Areas & Specializations

Education & Law School Background

J.D.
The American University
- 1997
Ch.E.
The Johns Hopkins University
- 1994

Languages Spoken — Legal Services Available In

Bar Admissions & Licensed Jurisdictions

District of Columbia U.S. Patent & Trademark Office
Admitted: 1998

Client Reviews & Ratings — James E Armstrong IV

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