Atty. James Marcus Hennessee

Atty. James Marcus Hennessee

Mr. James Marcus Hennessee is a lawyer practicing business law, contracts, corporate law and 6 other areas of law.

Phoenix Phoenix 18 yrs experience 18 year
Call (469) 455-0279 Book Appointment

Profile Summary

About James Marcus Hennessee at a glance

James Marcus Hennessee is a Sr. IP Coun. based in Phoenix, Arizona. They have 18+ years of legal experience, licensed to practice since 2008. Their practice focuses on contracts, business, ip, and internet. Admitted to practice in Arizona United States District Court, District of Arizona United States Patent and Trademark Office (2008). Educated at George Washington University (M.B.A. Finance, 1999) and George Washington University Law School J.D. 2007 Member George Washington University Law School J.D. Alternative Dispute Resolution Board (—). Serands clients in Phoenix, AZ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. James Marcus Hennessee is a lawyer practicing business law, contracts, corporate law and 6 other areas of law
  • James Marcus received a M.B.A. degree from George Washington University in 1999, and has been licensed for 18 years
  • James Marcus practices in Phoenix, AZ

Practice Areas Explained

James Marcus Hennessee's Areas of Practice

Each practice area below reflects the types of cases James Marcus Hennessee handles, with a brief overview of what that area of law covers.

Contracts

James Marcus Hennessee is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Arizona →

Business & Corporate Law

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

James Marcus Hennessee is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Arizona →

Intellectual Property

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

James Marcus Hennessee is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Arizona →

Internet & Cyber Law

Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.

James Marcus Hennessee is one of 17,958 internet attorneys indexed nationally. Browse internet attorneys in Arizona →

Jurisdictional Context

Why local counsel matters in Arizona

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

Looking for additional Arizona attorneys? Browse all attorneys in Phoenix or all attorneys in Arizona.

Frequently Asked

Common questions about James Marcus Hennessee

Where is James Marcus Hennessee's law office located?
James Marcus Hennessee's law practice is located in Phoenix, Arizona. You can contact the office directly through this profile page.
What practice areas does James Marcus Hennessee handle?
James Marcus Hennessee focuses on contracts, business, ip, internet. Each practice area listed reflects experience handling cases of that type in Arizona.
How long has James Marcus Hennessee practiced law?
James Marcus Hennessee has 18+ years of legal experience and has been licensed since 2008.
Where did James Marcus Hennessee go to law school?
James Marcus Hennessee earned their education at (M.B.A. Finance, 1999); (—).
How can I contact James Marcus Hennessee for a consultation?
You can contact James Marcus Hennessee 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

M.B.A. Finance
George Washington University
- 1999
George Washington University Law School J.D. 2007 Member George Washington University Law School J.D. Alternative Dispute Resolution Board
- In Progress

Bar Admissions

Arizona United States District Court, District of Arizona United States Patent and Trademark Office
Admitted: 2008

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