Atty. Warren H Maruyama

Atty. Warren H Maruyama

Warren H Maruyama is a lawyer practicing international trade and investment, pharmaceutical and biotechnology, food and agriculture and 3 other areas of law. Warren received a B.A. degree from Carleton College in 1976, and has been licensed for 46 years.

Washington Washington 46 yrs experience 46 year
Call (404) 689-5892 Book Appointment

Profile Summary

About Warren H Maruyama at a glance

Warren H Maruyama is a Partner based in Washington, District of Columbia, practicing at Hogan Lovells Us Llp. They have 46+ years of legal experience, licensed to practice since 1980. Their practice focuses on ip, environmental, health care, and international. Admitted to practice in Minnesota (1980) and District of Columbia (1982). Educated at Cornell University Law School (J.D., 1980) and Carleton College (B.A., 1976). Active member of The District of Columbia Bar. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Warren H Maruyama is a lawyer practicing international trade and investment, pharmaceutical and biotechnology, food and agriculture and 3 other areas of law
  • Warren received a B.A. degree from Carleton College in 1976, and has been licensed for 46 years
  • Warren practices at Hogan Lovells US LLP in Washington, DC

Practice Areas Explained

Warren H Maruyama's Areas of Practice

Each practice area below reflects the types of cases Warren H Maruyama handles, with a brief overview of what that area of law covers.

Intellectual Property

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

Warren H Maruyama is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Warren H Maruyama is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in District of Columbia →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Warren H Maruyama is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in District of Columbia →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

Warren H Maruyama is one of 40,133 international attorneys indexed nationally. Browse international 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 Warren H Maruyama

Where is Warren H Maruyama's law office located?
Warren H Maruyama's law practice is located in Washington, District of Columbia. The firm is Hogan Lovells Us Llp. You can contact the office directly through this profile page.
What practice areas does Warren H Maruyama handle?
Warren H Maruyama focuses on ip, environmental, health care, international. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Warren H Maruyama practiced law?
Warren H Maruyama has 46+ years of legal experience and has been licensed since 1980.
Where did Warren H Maruyama go to law school?
Warren H Maruyama earned their education at (J.D., 1980); (B.A., 1976).
How can I contact Warren H Maruyama for a consultation?
You can contact Warren H Maruyama 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.
Cornell University Law School
- 1980
B.A.
Carleton College
- 1976

Bar Admissions

Minnesota
Admitted: 1980
District of Columbia
Admitted: 1982

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