Atty. Guillermo Marrero

Atty. Guillermo Marrero

Guillermo Marrero is a lawyer practicing international commercial law, civil litigation, litigation and 5 other areas of law. Guillermo received a B.A. degree from University of California, Davis in 1978, and has been licensed for 45 years.

San Diego San Diego 45 yrs experience 45 year
Call (619) 923-2874 Book Appointment

Profile Summary

About Guillermo Marrero at a glance

Guillermo Marrero is a Member based in San Diego, California, practicing at International Practice Group, P.C.. They have 45+ years of legal experience, licensed to practice since 1981. Their practice focuses on formation, business, ip, litigation, and international. Admitted to practice in California (1981). Educated at Hastings College of the Law (J.D., 1981) and University of California, Davis (B.A., 1978). Recognitions include AV Preeminent. Active member of San Diego County and American. Serands clients in San Diego, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Guillermo Marrero is a lawyer practicing international commercial law, civil litigation, litigation and 5 other areas of law
  • Guillermo received a B.A. degree from University of California, Davis in 1978, and has been licensed for 45 years
  • Guillermo practices at International Practice Group, P.C. in San Diego, CA

Practice Areas Explained

Guillermo Marrero's Areas of Practice

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

Business Formation

Guillermo Marrero is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in California →

Business & Corporate Law

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

Guillermo Marrero is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Intellectual Property

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

Guillermo Marrero is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in California →

Civil Litigation

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

Guillermo Marrero is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →

International Law

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

Guillermo Marrero is one of 40,133 international attorneys indexed nationally. Browse international attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in San Diego or all attorneys in California.

Frequently Asked

Common questions about Guillermo Marrero

Where is Guillermo Marrero's law office located?
Guillermo Marrero's law practice is located in San Diego, California. The firm is International Practice Group, P.C.. You can contact the office directly through this profile page.
What practice areas does Guillermo Marrero handle?
Guillermo Marrero focuses on formation, business, ip, litigation, international. Each practice area listed reflects experience handling cases of that type in California.
How long has Guillermo Marrero practiced law?
Guillermo Marrero has 45+ years of legal experience and has been licensed since 1981.
Where did Guillermo Marrero go to law school?
Guillermo Marrero earned their education at (J.D., 1981); (B.A., 1978).
How can I contact Guillermo Marrero for a consultation?
You can contact Guillermo Marrero 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.
What awards or recognition has Guillermo Marrero received?
Guillermo Marrero's notable recognition includes: AV Preeminent.

Education

J.D.
Hastings College of the Law
- 1981
B.A.
University of California, Davis
- 1978

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1981

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