Atty. Siho Yoo

Atty. Siho Yoo

Siho Yoo is a lawyer practicing patent litigation, international trade commission litigation, technology and 3 other areas of law. Siho received a M.S. degree from Yonsei University in 2004, and has been licensed for 15 years.

San Francisco San Francisco 15 yrs experience 15 year
Call (628) 303-0139 Book Appointment

Profile Summary

About Siho Yoo at a glance

Siho Yoo is a Senior Associate, Intellectual Property based in San Francisco, California, practicing at Vinson & Elkins LLP. They have 15+ years of legal experience, licensed to practice since 2011. Their practice focuses on patent, trademark, and international. Admitted to practice in Illinois (2011), Missouri (2012), and California (2016). Educated at University of Illinois College of Law (J.D., 2011) and Yonsei University (M.S. Artificial, 2004). Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Siho Yoo is a lawyer practicing patent litigation, international trade commission litigation, technology and 3 other areas of law
  • Siho received a M.S. degree from Yonsei University in 2004, and has been licensed for 15 years
  • Siho practices at Vinson & Elkins LLP in San Francisco, CA

Practice Areas Explained

Siho Yoo's Areas of Practice

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

Patent Law

Siho Yoo is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in California →

Trademark Law

Siho Yoo is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in California →

International Law

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

Siho Yoo 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 Francisco 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 Francisco or all attorneys in California.

Frequently Asked

Common questions about Siho Yoo

Where is Siho Yoo's law office located?
Siho Yoo's law practice is located in San Francisco, California. The firm is Vinson & Elkins LLP. You can contact the office directly through this profile page.
What practice areas does Siho Yoo handle?
Siho Yoo focuses on patent, trademark, international. Each practice area listed reflects experience handling cases of that type in California.
How long has Siho Yoo practiced law?
Siho Yoo has 15+ years of legal experience and has been licensed since 2011.
Where did Siho Yoo go to law school?
Siho Yoo earned their education at (J.D., 2011); (M.S. Artificial, 2004).
How can I contact Siho Yoo for a consultation?
You can contact Siho Yoo 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.
University of Illinois College of Law
- 2011
M.S. Artificial
Yonsei University
- 2004

Bar Admissions

Illinois
Admitted: 2011
Missouri
Admitted: 2012
California
Admitted: 2016

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