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Siho Yoo, General Attorney in San Francisco, California

Over 15 years of legal practice · focused on General, International, and Patent

Senior Associate, Intellectual PropertyatVinson & Elkins LLP

San Francisco, CA

Practicing general in San Francisco since 2011.

15+
Years practicing
3
Bar admissions

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Quick answer

Siho Yoo is a senior associate, intellectual property based in San Francisco, CA. The practice focuses on General, International, and Patent. Siho has over 15 years of legal experience. Currently practicing at Vinson & Elkins LLP.

Based in
San Francisco, CA
Experience
over 15 years
Known for
General · International · Patent
  • Handles General, International, and Patent matters from San Francisco, CA.
  • Over 15 years of practice as a licensed attorney.

About Siho Yoo: Siho Yoo is a senior associate, intellectual property based in San Francisco, CA. The practice focuses on General, International, and Patent. Siho has over 15 years of legal experience. Currently practicing at Vinson & Elkins LLP.

Areas of practice

Siho's practice areas in San Francisco

Siho concentrates on general, international, patent, and trademark. Each area below outlines the kind of case Siho handles, typical outcomes to expect, and how the intake process starts.

General cases in San Francisco, California

Siho takes general matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Siho agrees to represent you.

International cases in San Francisco, California

Siho takes international matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Siho agrees to represent you.

Patent cases in San Francisco, California

Siho takes patent matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Siho agrees to represent you.

Trademark cases in San Francisco, California

Siho takes trademark matters in San Francisco, California. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Siho agrees to represent you.

Biography

Siho Yoo, general attorney serving San Francisco

Siho Yoo is a senior associate, intellectual property based in San Francisco, CA. The practice focuses on General, International, and Patent. Siho has over 15 years of legal experience. Currently practicing at Vinson & Elkins LLP. Siho works from San Francisco, California and takes on general matters across the region.

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.

Siho's approach to general cases

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.

Clients Siho works with

Siho reviews new inquiries case-by-case for general, international, and patent matters in San Francisco and the surrounding California area.

Credentials

Credentials — where Siho studied and practices

  • University of Illinois College of Law

    J.D. · 2011

  • Yonsei University

    M.S. Artificial · 2004

Jurisdictions

Siho's state bar admissions

  • California

    2016 · ACTIVE

  • Missouri

    2012 · ACTIVE

  • Illinois

    2011 · ACTIVE

Siho studied at J.D. in University of Illinois College of Law and M.S. Artificial in Yonsei University.

Law school and academic background

Siho completed J.D. in University of Illinois College of Law and M.S. Artificial in Yonsei University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Siho runs in California is where that training gets applied to real client questions.

Locations

Siho Yoo's office in San Francisco

Siho's primary office is at 555 Mission Street, Suite 2000, San Francisco, CA, 94105. In-person meetings are by appointment; a phone intake usually comes first.

Main office

Vinson & Elkins LLP

555 Mission Street, Suite 2000

San Francisco, CA 94105

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Client feedback

Client reviews of Siho Yoo

Siho has not yet collected verified client reviews on LawyersListed. Reviews here are all from confirmed clients; anonymous ratings are moderated out.

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Hiring guide

How to hire Siho Yoo — what to expect in your first consultation

Working with a new general attorney should feel structured. Here's how the first two conversations with Siho usually go, from the moment you request a consult to the day representation begins.

Consultation formats and pricing

Siho charges for the initial consult. That fee is credited toward representation if you retain Siho's office.

What to bring to your first meeting

Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Siho will tell you what matters and what doesn't.

Questions to ask a general attorney in San Francisco, California

A short list to run through before you commit: How many general matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?

Fees & payment

Fees, payment methods, and consultation options for Siho

Siho discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in general practice — ask which fits.

Hourly rates, contingency fees, and flat-fee options

Every general matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Siho confirms the model in the engagement letter before any work starts.

Payment methods and payment plans

Siho's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many general practices work with clients on structured schedules.

Frequently asked

Frequently asked questions about Siho Yoo

  • How much does it cost to hire Siho for a general case?

    Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Siho walks through the likely range during the consult so there are no surprises.

  • Does Siho offer a free consultation?

    Siho charges for the initial consult; that fee is credited toward representation if you retain Siho's office. Some general attorneys offer free consults — check Siho's current terms during booking.

  • How long do general cases in California typically take?

    Simple general matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Siho gives a realistic estimate for your facts at the consult — vague answers here are a red flag.

  • Can Siho take my case if I'm outside San Francisco?

    Siho is licensed in California. Matters governed by California law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Siho will tell you if the case is a fit or refer you to someone closer to your court.

  • What should I bring to my first meeting with Siho?

    Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Siho will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.

  • Is Siho accepting new general clients right now?

    Siho's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.

Areas served

General attorneys serving San Francisco, Los Angeles and San Diego in California

Siho handles general matters throughout California. Each city below is a direct link into the search page for verified general attorneys in that community.

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