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
Practices in
Are you Siho Yoo?
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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
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International
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Patent
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Trademark
View other Trademark attorneys
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.
Vinson & Elkins LLP
555 Mission Street, Suite 2000
San Francisco, CA 94105
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Client reviews of Siho Yoo
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Schedule your consultationHiring 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.
- San Francisco26,380 attorneys
- Los Angeles39,975 attorneys
- San Diego16,903 attorneys
- Sacramento10,561 attorneys
- Irvine6,831 attorneys
- Oakland5,709 attorneys
- San Jose5,009 attorneys
- Palo Alto4,084 attorneys
- Beverly Hills3,348 attorneys
- Newport Beach3,106 attorneys
- Pasadena2,894 attorneys
- Santa Monica2,756 attorneys
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