Atty. Andrew X Sinn

Atty. Andrew X Sinn

Andrew X Sinn is a lawyer practicing business law, public law, intellectual property and 1 other area of law. Andrew received a degree from Univ of Washington SOL, and has been licensed for 18 years.

San Francisco San Francisco 18 yrs experience 18 year
Call (628) 466-0209 Book Appointment

Profile Summary

About Andrew X Sinn at a glance

Andrew X Sinn is a business, ip, government, and internet attorney based in San Francisco, California. They have 18+ years of legal experience, licensed to practice since 2008. Admitted to practice in Admitted to The State Bar of California (2008). Educated at Univ of Washington SOL Seattle WA Univ of Washington Seattle WA (—). Serands clients in San Francisco, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Andrew X Sinn is a lawyer practicing business law, public law, intellectual property and 1 other area of law
  • Andrew received a degree from Univ of Washington SOL, and has been licensed for 18 years
  • Andrew practices in San Francisco, CA

Practice Areas Explained

Andrew X Sinn's Areas of Practice

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

Business & Corporate Law

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

Andrew X Sinn 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.

Andrew X Sinn is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in California →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Andrew X Sinn is one of 132,225 government attorneys indexed nationally. Browse government attorneys in California →

Internet & Cyber Law

Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.

Andrew X Sinn is one of 17,958 internet attorneys indexed nationally. Browse internet 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 Andrew X Sinn

Where is Andrew X Sinn's law office located?
Andrew X Sinn's law practice is located in San Francisco, California. You can contact the office directly through this profile page.
What practice areas does Andrew X Sinn handle?
Andrew X Sinn focuses on business, ip, government, internet. Each practice area listed reflects experience handling cases of that type in California.
How long has Andrew X Sinn practiced law?
Andrew X Sinn has 18+ years of legal experience and has been licensed since 2008.
Where did Andrew X Sinn go to law school?
Andrew X Sinn earned their education at (—).
How can I contact Andrew X Sinn for a consultation?
You can contact Andrew X Sinn 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

Univ of Washington SOL Seattle WA Univ of Washington Seattle WA
- In Progress

Bar Admissions

Admitted to The State Bar of California
Admitted: 2008

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