Atty. David Han Tseng

Atty. David Han Tseng

David Han Tseng is a lawyer practicing intellectual property litigation, patent, trademark and 2 other areas of law. David received a B.S.E. degree from University of Michigan in 2002, and has been licensed for 18 years.

Seattle Seattle 18 yrs experience 18 year
Call (206) 970-4726 Book Appointment

Profile Summary

About David Han Tseng at a glance

David Han Tseng is a trademark, copyright, and ip attorney based in Seattle, Washington. They have 18+ years of legal experience, licensed to practice since 2008. Admitted to practice in California (2008) and Washington registered to practice before the U.S. Patent and Trademark Office (2014). Educated at Rutgers University Law School (J.D., 2006) and University of Michigan (B.S.E., 2002). Active member of State Bar of California. Serands clients in Seattle, WA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Han Tseng is a lawyer practicing intellectual property litigation, patent, trademark and 2 other areas of law
  • David received a B.S.E. degree from University of Michigan in 2002, and has been licensed for 18 years
  • David practices in Seattle, WA

Practice Areas Explained

David Han Tseng's Areas of Practice

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

Trademark Law

David Han Tseng is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Washington →

Copyright Law

David Han Tseng is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in Washington →

Intellectual Property

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

David Han Tseng is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Washington →

Jurisdictional Context

Why local counsel matters in Washington

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

Looking for additional Washington attorneys? Browse all attorneys in Seattle or all attorneys in Washington.

Frequently Asked

Common questions about David Han Tseng

Where is David Han Tseng's law office located?
David Han Tseng's law practice is located in Seattle, Washington. You can contact the office directly through this profile page.
What practice areas does David Han Tseng handle?
David Han Tseng focuses on trademark, copyright, ip. Each practice area listed reflects experience handling cases of that type in Washington.
How long has David Han Tseng practiced law?
David Han Tseng has 18+ years of legal experience and has been licensed since 2008.
Where did David Han Tseng go to law school?
David Han Tseng earned their education at (J.D., 2006); (B.S.E., 2002).
How can I contact David Han Tseng for a consultation?
You can contact David Han Tseng 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.
Rutgers University Law School
- 2006
B.S.E.
University of Michigan
- 2002

Bar Admissions

California
Admitted: 2008
Washington registered to practice before the U.S. Patent and Trademark Office
Admitted: 2014

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