Atty. Tianran Yan

Atty. Tianran Yan

Tianran Yan is a lawyer practicing life sciences, nanotechnology, chemical and 5 other areas of law. Tianran received a B.S. degree from Sun Yat-Sen University in China in 2004, and has been licensed for 17 years.

Washington Washington 17 yrs experience 17 year
Call (771) 240-3147 Book Appointment

Profile Summary

About Tianran Yan at a glance

Tianran Yan is an Associate based in Washington, District of Columbia, practicing at Foley & Lardner LLP. They have 17+ years of legal experience, licensed to practice since 2009. Their practice focuses on patent and ip. Admitted to practice in Illinois (2009) and District of Columbia U.S. Patent and Trademark Office (2011). Educated at Sun Yat-Sen University in China (B.S. Biotechnology, 2004) and Chicago-Kent College of Law J.D. 2009 Editor Chicago-Kent College of Law J.D. Chicago-Kent Law Review Chicago-Kent College of Law J.D. Recipient Chicago-Kent College of Law J.D. Certificate i (—). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Tianran Yan is a lawyer practicing life sciences, nanotechnology, chemical and 5 other areas of law
  • Tianran received a B.S. degree from Sun Yat-Sen University in China in 2004, and has been licensed for 17 years
  • Tianran practices at Foley & Lardner LLP in Washington, DC

Practice Areas Explained

Tianran Yan's Areas of Practice

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

Patent Law

Tianran Yan is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in District of Columbia →

Intellectual Property

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

Tianran Yan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

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

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about Tianran Yan

Where is Tianran Yan's law office located?
Tianran Yan's law practice is located in Washington, District of Columbia. The firm is Foley & Lardner LLP. You can contact the office directly through this profile page.
What practice areas does Tianran Yan handle?
Tianran Yan focuses on patent, ip. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Tianran Yan practiced law?
Tianran Yan has 17+ years of legal experience and has been licensed since 2009.
Where did Tianran Yan go to law school?
Tianran Yan earned their education at (B.S. Biotechnology, 2004); (—).
How can I contact Tianran Yan for a consultation?
You can contact Tianran Yan 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

B.S. Biotechnology
Sun Yat-Sen University in China
- 2004
Chicago-Kent College of Law J.D. 2009 Editor Chicago-Kent College of Law J.D. Chicago-Kent Law Review Chicago-Kent College of Law J.D. Recipient Chicago-Kent College of Law J.D. Certificate i
- In Progress

Bar Admissions

Illinois
Admitted: 2009
District of Columbia U.S. Patent and Trademark Office
Admitted: 2011

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