ZIP 20001

Patent attorneys in ZIP code 20001 · District of Columbia

ZIP code 20001 in District of Columbia has 381 USPTO-registered patent practitioners listed at addresses inside the ZIP. Every practitioner shown holds an active license to practice before the US Patent and Trademark Office. Local offices include Finnegan, Henderson, Farabow, Garrett & Dunner, LLP and Venable LLP.

All practitioners

Richard Wydeven

Reg. 39881

Patent attorney

Rothwell, Figg, Ernst & Manbeck, PC

Washington, DC · 20001

202-783-6040

Fusheng Xu

Reg. 72187

Patent agent

Venable LLP

Washingtom, DC · 20001

202-344-4000

Xinsong Xu

Reg. 70754

Patent attorney

Arnold & Porter Kaye Scholer LLP

Washington, DC · 20001-3743

202-942-5931

Yanbin Xu

Reg. 65418

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Washington, DC · 20001

202-408-6011

Stephen K Yam

Reg. 64927

Patent attorney

Venable LLP

Washington, DC · 20001

202-721-5429

Ji Hye Yang

Reg. 79103

Patent attorney

Finnegan, Henderson, Farabow, Garrett

Washington, DC · 20001

202-408-4465

Min Yang

Reg. 78149

Patent agent

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001

202-408-4163

Chiyat B Yau

Reg. 71330

Patent agent

McDermott Will & Emery

Washington, DC · 20001

202-756-8006

Jihwang Yeo

Reg. 63045

Patent agent

McDermott, Will & Emery LLP

Washington, DC · 20001

202-756-8181

Shannon G. Yi

Reg. 79293

Patent attorney

Finnegan Henderson Farabow Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4310

Qingyu Yin

Reg. 61329

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4213

Edward R Yoches

Reg. 30120

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4039

Kristin L Yohannan

Reg. 38665

Patent attorney

Cadwalader, Wickersham & Tapt

Washington, DC · 20001

202-862-2275

Naoki Yoshida

Reg. 48108

Patent attorney

Finnegan, Henderson, Farabow, Garrett & Dunner, LLP

Washington, DC · 20001-4413

202-408-4000

Christopher J. Young· Jr

Reg. 81055

Patent agent

Washington, DC · 20001

301-875-3285

Shanzhong Yuan

Reg. 77035

Patent attorney

Nixon Peabody LLP

Washington, DC · 20001-5327

202-585-8605

Chen Zang

Reg. 81568

Patent attorney

Finnegan, Henderson, Farabow, Garrett

Washington, DC · 20001-4413

202-408-4000

Robert W Zelnick

Reg. 36976

Patent attorney

McDermott Will & Emery LLP

Washington, DC · 20001

202-756-8000

Yongmei Zhang

Reg. 67724

Patent agent

Washington, DC · 20001-3743

202-942-5003

Hang Zheng

Reg. 73464

Patent attorney

Nixon Peabody LLP

Washington, DC · 20001

202-585-8307

Azaad O. Zimmermann

Reg. 81641

Patent attorney

Kirkland & Ellis LLP

Washington, DC · 20001

202-389-3341

Common questions

Do patent attorneys in ZIP 20001 cost more than the national average?

Patent attorney fees vary primarily by experience and complexity of the invention, not by city. A typical provisional patent application in the US runs $1,500 to $5,000; a non-provisional utility filing runs $5,000 to $15,000. Hourly rates in ZIP 20001 tend to track the broader District of Columbia legal market.

How many USPTO practitioners list a ZIP 20001 office?

381 USPTO-registered patent practitioners list a ZIP 20001 mailing address on the OEDCI roster. You can sort by firm size and contact each directly using the phone numbers shown.

Can I work with a ZIP 20001 practitioner remotely?

Yes. All filings happen through USPTO's electronic Patent Center — no in-person presence is required. A ZIP 20001-based practitioner is convenient for local inventor signings and in-person meetings but not a requirement for representation.