Registered patent agent
Yichen Liu
Firm
Foley & Lardner, LLP
Address
3000 K Street, Northwest
Washington, DC, 20007
US
Phone
Registered as
Registered patent agent
Other attorneys at Foley & Lardner, LLP
- Lisamarie A CollinsUSPTO Reg. 71955 · Madison, WI
- Jolene S FernandesUSPTO Reg. 73897 · Boston, MA
- Blake L HoltUSPTO Reg. 78639 · San Diego, CA
- Bradley M KrulUSPTO Reg. 68709 · Detroit, MI
- Alice Lee-DutraUSPTO Reg. 70073 · San Diego, CA
- Sandy MaUSPTO Reg. 71510 · San Diego, CA
- Charles E MaurerUSPTO Reg. 76658 · Chicago, IL
- Richard Jones McKennaUSPTO Reg. 35610 · Milwaukee, WI
Other patent attorneys in Washington, District of Columbia
- Alisa S AbbottBanner Witcoff
- Ahmed Abdel-RahmanPillsbury Winthrop Shaw Pittman LLP
- Margaret A AbernathyBaker & Hostetler LLP
- Michael T. AbramsonJordan IP Law
- Khadija Abdulkadir AbuHoward University School of Law
- Deepa AcharyaQuinn Emanuel UrQuhart & Sullivan LLP
- Canek AcostaMayer Brown LLP
- Stephanie N. AdamakosPaul Hastings LLP
Frequently asked
Frequently asked about Yichen Liu
Is Yichen Liu a registered patent attorney?
Yichen Liu is a registered patent agent (USPTO Registration Number 72587). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Yichen Liu located?
Yichen Liu's office is in Washington, District of Columbia (20007). Affiliated with Foley & Lardner, LLP.
What firm does Yichen Liu work at?
Yichen Liu is listed as affiliated with Foley & Lardner, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Yichen Liu?
Yichen Liu's office phone (per the USPTO public roster) is 202-295-4061. Verify availability and intake details directly with the firm before sending privileged materials.
Should I prepare anything before contacting a patent attorney?
Yes — most patent attorneys quote based on a brief. Persoona's intellectual property module generates a prior-art analysis, defensibility scorecard, and a draft USPTO filing package so you arrive with a brief, not a blank slate. Free to run.
Profile sourced from the USPTO OEDCI Practitioner Roster. Persoona did not provide, edit, or curate this data — every field is pulled directly from the public roster.