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Registered patent agent
Hefeng Su
Firm
Crowell & Moring LLP
Address
600 Fifth St NW
Washington, DC, 20001
US
Phone
Registered as
Registered patent agent
Other attorneys at Crowell & Moring LLP
- Jacob C BachmanUSPTO Reg. 61906 · Chicago, IL
- Yixin BaoUSPTO Reg. 800121 · Chicago, IL
- Scott W BrimUSPTO Reg. 51500 · Washington, DC
- Gang ChenUSPTO Reg. 68754 · Chicago, IL
- Jun ChengUSPTO Reg. 75406 · Chicago, IL
- Isaac R ClarkUSPTO Reg. 54572 · Washington, DC
- Douglas M. CrockattUSPTO Reg. 74366 · New York, NY
- William H FrankelUSPTO Reg. 30337 · Chicago, IL
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 Hefeng Su
Is Hefeng Su a registered patent attorney?
Hefeng Su is a registered patent agent (USPTO Registration Number 84795). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Hefeng Su located?
Hefeng Su's office is in Washington, District of Columbia (20001). Affiliated with Crowell & Moring LLP.
What firm does Hefeng Su work at?
Hefeng Su is listed as affiliated with Crowell & Moring LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Hefeng Su?
Hefeng Su's office phone (per the USPTO public roster) is 202-624-2500. 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.