Is Haohui Duan a registered patent attorney?

Haohui Duan is registered with the United States Patent and Trademark Office under Registration Number 800172 as a USPTO-registered practitioner.

Where is Haohui Duan located?

Haohui Duan's office is in Boston, Massachusetts (02110). Affiliated with Jones Day.

What firm does Haohui Duan work at?

Haohui Duan is listed as affiliated with Jones Day on the USPTO Office of Enrollment and Discipline practitioner roster.

How do I contact Haohui Duan?

Haohui Duan's office phone (per the USPTO public roster) is 617-449-6818. 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.

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Limited recognition

Haohui Duan

USPTO Reg. 800172

Firm

Jones Day

Address

680 Atlantic Avenue

Suite 2400

Boston, MA, 02110

Phone

617-449-6818

Registered as

Limited recognition

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Frequently asked

Frequently asked about Haohui Duan

Is Haohui Duan a registered patent attorney?
Haohui Duan is registered with the United States Patent and Trademark Office under Registration Number 800172 as a USPTO-registered practitioner.
Where is Haohui Duan located?
Haohui Duan's office is in Boston, Massachusetts (02110). Affiliated with Jones Day.
What firm does Haohui Duan work at?
Haohui Duan is listed as affiliated with Jones Day on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Haohui Duan?
Haohui Duan's office phone (per the USPTO public roster) is 617-449-6818. 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.