Registered patent attorney
Zhihua Han
Address
7710 80th Place SE
Mercer Island, WA, 98040
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Zhihua Han
Is Zhihua Han a registered patent attorney?
Yes. Zhihua Han is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 71759). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Zhihua Han located?
Zhihua Han's office is in Mercer Island, Washington (98040).
How do I contact Zhihua Han?
Zhihua Han's office phone (per the USPTO public roster) is 206-973-6936. 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.