Registered patent attorney
Joseph Hsiao
Firm
U.S. Department of the Interior
Address
1849 C Street, N.W., Rm. 6443
Washington, DC, 20240
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Joseph Hsiao
Is Joseph Hsiao a registered patent attorney?
Yes. Joseph Hsiao is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 51822). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Joseph Hsiao located?
Joseph Hsiao's office is in Washington, District of Columbia (20240). Affiliated with U.S. Department of the Interior.
What firm does Joseph Hsiao work at?
Joseph Hsiao is listed as affiliated with U.S. Department of the Interior on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Joseph Hsiao?
Joseph Hsiao's office phone (per the USPTO public roster) is 202-219-1651. 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.