Registered patent agent
Yean-Hsi Chang
Address
10620 Floral Park Lane
North Potomac, MD, 20878
US
Phone
Registered as
Registered patent agent
Other patent attorneys in North Potomac, Maryland
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Frequently asked
Frequently asked about Yean-Hsi Chang
Is Yean-Hsi Chang a registered patent attorney?
Yean-Hsi Chang is a registered patent agent (USPTO Registration Number 61463). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Yean-Hsi Chang located?
Yean-Hsi Chang's office is in North Potomac, Maryland (20878).
How do I contact Yean-Hsi Chang?
Yean-Hsi Chang's office phone (per the USPTO public roster) is 301-762-4817. 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.