Registered patent attorney
Kyungsun T. Chang
Firm
Paul, Hastings, Janofsky & Walker LLP
Address
875 15th Street, NW
Washington, DC, 20005
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Kyungsun T. Chang
Is Kyungsun T. Chang a registered patent attorney?
Yes. Kyungsun T. Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 48962). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Kyungsun T. Chang located?
Kyungsun T. Chang's office is in Washington, District of Columbia (20005). Affiliated with Paul, Hastings, Janofsky & Walker LLP.
What firm does Kyungsun T. Chang work at?
Kyungsun T. Chang is listed as affiliated with Paul, Hastings, Janofsky & Walker LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Kyungsun T. Chang?
Kyungsun T. Chang's office phone (per the USPTO public roster) is 202-551-1769. 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.