Registered patent agent
Chang Su Lim
Firm
Regulatory Doctor
Address
P.O. Box 148
Riner, VA, 24149
US
Phone
Registered as
Registered patent agent
Frequently asked
Frequently asked about Chang Su Lim
Is Chang Su Lim a registered patent attorney?
Chang Su Lim is a registered patent agent (USPTO Registration Number 60094). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Chang Su Lim located?
Chang Su Lim's office is in Riner, Virginia (24149). Affiliated with Regulatory Doctor.
What firm does Chang Su Lim work at?
Chang Su Lim is listed as affiliated with Regulatory Doctor on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Chang Su Lim?
Chang Su Lim's office phone (per the USPTO public roster) is 800-321-8567. 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.