Registered patent agent
Heng-Chia Chang
Firm
Maxxfom, Inc.
Address
75 Shadywood
Irvine, CA, 92620
US
Phone
Registered as
Registered patent agent
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Frequently asked
Frequently asked about Heng-Chia Chang
Is Heng-Chia Chang a registered patent attorney?
Heng-Chia Chang is a registered patent agent (USPTO Registration Number 78035). Patent agents can prepare and file patent applications but cannot give legal advice on infringement; for legal counsel, look for an attorney.
Where is Heng-Chia Chang located?
Heng-Chia Chang's office is in Irvine, California (92620). Affiliated with Maxxfom, Inc..
What firm does Heng-Chia Chang work at?
Heng-Chia Chang is listed as affiliated with Maxxfom, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Heng-Chia Chang?
Heng-Chia Chang's office phone (per the USPTO public roster) is 510-449-8901. 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.