Registered patent attorney
William M Chang
Firm
Riot Games, Inc.
Address
12333 W. Olympic Blvd.
Los Angeles, CA, 90064
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about William M Chang
Is William M Chang a registered patent attorney?
Yes. William M Chang is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 61191). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is William M Chang located?
William M Chang's office is in Los Angeles, California (90064). Affiliated with Riot Games, Inc..
What firm does William M Chang work at?
William M Chang is listed as affiliated with Riot Games, Inc. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact William M Chang?
William M Chang's office phone (per the USPTO public roster) is 424-231-1111. 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.