Registered patent attorney
David C Liu
Firm
Toppoly Optoelectronics Corp.
Address
No. 12 Ke Jung Rd.
Science Based Industrial Park, Chunan 350
Miao-Li County
TW
Phone
Registered as
Registered patent attorney
Frequently asked
Frequently asked about David C Liu
Is David C Liu a registered patent attorney?
Yes. David C Liu is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 43755). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
What firm does David C Liu work at?
David C Liu is listed as affiliated with Toppoly Optoelectronics Corp. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David C Liu?
David C Liu's office phone (per the USPTO public roster) is 886-375-86393 X 1005. 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.