Registered patent attorney
Timothy D Cheng
Address
501 L Street, N.E.
Washington, DC, 20002
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Timothy D Cheng
Is Timothy D Cheng a registered patent attorney?
Yes. Timothy D Cheng is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 64472). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Timothy D Cheng located?
Timothy D Cheng's office is in Washington, District of Columbia (20002).
How do I contact Timothy D Cheng?
Timothy D Cheng's office phone (per the USPTO public roster) is 412-334-2394. 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.