Registered patent attorney
David J Cho
Firm
Ballard Spahr LLP
Address
1909 K Street, NW
12th Floor
Washington DC, DC, 20006
US
Phone
Registered as
Registered patent attorney
Other attorneys at Ballard Spahr LLP
- Erin E. BlasbergUSPTO Reg. 82174 · Atlanta, GA
- Caryn C Borg-BreenUSPTO Reg. 52637 · Philadelphia, PA
- Darjush M BoushehriUSPTO Reg. 73139 · Atlanta, GA
- Margaret B BrivanlouUSPTO Reg. 40922 · New York, NY
- Kyle Andrew CeuninckUSPTO Reg. 75379 · Atlanta, FL
- John A ChionchioUSPTO Reg. 40954 · Philadelphia, PA
- Rebecca J. ConwayUSPTO Reg. 84248 · Philadelphia, PA
- Kean J DeCarloUSPTO Reg. 39956 · Atlanta, GA
Other patent attorneys in Washington DC, District of Columbia
- Dylan H. BechtleUSPTO Reg. 77597
- Jonathan B. BurnsGoogle LLC
- Gabriel DanielGabriel Daniel
- Arush G. GadkarKilpatrick Townsend & Stockton LLP
- Harry J GuttmanArrigo, Lee, Guttman & Mouta-Bellum LLP
- Eunjean JeMorgan Lewis
- Aaron M JohnsonUSPTO Reg. 66945
- Noah Mingyu KimSughrue Mion PLLC
Frequently asked
Frequently asked about David J Cho
Is David J Cho a registered patent attorney?
Yes. David J Cho is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 48078). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David J Cho located?
David J Cho's office is in Washington DC, District of Columbia (20006). Affiliated with Ballard Spahr LLP.
What firm does David J Cho work at?
David J Cho is listed as affiliated with Ballard Spahr LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David J Cho?
David J Cho's office phone (per the USPTO public roster) is 202-661-2283. 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.