Registered patent attorney
David R Yohannan
Firm
Quarles & Brady LLP
Address
1701 Pennsylvania Avenue, NW
Washington, DC, 20006
US
Phone
Registered as
Registered patent attorney
Other attorneys at Quarles & Brady LLP
- James J AquilinaUSPTO Reg. 63550 · Washington, DC
- Angeline Rose BabelUSPTO Reg. 60886 · Milwaukee, WI
- Jean C BakerUSPTO Reg. 35433 · Milwaukee, WI
- Mason R. BaranczykUSPTO Reg. 81924 · Milwaukee, WI
- Bennett J BersonUSPTO Reg. 37094 · Madison, WI
- Noah K. BlueUSPTO Reg. 82072 · Milwaukee, WI
- Lauren C. BolcarUSPTO Reg. 68994 · Washington, DC
- Gregory R. ChurneyUSPTO Reg. 78923 · Chicago, IL
Other patent attorneys in Washington, District of Columbia
- Alisa S AbbottBanner Witcoff
- Ahmed Abdel-RahmanPillsbury Winthrop Shaw Pittman LLP
- Margaret A AbernathyBaker & Hostetler LLP
- Michael T. AbramsonJordan IP Law
- Khadija Abdulkadir AbuHoward University School of Law
- Deepa AcharyaQuinn Emanuel UrQuhart & Sullivan LLP
- Canek AcostaMayer Brown LLP
- Stephanie N. AdamakosPaul Hastings LLP
Frequently asked
Frequently asked about David R Yohannan
Is David R Yohannan a registered patent attorney?
Yes. David R Yohannan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 37480). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is David R Yohannan located?
David R Yohannan's office is in Washington, District of Columbia (20006). Affiliated with Quarles & Brady LLP.
What firm does David R Yohannan work at?
David R Yohannan is listed as affiliated with Quarles & Brady LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact David R Yohannan?
David R Yohannan's office phone (per the USPTO public roster) is 202-780-2637. 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.