Registered patent attorney
Giang T. Tonthat
Firm
Addvci Mastriani & Schaumberg LLP
Address
1133 Connecticut Avenue NW
Suite 1200
Washington, DC, 20036
US
Phone
Registered as
Registered patent attorney
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 Giang T. Tonthat
Is Giang T. Tonthat a registered patent attorney?
Yes. Giang T. Tonthat is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 73131). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Giang T. Tonthat located?
Giang T. Tonthat's office is in Washington, District of Columbia (20036). Affiliated with Addvci Mastriani & Schaumberg LLP.
What firm does Giang T. Tonthat work at?
Giang T. Tonthat is listed as affiliated with Addvci Mastriani & Schaumberg LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Giang T. Tonthat?
Giang T. Tonthat's office phone (per the USPTO public roster) is 202-467-6300. 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.