Registered patent attorney
Sonja W. Sahlsten
Firm
Finnegan
Address
901 New York Ave., NW
Washington, DC, 20001
US
Phone
Registered as
Registered patent attorney
Other attorneys at Finnegan
- Cory C. BellUSPTO Reg. 75096 · Boston, MA
- Paul William BrowningUSPTO Reg. 77531 · Washington, DC
- Robert Elliott ConverseUSPTO Reg. 27432 · Washington, DC
- Caitlin T CoverstoneUSPTO Reg. 81980 · Washington, DC
- David T. FaurieUSPTO Reg. 81374 · Atlanta, GA
- Martin I FuchsUSPTO Reg. 28508 · Reston, VA
- David Michael KellyUSPTO Reg. 30953 · Washington, DC
- Audrey J ParkerUSPTO Reg. 80702 · Washington, DC
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 Sonja W. Sahlsten
Is Sonja W. Sahlsten a registered patent attorney?
Yes. Sonja W. Sahlsten is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 70927). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Sonja W. Sahlsten located?
Sonja W. Sahlsten's office is in Washington, District of Columbia (20001). Affiliated with Finnegan.
What firm does Sonja W. Sahlsten work at?
Sonja W. Sahlsten is listed as affiliated with Finnegan on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Sonja W. Sahlsten?
Sonja W. Sahlsten's office phone (per the USPTO public roster) is 202-408-4329. 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.