Registered patent attorney
Sean A Passino
Firm
Pilloff Passino & Cosenza LLP
Address
2000 Duke Street
Suite 300
Alexandria, VA, 22314
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Alexandria, Virginia
- Russell E AdamsAdams Communications
- Ibrahim A. M. AdenijiUSPTO Reg. 72325
- Tiffany N. AdigweOliff PLC
- Sahil AggarwalUSPTO Reg. 83821
- Nasir U. AhmedMaier and Maier
- Stanislaus AksmanHershkovitz & Associates, LLC
- Edward B AlexanderEBA Law Offices, PLC
- Ryan E. AlleyAlley IP
Frequently asked
Frequently asked about Sean A Passino
Is Sean A Passino a registered patent attorney?
Yes. Sean A Passino is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 45943). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Sean A Passino located?
Sean A Passino's office is in Alexandria, Virginia (22314). Affiliated with Pilloff Passino & Cosenza LLP.
What firm does Sean A Passino work at?
Sean A Passino is listed as affiliated with Pilloff Passino & Cosenza LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Sean A Passino?
Sean A Passino's office phone (per the USPTO public roster) is 202-236-6751. 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.