Registered patent attorney
Mark J Sullivan
Firm
Stein IP LLC
Address
1990 M Street N.W.
Suite 610
Washington, DC, 20036
US
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Mark J Sullivan
Is Mark J Sullivan a registered patent attorney?
Yes. Mark J Sullivan is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 54478). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Mark J Sullivan located?
Mark J Sullivan's office is in Washington, District of Columbia (20036). Affiliated with Stein IP LLC.
What firm does Mark J Sullivan work at?
Mark J Sullivan is listed as affiliated with Stein IP LLC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Mark J Sullivan?
Mark J Sullivan's office phone (per the USPTO public roster) is 202-216-9505 EXT. 1105. 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.