Registered patent attorney
Donald Lee Dennison
Firm
Butzel Long
Address
1909 K Street NW
Suite 500
Washington, DC, 20006
US
Phone
Registered as
Registered patent attorney
Other attorneys at Butzel Long
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- Michael T. AbramsonJordan IP Law
- Khadija Abdulkadir AbuHoward University School of Law
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Frequently asked
Frequently asked about Donald Lee Dennison
Is Donald Lee Dennison a registered patent attorney?
Yes. Donald Lee Dennison is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 19920). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Donald Lee Dennison located?
Donald Lee Dennison's office is in Washington, District of Columbia (20006). Affiliated with Butzel Long.
What firm does Donald Lee Dennison work at?
Donald Lee Dennison is listed as affiliated with Butzel Long on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Donald Lee Dennison?
Donald Lee Dennison's office phone (per the USPTO public roster) is 202-454-2877. 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.