Registered patent attorney
Harry Sprowl ColburnJr
Firm
Harry S. Colburn, Jr. Professional Association
Address
444 W. Dearborn Street
P.O. Box 1865
Englewood, FL, 34295-1865
US
Phone
Registered as
Registered patent attorney
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Frequently asked about Harry Sprowl Colburn
Is Harry Sprowl Colburn a registered patent attorney?
Yes. Harry Sprowl Colburn is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 25485). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Harry Sprowl Colburn located?
Harry Sprowl Colburn's office is in Englewood, Florida (34295-1865). Affiliated with Harry S. Colburn, Jr. Professional Association.
What firm does Harry Sprowl Colburn work at?
Harry Sprowl Colburn is listed as affiliated with Harry S. Colburn, Jr. Professional Association on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Harry Sprowl Colburn?
Harry Sprowl Colburn's office phone (per the USPTO public roster) is 941-475-4600. 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.