Registered patent attorney
John Leonard Young
Firm
Independent Contractor Patent Attorney
Address
3212-21st Street, SE
Washington, DC, 20020-2806
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about John Leonard Young
Is John Leonard Young a registered patent attorney?
Yes. John Leonard Young is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 57150). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John Leonard Young located?
John Leonard Young's office is in Washington, District of Columbia (20020-2806). Affiliated with Independent Contractor Patent Attorney.
What firm does John Leonard Young work at?
John Leonard Young is listed as affiliated with Independent Contractor Patent Attorney on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John Leonard Young?
John Leonard Young's office phone (per the USPTO public roster) is 202-426-2400. 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.