Registered patent attorney
John W Harbst
Firm
Law Office Of John W Harbst
Address
1180 Litchfield Ln
Bartlett, IL, 60103
US
Phone
Registered as
Registered patent attorney
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Frequently asked about John W Harbst
Is John W Harbst a registered patent attorney?
Yes. John W Harbst is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 28018). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is John W Harbst located?
John W Harbst's office is in Bartlett, Illinois (60103). Affiliated with Law Office Of John W Harbst.
What firm does John W Harbst work at?
John W Harbst is listed as affiliated with Law Office Of John W Harbst on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact John W Harbst?
John W Harbst's office phone (per the USPTO public roster) is 630-289-4839. 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.