Registered patent attorney
Mark K Johnson
Address
3900 Franklin Avenue
Western Springs, IL, 60558
US
Phone
Registered as
Registered patent attorney
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Frequently asked about Mark K Johnson
Is Mark K Johnson a registered patent attorney?
Yes. Mark K Johnson is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 39719). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Mark K Johnson located?
Mark K Johnson's office is in Western Springs, Illinois (60558).
How do I contact Mark K Johnson?
Mark K Johnson's office phone (per the USPTO public roster) is 708-214-8644. 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.