Registered patent attorney
William C Grabarek
Address
P O Box 8022
443 W Pierce St
Elburn, IL, 60119-8022
US
Phone
Registered as
Registered patent attorney
Frequently asked
Frequently asked about William C Grabarek
Is William C Grabarek a registered patent attorney?
Yes. William C Grabarek is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 29923). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is William C Grabarek located?
William C Grabarek's office is in Elburn, Illinois (60119-8022).
How do I contact William C Grabarek?
William C Grabarek's office phone (per the USPTO public roster) is 630-253-7555. 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.