Registered patent attorney
Carl B Dietz
Firm
Duncan, Green, Brown, & Langeness
Address
400 Locust
Suite 380
Des Moines, IA, 50309
US
Phone
Registered as
Registered patent attorney
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Frequently asked
Frequently asked about Carl B Dietz
Is Carl B Dietz a registered patent attorney?
Yes. Carl B Dietz is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 73143). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Carl B Dietz located?
Carl B Dietz's office is in Des Moines, Iowa (50309). Affiliated with Duncan, Green, Brown, & Langeness.
What firm does Carl B Dietz work at?
Carl B Dietz is listed as affiliated with Duncan, Green, Brown, & Langeness on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Carl B Dietz?
Carl B Dietz's office phone (per the USPTO public roster) is 515-218-9303. 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.