Registered patent attorney
Duane Arthur StewartIII
Firm
Buchanan Ingersoll & Rooney PC
Address
Union Trust Building
501 Grant Street, Suite 200
Pittsburgh, PA, 15219-1410
US
Phone
Registered as
Registered patent attorney
Other patent attorneys in Pittsburgh, Pennsylvania
- Daniel C AbelesEckert Seamans Cherin & Mellott, LLC
- Gwendolyn R Acker-WoodAcker Wood Intellectual Property Law LLC
- John M AdamsPrice & Adams, P.C.
- Gunjan AgarwalEaton Corporation
- Brij K AgarwalEckert Seamans Cherin & Mellott, LLC
- Godfried R AkorliUSPTO Reg. 28779
- Michael Paul AlexanderUSPTO Reg. 50961
- Ali H AllawiArgo AI
Frequently asked
Frequently asked about Duane Arthur Stewart
Is Duane Arthur Stewart a registered patent attorney?
Yes. Duane Arthur Stewart is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 54468). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Duane Arthur Stewart located?
Duane Arthur Stewart's office is in Pittsburgh, Pennsylvania (15219-1410). Affiliated with Buchanan Ingersoll & Rooney PC.
What firm does Duane Arthur Stewart work at?
Duane Arthur Stewart is listed as affiliated with Buchanan Ingersoll & Rooney PC on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Duane Arthur Stewart?
Duane Arthur Stewart's office phone (per the USPTO public roster) is 412-562-1622. 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.