Registered patent attorney
Sean D O'Brien
Firm
Miller Nash LLP
Address
111 SW 5th Ave
Suite 3400
Portland, OR, 97204
US
Phone
Registered as
Registered patent attorney
Other attorneys at Miller Nash LLP
Other patent attorneys in Portland, Oregon
- James R AbneyKolisch Hartwell, P.C.
- Adenike Adebola AdebiyiKlarquist Sparkman, LLP
- Mark D AllemanAlleman Hall & Tuttle LLP
- Francisco J AlmeidaKlarquist Sparkman LLP
- Khalid Sami H AlmukhaizeemLewis & Clark Law School
- Abdullah O. AlnajranPortland IP, LLC
- Brian D AltmanBonneville Power Admn
- Douglas G AndersonLeatherman Tool Group, Inc.
Frequently asked
Frequently asked about Sean D O'Brien
Is Sean D O'Brien a registered patent attorney?
Yes. Sean D O'Brien is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 52080). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Sean D O'Brien located?
Sean D O'Brien's office is in Portland, Oregon (97204). Affiliated with Miller Nash LLP.
What firm does Sean D O'Brien work at?
Sean D O'Brien is listed as affiliated with Miller Nash LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Sean D O'Brien?
Sean D O'Brien's office phone (per the USPTO public roster) is 503-224-5858. 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.