Registered patent attorney
James G DeRouin
Firm
Klarquist Sparkman, LLP
Address
121 SW Salmon St.
Suite 1600
Portland, OR, 97204
US
Phone
Registered as
Registered patent attorney
Other attorneys at Klarquist Sparkman, LLP
- Adenike Adebola AdebiyiUSPTO Reg. 42254 · Portland, OR
- Ann C. BernertUSPTO Reg. 79168 · Portland, OR
- Patrick M BibleUSPTO Reg. 44423 · Portland, OR
- Steven J BurgessUSPTO Reg. 71428 · Portland, OR
- Lisa M CaldwellUSPTO Reg. 41653 · Portland, OR
- Jodi L ConnollyUSPTO Reg. 54044 · Portland, OR
- Scott E. DavisUSPTO Reg. 82955 · Portland, OR
- Ryan Andexer FarmerUSPTO Reg. 75527 · Portland, OR
Other patent attorneys in Portland, Oregon
- James R AbneyKolisch Hartwell, P.C.
- 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.
- Vincent H AndersonCompass IP Law PC
Frequently asked
Frequently asked about James G DeRouin
Is James G DeRouin a registered patent attorney?
Yes. James G DeRouin is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 71450). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is James G DeRouin located?
James G DeRouin's office is in Portland, Oregon (97204). Affiliated with Klarquist Sparkman, LLP.
What firm does James G DeRouin work at?
James G DeRouin is listed as affiliated with Klarquist Sparkman, LLP on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact James G DeRouin?
James G DeRouin's office phone (per the USPTO public roster) is 503-473-0934. 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.