Registered patent attorney
Donald B Haslett
Firm
Chernoff, Vilhauer, McClung & Stenzel, L.L.P.
Address
601 SW Second Ave
Suite 1600
Portland, OR, 97204
US
Phone
Registered as
Registered patent attorney
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- Francisco J AlmeidaKlarquist Sparkman LLP
- Khalid Sami H AlmukhaizeemLewis & Clark Law School
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Frequently asked
Frequently asked about Donald B Haslett
Is Donald B Haslett a registered patent attorney?
Yes. Donald B Haslett is a registered patent attorney with the United States Patent and Trademark Office (USPTO Registration Number 28855). Registration is verified against the USPTO Office of Enrollment and Discipline roster.
Where is Donald B Haslett located?
Donald B Haslett's office is in Portland, Oregon (97204). Affiliated with Chernoff, Vilhauer, McClung & Stenzel, L.L.P..
What firm does Donald B Haslett work at?
Donald B Haslett is listed as affiliated with Chernoff, Vilhauer, McClung & Stenzel, L.L.P. on the USPTO Office of Enrollment and Discipline practitioner roster.
How do I contact Donald B Haslett?
Donald B Haslett's office phone (per the USPTO public roster) is 503-227-5631. 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.