Short answer. The Secretary of State's Corporation Division, for individuals using a name other than their real name and for corporations and LLCs using a name other than their registered one. Lasts two years; renew every two years to keep the name.
At a glance
- Called
- assumed business name (ABN)
- Where to file
- State office
- Filing fee
- $50 for a new registration.
- Local fees vary
- No local filing
- How long it lasts
- 2 years
- Online filing
- The instructions link to registering a business online; a PDF form is also available.
Renewal, with dates
Lasts two years; renew every two years to keep the name.
For a registration filed on Sunday, November 8, 2026:
- Sole proprietor or partnership: expires Wednesday, November 8, 2028
Your own date: open the calculator set to Oregon.
Before you file
If you don't renew, the name becomes available to another business.
Not stated on the pages we read: a newspaper notice.
Official sources
- Oregon Secretary of State: Assumed business name guide (checked November 2026)
- Oregon Secretary of State: ABN new registration instructions (checked November 2026)
- Oregon Business Registry fee schedule (checked November 2026)
- Oregon license directory: Assumed business name (checked November 2026)
General information, not legal advice; we are not lawyers. Checked November 2026 against the pages above. Fees and forms change, and a county or town office can add its own steps, so confirm with the filing office before you file. We don't file DBAs or trade names for anyone.
Questions people ask
Where is a DBA filed in Oregon?
It's called a assumed business name (ABN). The Secretary of State's Corporation Division, for individuals using a name other than their real name and for corporations and LLCs using a name other than their registered one.
What does it cost to register a business name in Oregon?
$50 for a new registration.
How long does a Oregon assumed business name last?
Lasts two years; renew every two years to keep the name.
Can the filing be done online in Oregon?
The instructions link to registering a business online; a PDF form is also available.
Anything else to know before filing in Oregon?
If you don't renew, the name becomes available to another business.
All states: DBA registration by state · Nebraska · Pennsylvania