Assumed-Name (DBA) Registration Requirements in Oklahoma

At a glance

Requirements one by one

File the trade-name report with the Secretary of State

Okla. Stat. tit. 18, § 1140 uses a direct trigger: a corporation or other business entity doing Oklahoma business under any name other than its legal name “shall file a report with the Secretary of State.” The definition reaches corporations, LLCs, business and common-law trusts, partnerships, and any other unincorporated business.

The report states the legal name, jurisdiction of organization, trade name, a brief description of the business, and the address where business will be carried on. An authorized representative signs. The statute gives no delayed filing window measured from the first day of use.

Pay the $25 report fee

Okla. Stat. tit. 18, § 1142(A)(1) charges $25 for a report or other paper required to be filed in the Secretary of State's office. The trade-name report is such a required report. There is no county filing in the general trade-name provisions and no newspaper-publication expense required by them.

Update or withdraw the report when specified

The statute sets no fixed expiration date or renewal cycle. Instead, § 1140.3 requires an amendment for a false or erroneous statement, a change in the kind of business, or a changed or additional operating address. Section 1140.1 requires a withdrawal report when the entity ceases doing Oklahoma business under the trade name.

The registry blocks indistinguishable filed names

Section 1140 requires the selected trade name to be distinguishable from the listed entity, foreign-entity, trade, fictitious, and reserved names on the Secretary of State's records. Section 1141 directs the office not to accept the same or an indistinguishable name unless an exception such as written consent or a court decree applies. That is registry-level name protection; the filing does not replace a trademark analysis.

What trips people up

• There is no newspaper step. The governing provisions require a state report, not a two-week publication or publisher's affidavit.
• There is no five-year renewal. The statutory maintenance events are amendment, transfer, and withdrawal, not periodic renewal.
• The filing office is statewide. The general report goes to the Secretary of State, not a county court clerk.
• The statute states no special nonfiling remedy. The audited trade-name sequence supplies the duty and fee but no specific fine, jail term, civil penalty, or suit bar for failing to file.

Common questions

Does this cover a sole proprietorship? Section 1140 defines business entity to include “any unincorporated business,” so an individual operating such a business under a nonlegal trade name falls within the stated category.

Must the name be different from names already filed? Yes. The name must be distinguishable on the Secretary of State's records, subject to the consent and court-decree exceptions in § 1141.

What changes require an amendment? Correct a false or erroneous statement, and amend for a change in the kind of business or a changed or additional business address.

Statutes and sources

• Okla. Stat. tit. 18, § 1140 — statewide filing trigger, report contents, covered business entities, and distinguishability. Official text (accessed 2026-07-25).
• Okla. Stat. tit. 18, §§ 1140.1 and 1140.3 — withdrawal and required amendments. Withdrawal (accessed 2026-07-25).
• Okla. Stat. tit. 18, § 1141 — rejection of the same or an indistinguishable filed name and exceptions. Official text (accessed 2026-07-25).
• Okla. Stat. tit. 18, § 1142(A)(1) — $25 required-report filing fee. Official text (accessed 2026-07-25).
• Oklahoma Legislature Title 18 PDF — full statutory sequence audited for publication, term, renewal, and nonfiling consequences. Official title (accessed 2026-07-25).