Oregon Revised Statutes Trade Regulations and Practices § 647.024

(1) The Secretary of State by rule may establish classes of goods and services for convenience in the administration of this chapter. The classes that the Secretary of State establishes may not limit or extend an applicant's or registrant's rights and shall conform to the classes the United States Patent and Trademark Office has adopted to the extent practicable.

(2) A single application to register a mark may include any or all goods or services on or in connection with which the mark is actually being used.

(3) If an application includes more than one class, the Secretary of State may collect a fee under ORS 56.140 for each class.