The secretary of state shall cancel from the register:
No registration shall be canceled after the mark has had substantially exclusive and continuous use by the registrant for five years following the registration of the mark except for the reasons set forth in subdivision 1, clauses (1), (2), and (3) and clause (4), items (i), (ii), and (iv), or unless a mark has been registered in this state before use of registrant's mark or a mark has been registered in the United States Patent and Trademark Office with the publication date of it before the date of use of registrant's mark, which marks when used on or in connection with the goods or services of the respective registrants would be likely to cause confusion, mistake, or deception, or unless the mark is the common descriptive name of any article, substance, or service.
Minn. Stat. § 333.25
1959 c 600 s 8; 1986 c 444; 1998 c 315 s 8