2017 ORS 30.600¹
Action to annul letters patent

An action may be maintained in the name of the state for the purpose of vacating or annulling letters patent, issued by the state, against the person to whom the letters were issued, or those claiming under the person, as to the subject matter thereof, in the following cases:

(1) When the letters patent were issued by means of some fraudulent suggestion or concealment of a material fact by the person to whom the letters were issued, or with the knowledge and consent of the person;

(2) When the letters patent were issued through mistake or in ignorance of a material fact; or

(3) When the patentee, or those claiming under the patentee, have done or omitted an act, in violation of the terms and conditions on which the letters patent were issued, or have by any other means forfeited the interest acquired under the letters. [Amended by 2001 c.104 §8]

1 Legislative Counsel Committee, CHAPTER 30—Actions and Suits in Particular Cases, https://­www.­oregonlegislature.­gov/­bills_laws/­ors/­ors030.­html (2017) (last ac­cessed Mar. 30, 2018).
2 Legislative Counsel Committee, Annotations to the Oregon Revised Stat­utes, Cumulative Supplement - 2017, Chapter 30, https://­www.­oregonlegislature.­gov/­bills_laws/­ors/­ano030.­html (2017) (last ac­cessed Mar. 30, 2018).
3 OregonLaws.org assembles these lists by analyzing references between Sections. Each listed item refers back to the current Section in its own text. The result reveals relationships in the code that may not have otherwise been apparent.