163.185. Assault in the first degree
(1) A person commits the crime of assault in the first degree if the person:
(a) Intentionally causes serious physical injury to another by means of a deadly or dangerous weapon;
(b) Intentionally or knowingly causes serious physical injury to a child under six years of age;
(c) Violates ORS 163.175 knowing that the victim is pregnant; or
(d) Intentionally, knowingly or recklessly causes serious physical injury to another while operating a motor vehicle under the influence of intoxicants in violation of ORS 813.010 and:
(A) In the 10 years prior to the date of the current offense the person has been convicted of at least three of any of the following offenses in any combination:
(i) Driving under the influence of intoxicants in violation of ORS 813.010, or its statutory counterpart in another jurisdiction;
(ii) A driving under the influence of intoxicants offense in another jurisdiction that involved the impaired driving or operation of a vehicle, an aircraft or a boat due to the use of intoxicating liquor, cannabis, a controlled substance, an inhalant or any combination thereof; or
(iii) An offense in another jurisdiction that involved driving or operating a vehicle, an aircraft or a boat while having a blood alcohol content above that jurisdiction’s permissible blood alcohol content; or
(B)(i) The person has a previous conviction for any of the crimes described in subsection (2) of this section, or their statutory counterparts in any jurisdiction; and
(ii) The victim’s death or serious physical injury in the previous conviction was caused by the person driving a motor vehicle.
(2) The previous convictions to which subsection (1)(d)(B) of this section apply are:
(a) Manslaughter in the first degree under ORS 163.118;
(b) Manslaughter in the second degree under ORS 163.125;
(c) Criminally negligent homicide under ORS 163.145;
(d) Assault in the first degree under this section;
(e) Assault in the second degree under ORS 163.175; or
(f) Assault in the third degree under ORS 163.165.
(3) Assault in the first degree is a Class A felony.(4) It is an affirmative defense to a prosecution under subsection (1)(d)(B) of this section that the defendant was not under the influence of intoxicants at the time of the conduct that resulted in the previous conviction.