163.160. Assault in the fourth degree
(1) A person commits the crime of assault in the fourth degree if the person:
(a) Intentionally, knowingly or recklessly causes physical injury to another;
(b) With criminal negligence causes physical injury to another by means of a deadly weapon; or
(c) With criminal negligence causes serious physical injury to another who is a vulnerable user of a public way, as defined in ORS 801.608, by means of a motor vehicle.
(2) Assault in the fourth degree is a Class A misdemeanor.
(3) Notwithstanding subsection (2) of this section, assault in the fourth degree under subsection (1)(a) or (b) of this section is a Class C felony if the person commits the crime of assault in the fourth degree and:
(a) The assault is committed in the immediate presence of, or is witnessed by, the person’s or the victim’s minor child or stepchild or a minor child residing within the household of the person or victim;
(b) The person has been previously convicted of violating this section or ORS 163.165, 163.175, 163.185, 163.187 or 163.190, or of committing an equivalent crime in another jurisdiction, and the victim in the previous conviction is the same person who is the victim of the current crime;
(c) The person has at least three previous convictions for violating this section or ORS 163.165, 163.175, 163.185, 163.187 or 163.190 or for committing an equivalent crime in another jurisdiction, in any combination; or
(d) The person commits the assault knowing that the victim is pregnant.
(4) For purposes of subsection (3) of this section, an assault is witnessed if the assault is seen or directly perceived in any other manner by the child.