(a) No person shall knowingly cause or attempt to cause physical harm to a family or household member.
(b) No person shall recklessly cause serious physical harm to a family or household member.
(c) No person, by threat of force, shall knowingly cause a family or household member to believe that the offender will cause imminent physical harm to the family or household member.
(d) As used in this section:
(1) “Family or household member” means any of the following:
A. Any of the following who is residing or has resided with the offender:
1. A spouse, a person living as a spouse as defined below, or a former spouse of the offender;
2. A parent or a child of the offender, or another person related by consanguinity or affinity to the offender;
3. A parent, or a child of a spouse, person living as a spouse, or former spouse of the offender, or another person related by consanguinity or affinity to a spouse, person living as a spouse or former spouse of the offender.
B. The natural parent of any child of whom the offender is the other natural parent or is the putative other natural parent.
(2) “Person living as a spouse” means a person who is living or has lived with the offender in a common law marital relationship, who otherwise is cohabiting with the offender, or who otherwise has cohabited with the offender within five years prior to the date of the alleged commission of the act in question.
(e) Whoever violates this section is guilty of domestic violence. Except as otherwise provided in this division, a violation of division (a) or (b) of this section is a misdemeanor of the first degree. A violation of division (c) of this section is a misdemeanor of the fourth degree. If the offender previously has pleaded guilty to or been convicted of domestic violence, of a violation of a municipal ordinance that is substantially equivalent to domestic violence, of a violation of Section 537.03, 537.051, 541.051 of the General Offenses Code or R.C. § 2903.11, 2903.12, 2903.13, 2903.14, 2903.21, 2903.211, 2903.22, 2911.211, or 2919.22 involving a person who was a family or household member at the time of the violation, or of a violation of a municipal ordinance, a law of the United States or of any other state, or a municipal ordinance of a municipal corporation located in any other state that is substantially equivalent to one of those sections involving a person who was a family or household member at the time of the violation, a violation of division (b) or (c) is a felony to be prosecuted under appropriate State law. A violation of division (d) is a misdemeanor of the third degree.