A legal separation is similar to a divorce except the marriage is not terminated. [See R.C. 3105.17 complaint for legal separation]
An annulment is where one of the parties is trying to prove that the marriage is void and should not be recognized as a marriage. To be entitled to an annulment the party will need to prove grounds which include: the party was underage, one of the parties was already married, mental incompetence, consent was obtained by force or the marriage was not consummated. [See 3105.31 grounds for annulment]
A domestic violence case is a proceeding seeking protection where a household member has either threatened or committed an act of violence against another household member. Ohio Revised Code Section 3113.31 provides protection from domestic violence, which is defined as the occurrence of one or more of the following acts against a family or household member:
(iii) The harm likely to be caused by a change of environment is outweighed by the advantages of the change of environment to the child.