A person who assaults an individual without a weapon and inflicts serious or aggravated injury upon that individual without intending to commit murder Charged with assault?Contact our Michigan criminal defense attorneys for help and a free consultation about your Michigan assault case. Actual injury is not necessary, but if there was an injury, it may be considered evidence in deciding whether the defendant intended to cause great bodily harm. Assault with Intent to Do Great Bodily Harm (otherwise known as Assault GBH) is a felony offense carrying up to 10 years in prison and 5 years of probation. Assault in Michigan is defined as an attempt to cause physical injury to another person. You'll need an experienced and knowledgeable criminal defense attorney on your side. Assault crimes involve the intentional, non-accidental, use of force or the threat of force, without consent, against another person. Several of Michigan's felony assault laws apply only if the defendant intended to cause great bodily harm, death, or disfigurement (maiming). Assault With Intent to Commit Great Bodily Harm Less Than Murder - Michigan Criminal Lawyer.