AUBURN — The sentencing hearing for Allen-Michael St. Claire, scheduled for Friday afternoon in Androscoggin County Superior Court, has been postponed because of his attorney’s scheduling conflict.

Last month, St. Claire, 24, of Auburn pleaded guilty to a felony charge of aggravated assault after slamming his 2-month-old son into a door frame in the family home and fracturing the infant’s skull in May 2013.

That crime is punishable by up to 10 years in jail, but in a plea deal he reached with the state, St. Claire has agreed to a seven-year sentence, with all but a cap of 2½ years in jail; he will be given an opportunity to argue for less time during his hearing.

After serving his sentence, he is expected to be on probation for two years.

Two other assault charges have been dismissed.

The hearing was scheduled to begin at 1 p.m., but his attorney, Leonard Sharon, is scheduled to attend a hearing in a different case in Portland on Friday morning and informed the Auburn court on Wednesday that the Portland hearing may last the entire day and that he was unavailable for the St. Claire sentencing. A new date has not yet been selected for that sentencing.

According to court records, St. Claire was watching the infant, who was ill with pneumonia, while his mother, Bonnie Corbin, 25, slept on May 10, 2013. When Corbin woke up the next morning, she noticed the child’s head was swollen and the couple took the child to a doctor, who recognized head trauma immediately and moved the child to Maine Medical Center in Portland.

There, while being interviewed by Auburn police and Child Protective Services, St. Claire initially said a fan had fallen on the child’s head but later admitted he hit the infant’s head against a door frame.

Corbin has temporary sole custody of their son, and said she intends to seek permanent custody while St. Claire is in jail.

The child, Connor St. Claire-Corbin, is 13 months old and while his physical development appears to be on track, Corbin said doctors won’t know until he reaches school age whether his cognitive development is normal.

jmeyer@sunjournal.com