The maximum amount of a claim that can be brought to the Small Claims court is now $6000, up from $4500.
Title 14, §7482: Definition of a small claim:
Notwithstanding the total amount of a debt or contract, a “small claim” means a right of action cognizable by a court if the debt or damage does not exceed $6,000 exclusive of interest and costs. It does not include an action involving the title to real estate.
See here for more on Small Claims in Maine.