What are some disadvantages to alternative dispute resolution (ADR) over litigation? Some disadvantages are: discovery is required, no court enforcement of the judgment, and no precedential value of the decision. Some disadvantages are: no right to discovery or appeal, and no precedential value to the decision. Some disadvantages are: no cost or time savings, no official record of the proceeding, and no continued relationship between the parties. Some disadvantages are: decisions are not binding, no way to collect a settlement, and no continued relationship between the parties. Some disadvantages are: no time and cost savings, no unique settlement possible, and no appeal process.