APPENDIX B: ALTERNATE CASE PROBLEM ANSWERS—CHAPTER 16 B-3
16-7A. The parol evidence rule
On Vision’s breach of contract claim, the court granted du Pont’s motion for summary judgment.
The court pointed to the language of the integration clause in the parties’ written contracts:
16-8A. Oral contracts
The court concluded that MacDonald failed to prove the existence of an oral contract, and ruled
in Pinto’s favor. MacDonald appealed to a state intermediate appellate court, which reversed the
lower court’s judgment and remanded the case for a new trial. The appellate court explained, “In
the present case, the plaintiff did not have to prove the existence of an oral contract because the
16-9A. The parol evidence rule
The court considered evidence of the parties’ negotiations, determined from that evidence that
Krieg’s alleged “right of residency” had not been part of the deal, and ruled in Hieber’s favor.
Krieg appealed to a state intermediate appellate court, arguing in part that the lower court
should not have considered evidence of the parties’ negotiations. The appellate court held that