Plaintiff executed a pre-printed offer to purchase real estate (OTP) form containing all the material terms of his deal with defendant. The OTP also included a provision requiring the parties to execute a standard form purchase and sale agreement within seven days. The parties' attorneys negotiated through several drafts before agreeing on a final draft 10 days after the stated deadline. Before plaintiff delivered the executed agreement, defendant accepted intervenors' offer to purchase the property. Before defendant and intervenors' deal was closed, plaintiff filed suit seeking specific performance and damages. When the trial court's judgment in favor of defendant and intervenors was vacated on appeal, intervenors sought further appellate review. The appellate court affirmed because the OTP was a firm offer that became a binding contract on the parties when defendant accepted it. The court ruled that the purchase and sale agreement was to serve as a mere polished memorandum of an .