Facts

Betrum, a sports marketing specialist, entered into an oral agreement with Marowski, the owner of a major league football team, to help launch a sports TV network. Marowski stated to Betrum that he would be compensated as a consultant in the amount of $5,000, and when the deal was completed would be compensated fairly for his "efforts and his ideas." The oral agreement was vague as to exactly what had to be done to successfully launch the network. Nevertheless, Betrum went ahead and met with all the officials necessary to establish the new network. Once the network was launched, Betrum received the $5,000 as his consultant fee, but did not receive compensation for his "efforts and his ideas." Betrum then brought a lawsuit against Marowski for breach of contract and the case went to trial.

At Trial

The court heard evidence by Marowski's attorney that the part of the agreement dealing with payment for "efforts and ideas" was vague and indefinite and that compensation was not warranted. Betrum's attorney responded that compensation should be paid on the basis of unjust enrichment.

Questions

What is meant by the term "unjust enrichment"?

In this case, was Betrum's attorney correct? Why or why not?