Drake, a contractor, and lonnie, a landowner, have a contract whereby drake is to perform routine construction services according to the blueprints that lonnie has provided. drake assigns the contract to brad, a developer. as a result of this assignment:

  Drake no longer has any rights under the contract, but he remains responsible for the duties he agreed to perform

Explanation:  Since Drake has assigned the contract to Brad, who is the developer, he has all the rights, i.e. Brad takes over all rights from the contract. However, Drake still has the duties that he has assumed to perform  by entering into a contract with Lonnie. Duties from a contract are items that, in this case, Drake binds himself with a legal obligation to someone with whom he has a contract. Rights under the contract are items that one has under legal justice.

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