business law

undisclosed principal

Under agency law, undisclosed principals arise when a third party has no notice that the principal exists, but the undisclosed principal has authorized an agent to act on the principal’s behalf. The agent does not represent that they are...

Undue influence

In contract law, a defense that can be used by a party to argue against the formation of a binding contract between two parties. The use of undue influence by one party over another puts the free will of one of the parties entering the contract into...


Description for a contract that will not be enforced by a court even though it is valid. An unenforceable contract provision is not void, and if the parties perform as stated in the contract, the court will not object. However, because of reasons...

Unfair competition


The law of unfair competition is primarily comprised of torts that cause economic injury to a business through a deceptive or wrongful business practice. Unfair competition can be broken down into two broad categories:


Unfair Labor Practices (ULPs)

Unfair Labor Practices: an overview

Under the [[national_labor_relations_act_nlra|National Labor Relations Act ("NLRA")]], there are three broad categories of Unfair Labor Practices ("ULPs"). The three categories of ULPs consist of those...

Uniform Commercial Code

A uniform code governing commercial transactions that has been adopted in some form by every state as well as by the District of Columbia. It includes sections pertaining to sales and leases of goods, negotiable instruments, and secured transactions...


One-sided. Often describes action by one of multiple parties, without the agreement or participation of others.

See Bilateral, Multilateral, Mutual, and Unanimous.

Unilateral Contract


A unilateral contract is a contract created by an offer than can only be accepted by performance.


In a unilateral contract, there is an express offer that payment is made only by a party's performance. Another example of a...


Not incorporated. Specifically -

1. A organization that has not been formed into a legal corporation.

2. Not combined or mixed with something else. Thus, in constitutional law, an unincorporated amendment of the U.S. Constitution is...

Unincorporated business organization (UBO)

See: Massachusetts trust.