Can one company claim the exclusive use of a product brand? If there's any question over whether a competing company does not have the right to sell or market the brand that one company has already been supplying, the issue may need to be resolved in court.
One may assume that business contracts are binding, but in cases where a state law takes precedence over a company's agreement with other entities, the law may render such contract agreements void. The Kentucky Court of Appeals recently overturned a verdict of $24.7 million in royalties after their panel of three judges decided that despite contracts that were signed to promise payment, the plaintiffs did not have any right to the royalties, per state law.
In an example that shows how consumers with language and cultural barriers can easily become victims of fraud, human rights groups and attorneys claim that Navajos are often the targets of deceptive trade practices with car dealerships. Navajos, many of whom speak English as a second language or not at all, are at risk of being tricked into signing contracts they don't understand.