Get this template here for free in JotForm! While these contracts are often used for employees, they are also used in other types of business relationships. Some standard uses of these agreements include contracts in the healthcare, construction, trade, e-commerce and insurance sectors. Trademark assignment agreements are often controversial and must be created to protect a company that purchases a phrase protected by trademark law or a symbol. A company that is sold enters into a trademark assignment agreement. These agreements can become a problem if there are several owners of a company who do not agree on the sale of the brand. .