What must be filed to officially change the ownership of a trademark?

To officially change the ownership of a trademark, it is essential to file an assignment of ownership. This document serves as a legal instrument that transfers the rights and title of the trademark from the current owner to the new owner. Additionally, filing a change of address form can be part of the process to ensure that the trademark record is up-to-date with the owner’s current contact information.

The assignment of ownership is crucial because it provides a clear record of who holds the rights to the trademark, preventing disputes and clarifying legal standing. This process is particularly important for maintaining the validity of the trademark rights and ensuring that the new owner can enforce their trademark against any infringements.

While other forms such as a new trademark application may involve ownership, they do not accomplish the goal of officially transferring ownership of an existing trademark. Thus, without the proper assignment of ownership, there could be legal ambiguities regarding trademark rights.