This article from the Hollywood Reporter is as good as a textbook case.
An licensee sued MTV. Their claim: They spent millions on branded clothing and luggage only to have the products seized by local authorities.
“A licensing deal was signed with MTV Networks that allowed the company to offer products in 30 countries in Latin America and the Caribbean, but then San Panama says it discovered that MTV and Viacom “never registered the licensed marks and logos in many of the territories licensed to plaintiffs under the agreement.”
The “licensed” products were seized by authorities as infringing upon the trademark, copyright and proprietary rights of third parties, not MTV.
This is a nice example, why licensing is not a job for beginners.