Another company has infringed upon your intellectual property rights
This is a serious matter that requires immediate action. As the owner of the intellectual property rights, I would first reach out to the company directly to inform them of the infringement and request that they cease and desist their unauthorized use of my intellectual property.
If the company refuses to comply or negotiate a resolution, I would seek legal counsel to explore options for pursuing legal action against the infringing company. This could include filing a lawsuit for damages, seeking an injunction to stop the unauthorized use, or pursuing a settlement agreement.
It is important to protect intellectual property rights to preserve the integrity of the brand and prevent financial losses from unauthorized use. I would take all necessary steps to enforce my rights and protect my intellectual property from infringement.