I've had clients with registered marks that were interested in selling or licensing their mark to a newer company. In some scenarios, the newer company was using similar or infringing marks. I advised the clients to introduce the idea of a licensing deal through a cease and desist letter. This is a good strategy to motivate the receiving company into discussing the deal, and may even provide an additional bargaining chip. The idea is simple; the receiving company can avoid getting sued and changing their marketing strategy if they license your mark and pay a small royalty.
I recommend implementing co-branding agreements with complementary brands. This strategy allows both brands to leverage their strengths and market reach while using their trademarks. Co-branding enhances visibility, credibility, and conversion rates, creating a powerful synergy that drives traffic and boosts sales.