Brands can now manage and protect their identity and product catalog by accessing Amazon Brand Registry directly from Seller Central.
Settings > Account Info > Business Information > Manage Your Brands, it will redirect to Amazon Brand Registry.
What is Amazon Brand Registry?
Amazon brand registry helps you build and protect your brand on Amazon. Brand Registry lets you prevent, detect, and remove infringing content, stop counterfeit sellers from hijacking your listing and unlocks a suite of tools to protect and build your brand.