is-ought distinction, but specifically:

The heksher marks and logos offered by kosher-certification organizations are protected by trademark; using the trademark under license specifically assures the customer that the organization's standards have been followed precisely, and using the trademark without license defeats the purpose.

Similarly, the American Halal Foundation, the USDA Organic seal, the UL logo and many other programs use the mechanism of trademark to guarantee that the product or service meets their standards.