You must contact the owner of the trademark/service mark or the copyright and ask for permission, which may or may not be granted . . . and for which the owner may charge a licensing fee. Be sure to have an attorney properly document the transaction.
Nina L. Kaufman, Esq. is an award-winning New York City attorney, edutainer and author. Under her Ask The Business Lawyer brand, she reaches thousands of entrepreneurs and small business owners with her legal services, professional speaking, information products, and LexAppeal weekly ezine. She also writes the Making It Legal blog.