1878 93 The English manufacturing public could manufacture Bessemer steel royalty free, because the English patent had expired.
1949 29 Jan. 18/4 It was decided to abrogate the original royalty-free arrangement and to negotiate payment of a statutory royalty.
2005 C. Stross ii. 75 The robot companies are all set to..grant any and every copyright request they receive, royalty-free.