If you have a look at the rate entry in the services rate notification, the following is relevant
Temporary or permanent transfer or permitting the use or enjoyment of Intellectual Property (IP) right.
As mentioned by the experts above, there is also an entry in the goods rate notification.
Though, the manner of classification would be to look at the terms of the contract, identify whether permanent or temporary transfer. In case of permanent transfer it would be goods. However, whether goods or services rate of tax seems to be 18%.