The royalty rate shall be 15% of the net sales value of the products.

专利权使用费是产品净销售价值的15%。

The royalty rate shall not be higher than the standard international rate.

专利费不应高于国际标准费用。

The royalty rate shall not be higher than the standard international rate.

专利权 使用费 不应高于国际标准。

Generally speaking, the royalty rate for popular writers is above 10 percent.

一般来说，抢手的作者版税率在10%以上。

Can you consider lowering the royalty rate (the initial payment) a little bit?

您能考虑降低一点提成率(入门费)吗？