Even at the top price, the 5 percent royalty on a thousand books would be only $125.
A 5 percent royalty would result in many marginal projects being stopped.
The companies will also pay a 4 percent royalty on sales of any products developed using the protein.
But he said the House bill, with its 8 percent royalty, would discourage many smaller companies from looking for gold.
A royalty of 55 percent is unusually high in book publishing.
Commercial publishers couldn't stay in business paying 55 percent royalties.
But Cambridge gets a 2.7 percent royalty, which has not been enough to make it profitable.
Both designers received a fee, plus less than 3 percent royalties.
Would ten percent royalties and a hundred thousand down buy all but space rights?
It is not clear how many were sold, but if 500,000 were bought, the 15 percent royalty would come to $1.8 million.