Patent drafting ranges in costs and can be anywhere between USD1000 to USD10,000 depending on the time spent by the lawyer or patent agent. Patent drafting on Easy patents depends on the package chosen and the expert chosen. Drafting packages start with - USD350 for a do it yourself draft and USD1500 for computer assistive with some human review and finally USD3,500 for a collaborative exercise with 2 experts a legal and a technical.