"Aside from hourly patent attorney fees ($150 per hour and up), filing fees, publication fees, issuing fee, and other fees can cost an independent inventor upwards of $5,000 to get a patent for a simple mechanical invention; a more complex electronic invention can cost more than $10,000.??? How much does it cost to patent a product? (Jodie Gilmore, ???Patent attorneys offer expert guidance for inve" . . . . .