Often inventors and innovators will come up with a way to make a better mousetrap. Often they will find others hold patents to a critical component to make this better mousetrap innovation or invention. Therefore they need to make a deal with the company or individual holding the patent so that they can use this technology to make their invention and sell it. One way to do this is to offer to pay them a per unit royalty on each unit made or sold. And most savvy companies who agree to this will want audit rights to check the books on how many items were built and/or sold by the better mousetrap maker. Recently I was asked by a innovator and think tanker;