There are SaaS products out there ...
Device Based Authentication and Online Risk Solutions | iovation
Block Bots and Stop Web Scraping | Distil Networks
These people are not into securing link-trading because that is a rather narrow market.
Google has extensive click-bot protection now on AdWords and Adsense.
The problem with your desired uptake of ad network interest; is that they pay and charge by the gross delivery and not by the clicks that the advertiser receives. This may only be limited to the bulk traffic that they sell -- 40% of it is total crap but the price that it is sold for has to be factored in with the cost and returns of CPC traffic.
Why not try selling the idea as a SaaS service at a monthly cost? Compile an api that uses the factors that you have discovered ''your secret sauce'' and have the api allow or deny the clicks and report the findings back to the subscriber. Find out just how many webmasters will pay by the month for this type SaaS.