I still say, "Use it or lose it." If you file a patent, and you fail to market a product using that patent, then the idea behind your patent should be usable by others without royalty or license fee until such time as you manage to do so. I understand that it sometimes takes time to commercialize an idea, so I'm willing to allow for a small number of years for the filer to achieve this. But honestly, if another company can develop the idea faster, then aren't all people better off if the filer transfers the patent to a tech developing company up front to avoid the "lose it" factor, and then the developing company markets the product quickly, then everyone wins. Much better than the alternative: several tech developing companies who are aware of the squatting patent market technology anyway (because they have no alternative to some of these stupid patents), and eventually get sued by the squatter for a ridiculous amount, ultimately costing society millions or even billions in license payments, penalties, logistics, court time, etc. because of some blood-sucker who managed to write his name on a patent application.
This might also be a better way to gauge the "true market value" of patents, because inventors would auction them off to tech development companies for the purpose of inclusion in products, rather than to IP-aggregating legal firms who have every intention of maximizing their return on IP investment, and do so by extorting license payments from so-called "violators". Companies are forced to pay more to these vampires because in the face of an injunction the alternative is going back to square one on their product's design, which for many companies is a death sentence. If a squatter were to sue Boeing for a violation incorporated into just one of their aircraft, and in so doing achieved an injunction, Boeing would go out of business.
We have RAID and DEET for mosquitos. What do we have for these bloodsuckers?