Women do not receive their fair share when it comes to patenting and are far less likely to own patents. This disparity is due in part to the inherent biases in science, technology, and the patent system and in part to the high costs of the patent application process. This chapter therefore proposes an unconventional new regime of unregistered patent rights to relieve women and other disadvantaged inventors of such costs and biases and thereby increase their access to patent protections. To explain the proposal, this chapter details the challenges facing women and other disadvantaged inventors in applying for patents as well as the fact that other intellectual property regimes, such as copyright and trademark, allow such unregistered rights. The chapter also addresses a number of objections that the proposal would inevitably raise. In particular, it shows that, because the proposed unregistered patent system would grant rights for only three years and protect only against direct and knowing copying, these rights would be unlikely to deter incremental or complementary innovation. Such rights would also be fully subject to invalidation under a preponderance of the evidence standard.