Legit question: if I replicate a patent for a personal non profit use, is this infringement? Perhaps it is because I'm benefiting from the intelectual property.
In the USA there's an exemption for research use of patents, specifically for "amusement, to satisfy idle curiosity, or for strictly philosophical inquiry." https://en.wikipedia.org/wiki/Research_exemption
!> Yes, replicating a patented invention, even for personal, non-profit use, is technically considered patent infringement. A patent grants the inventor the exclusive right to make, use, sell, and distribute the patented invention for a certain period (usually 20 years from the filing date).