Since the launch of less costly 3D Printers, more and more users are now getting to 3D Print their own Pharmaceutical pills at home. This has led to Piracy issues of 3D Printed medical drugs which require FDA approval and hence, the need to claim copyrighting for them. It has been asked that manufactures might be required to design the drugs in such a way that it requires a specific type of material, one not compatible with 3D technology.
Source: https://techcrunch.com/2016/08/12/a-prescription-for-preventing-3d-printing-piracy/