>>11326026patents require you to publish the method, retard
>>11326058lol FDA
>>11325994you set up a treatment center in some neutral location.
do individual negotiations with each country with social healthcare, making sure they pay as much as they possibly can afford to you. take a look at their healthcare spendings and determine your rates per country based on that. don't be afraid of not letting on some countries, they'll eventually give in / their citizens with cancer and their relatives will make them bend the knee.
however, this only applies to individuals with a networth below $1m.
for the rest, you ask for 90% of current wealth, and 90% of all their future income. countries whose courts rule against you in the lawsuits that'll inevitably follow from people you cured a decade ago and no longer want to pay are banned from getting the cure.
the majority of the world's healthcare spending going to your pockets, not to mention getting a patients like steve jobs and you're the worlds first trillionaire in no time.