Great question — answering as the UphillTech team:
Without going into specifics, the process is the same for anime as for any other product in the world: Is there an interest in the product? This can be measured in many different ways in case of streaming sites: polls, data analysis (who watched what, what do forums/discussion boards say), etc. If yes, can a profit be made? (in terms of new subscribes, income from ads, etc) If yes, is the product legal in the country you wish to sell it in? (If not, can it be made legal? Think pixelating private parts, etc) If yes, can a license be obtained? (eg. are there no import/export restrictions) The answers to all these questions, and a few others (technical feasibility for example - what if a...
Full answer by RJ T: https://anime.stackexchange.com/a/41578 (CC BY-SA 3.0).
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