If it's making some money I would incorporate. You don't want a patent troll screwing everything up for you and you can mitigate the risk of that for a a small

If it's making some money I would incorporate. You don't want a patent troll screwing everything up for you and you can mitigate the risk of that for a a small fee. You can own shares in the company and that way your ownership stake isn't at risk of a hand-shake deal. Situations change so prepare for the worst and hope for the best. She is your girlfriend so it sounds crazy but hey so are pre-nups. Pay the lawyer if you are getting paid.