Is there any way to sell an idea or invention without a patent?
There, there's a lot of talk and you'll find a lot of stuff online about having people sign a nondisclosure agreement, and then disclosing your idea under that. The problem is that it's extremely risky because a nondisclosure or confidentiality agreement is a contract between two people, or two companies. So, if company A signs this contract, saying they're going to keep your idea confidential, and you disclose it to them, you are protected if they steal it themselves. But what often happens is they're smart enough not to steal the idea themselves if they've signed this agreement. So they're gonna leak this idea to an affiliated company, a cousin, a brother in law, or even a distant friend. Well, you can't trace how the idea got to this third party, and now that agreement is not going to protect you. So the only other way would be a nondisclosure agreement. But I don't recommend that because it only protects you against one party, the person that signed.