Definitely a good idea, but did she patent it? What's to stop one of many companies in this area from producing it or a variant? Does she have the resources to

Definitely a good idea, but did she patent it? What's to stop one of many companies in this area from producing it or a variant? Does she have the resources to enforce her own patents? I don't know, I'm honestly curious as I've been in similar positions before with things I thought I could take the market.