Doesn't sound like you have standing, but the original academics who authored the original article do. They might could care less, or they may send a cease & d

Doesn't sound like you have standing, but the original academics who authored the original article do. They might could care less, or they may send a cease & desist, takedown, or more aggressive action. If you just reach out to them, no matter what happens, you did the right thing, and hopefully it'll bring the competitor down the right way.