It's both. Trademark law requires registering for a series of categories where a product seeks protection, with each category being relatively specific. At th

It's both. Trademark law requires registering for a series of categories where a product seeks protection, with each category being relatively specific. At the same time, suing someone for Trademark infringement requires a judge to decide whether it could "potentially induce confusion in the user". Could an app be confused for a sausage? Could it be confused for a sneaker?... I'd say not, but I'm no judge!