Ever heard of the Samsung BlackJack [1]? Came out around the time BlackBerrys were just getting hot.
This isn't about deliberately trying to confuse customers per se, but it's a close pursuit strategy that relies heavily on the association between their products and what is popularized by other companies. I remember my family taking a couple because they were offered free with a contract. Certainly this choice was partially informed by the popularity and name recognition RIM created.