We’ve written on several occasions (for example, here, here, and here) about the aggressive policing by Adidas of its well-known “three-stripe” mark for shoes, including attempts to enforce its mark against other two-stripe or four-stripe designs (with some success).
Adidas is at it again, with a new lawsuit asserting trademark infringement

I am, however, a huge advocate of having a culture that’s brand-specific. Something along the lines of a legacy.