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

German-based Puma S.E. brought a trademark infringement lawsuit — based on the similarity of the cat logos — against Minnesota-based Arctic Cat, in the Northern District of Illinois at the end of last year (copy of complaint is here).

As we have written about before, sometimes the substance and merits of a