This post has a little to say besides: Check out this article on the CBABC website. It summarizes the genius of Barbie’s brand strategy, which includes leveraging multiple forms of protection—copyright, trademark, patent, and industrial design—for their IP.
Another great article about Barbie’s IP in the New Yorker.
Both articles discuss how, in addition to their own creation, Mattel also licenses, subsumes, and incorporates non-Mattel IP into the overall Barbie IP umbrella. Here is one, Pantone 219 C:
Copyright & Social Media
Communications Law