2017-11 | polaroid vs fujifilm - SQ film format

https://petapixel.com/2017/11/17/fujifilm-polaroid-demanding-millions-per-year-white-border-instax/

Polaroid said that the “square form” of Fujifilm’s Instax Square photos is “essentially identical” to the trademark and trade dress rights owned by Polaroid — Polaroid owns a number of trademarks that give it exclusive use of certain white borders on instant photos.