Things are getting ugly in the sneaker world. Last month, I reported how Allbirds is constantly swatting off other brands copying its distinctive Wool Runner, including most recently Amazon, which created a similar sneaker through its in-house shoe brand 206 Collective. Now, the ongoing legal battle between Nike and Skechers is escalating. Nike recently filed a patent infringement lawsuit against Skechers, alleging the company has created sneakers that are very similar to Nike’s VaporMax and Air Max 270 shoes. You don’t need to be a copyright expert to see the similarities between the sneakers. Take the pink Air Max 270, which features a pink knit exterior along with a red, clear transparent sole. The Skechers has all of those elements, except instead of the Nike “swoosh” there’s a Skechers “S” logo. Read more at Fast Company.