Although Blac Chyna is about to be married to Rob come 2017 after just having their baby Dream Kardashian, it seems like the Kardashian sisters are not here for Blac Chyna wanting to Trademark their last name for business and social media purposes. 

According to TMZ, the sisters filed a claim that she will be hurting their “reputation” that they have managed to build for years, and they believe she’s deliberately using her marriage to only brother Rob Karadashian for profit. 

Now we don’t know what goes on in their personal lives but we do know that Rob And Chyna according to reports are reportedly doing very well co-parenting, and Rob is very happy to finally get married to his dream girl Angela aka Blac Chyna.