Are you sitting down? This might come as a complete surprise. Samsung has responded to Apple’s patent infringement claims by…wait for it–countersuing with claims of its own that Apple is infringing on Samsung patents. I know, right? Total shocker.

In response to Apple filing patent infringement claims in the US District Court of Northern California, Samsung has accused Apple of infringing on a total of ten patents in three different countries (Japan, Germany, and South Korea).