Another day, another lawsuit. Zhizhen Network Technology, a Chinese-based developer of voice assistance technology has sued Apple for patent violations regarding Apple’s Siri, voice-activated “personal assistant” technology, reports “The Register” (http://macte.ch/Lmypd).

Zhizhen Network Technology had a patent for “a type of instant messaging chat bot system” called Xiaoi Bot approved in China in early 2006. apparently sent Apple a notice in May trying to resolve the dispute but received no response from the fruity toy maker. A Shanghai court is now preparing to hear the case.