The Australian Competition and Consumer Commission is in advanced stages of preparing evidence to launch legal action against Google over the demise of a high-flying mobile advertising startup Unlockd, the AFR reports.

Aussie regulator takes Google to court, alleging it misled users over location data

Unlockd was billed as one of Australia's fastest-growing tech startups. It raised A$60m in just two years and was heading for an IPO last year at a valuation north of A$200m - but instead crashed into administration in June, just two months after Google banned it from the Google Play store and