He claims that Google "illegally misused the data of millions of iPhone users" via the "clandestine tracking and collation" of information about internet usage on iPhones' Safari browser, known as the "Safari workaround".
British media outlets reported earlier on Wednesday that the Supreme Court ruling may prod Google to pay all iPhone users in the UK £750 ($1,000) in compensation for the company's purported secret tracking.
Jamie Curle, a partner at the law firm DLA Piper, has meanwhile said in an interview with Sky News that the Supreme Court's upcoming judgment would be "one of the most eagerly awaited decisions of recent years", something that he claimed would have "a significant impact on the volume and nature of litigation in the data privacy arena".