Peter Blok is a professor of patent law. He is a fellow of the Centre for Intellectual Property Law (CIER) at Utrecht University. He is also a judge at the Court of Appeal of the Unified Patent Court and a deputy judge at the Court of Appeal of The Hague. He specialises in intellectual property law, in particular patent law.

From 2015 to 2023, Peter Blok was a judge at the Court of Appeal of The Hague. From 2007 to 2015, he was a judge at the district court of The Hague. Before that, he was a lawyer in Rotterdam and Amsterdam.

In 2002, Peter Blok obtained his PhD in Tilburg for a dissertation on the right to privacy. He did part of his doctoral research at the Georgetown University Law Center in Washington D.C. He studied law and philosophy in Leiden.