The Trouble with the TPP series (Day 1: US Blocks Balancing Provisions) spends the next few days examining the TPP’s copyright provisions. One of the most controversial aspects of the 2012 Canadian copyright reform process involved the anti-circumvention provisions, often referred to as the digital lock rules. The U.S. pressured Canada to include anti-circumvention rules, which were required for ratification of the WIPO Internet Treaties, within the copyright reform package. They feature legal protections for technological protection measures (TPMs, a broader umbrella that captures digital rights management or DRM) and rights management information (RMI).