The Supreme Court recently considered the scope of the anti-deprivation principle, in Belmont Park Investments PTY Limited (respondent) v. BNY Corporate Trustee Services Limited and Lehman Brothers Special Financing Inc (appellant) [2011] UKSC 38 (Belmont). Understanding the scope of this principle is important for anyone entering a contract where the parties’ rights and obligations change if one of them enters an insolvency procedure. Robert Spedding explains how the courts applied the principle in Belmont and makes some practical suggestions for avoiding problems.