Grahame regularly appears, led and unled, in High Court business protection cases. Recent highlights include:
- Alesco Risk Management Services Ltd and ors v Bishopsgate Insurance Brokers Ltd and ors  EWHC 2839: acting for the Claimants, led by Gavin Mansfield QC, in this blockbuster High Court team move and confidential information litigation involving leading City insurance brokerages;
- Visage Limited and anor v Mehan and ors  EWHC 2734 (QB): acting for one of the Defendants led by David Reade QC in a very high value covenants and confidential information case involving major players in the global fashion industry;
- Acting for the Defendants, led by Gavin Mansfield QC, in a confidentiality and team moves dispute in the insurance brokerage sector.