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Our case studies, news and practical writing on how technical evidence is built, tested and relied upon in disputes. Filter by case studies or insights below.

Bates v Post Office
15 January 2024 · 7 min read
One of the most consequential IT disputes in English legal history turned on a single question: could the Post Office's Horizon accounting system produce shortfalls in a branch's accounts that were not the sub-postmaster's fault? EVO's founder, Jason Coyne, acted as the claimants' independent IT expert, and the court preferred his evidence.

What makes a source-code review defensible under CPR Part 35
3 August 2026 · 7 min read
A source-code review only helps a case if it survives scrutiny. Here is the method that makes technical evidence defensible, from scope and disclosure to the expert's duties under CPR Part 35.