The University of Sussex has launched a High Court challenge to a record £585,000 fine imposed by England’s regulator, the Office for Students, arguing the regulator acted beyond its powers and was procedurally unfair. Sussex contends the OfS misapplied its remit when it penalized the university over a trans and non‑binary equality policy and that the watchdog relied improperly on lower‑level policy material. Lawyers for Sussex argued the fine has severe reputational and financial consequences and raised questions about bias in the investigation. The judicial review will test the limits of OfS enforcement authority and could set precedent for how regulators assess universities’ policies on equality, academic freedom and speech. Other institutions are watching closely for implications on governance and compliance risk.