The University of Sussex has launched a High Court judicial review challenging a record £585,000 fine imposed by the Office for Students for alleged failures to uphold freedom of speech. Sussex argues the OfS exceeded its powers in penalizing a two‑page trans and non‑binary equality policy statement, contending that the policy was not a governing document and the regulator lacked jurisdiction over that material. Lawyers for Sussex will ask the court to quash the ruling as unlawful, irrational and procedurally unfair. The OfS maintains its investigation was appropriate and that the policy had a chilling effect on campus speech. The case centers on high‑profile controversies dating to the Kathleen Stock protests and could reshape the regulator’s reach over university policies. Universities and legal observers are watching closely: a ruling for Sussex could curb OfS enforcement powers, while an adverse decision could tighten regulator oversight and expose institutions to larger fines and tougher compliance expectations on free‑speech issues.