Complex sentence: Haire brought up the gold-pin episode, despite the fact that Stopes's clinic had never used it, and the incident would be investigated in the Stopes-Sutherland libel case a few years later.
Split into simpler sentences: Haire brought up the gold-pin episode, despite the fact that Stopes's clinic had never used it. The incident would be investigated in the Stopes-Sutherland libel case a few years later.