A former client seeking to restrain a solicitor from acting against them in a related matter need only establish a prima facie case that confidential information was imparted; the court will not require disclosure of the detail of the confidential communications. However, even where confidential information was given, the court may permit the solicitor's firm to continue acting if protective orders (quarantining the relevant solicitor, requiring return of privileged files, and undertakings not to use privileged material) can adequately address the risk of prejudice. The reasonable bystander test from Fordham applies, and the bystander is taken to know only what has emerged in the proceedings.
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