The English Supreme Court case of Unwired Planet International Ltd v. Huawei Technologies (UK) Co Ltd demonstrated a pro-patent holder approach when interpreting the ‘fair, reasonable and non-discriminatory’ (‘FRAND’) rule/ undertaking. This article argues that this is a welcomed decision, because this approach pays due regard to commercial reality and the commercial needs of the patent holder. Understanding this approach is very important, because it helps in applying the rule. This approach also vitally provides more certainty by supplementing the existing, yet limited and vague, guidance on the interpretation of this rule. Furthermore, this comment rebuts the concern that the Court may have demoted the usefulness of the ‘non-discriminatory’ limb by allowing differential pricing. It is argued that this approach is both legally correct and makes practical sense. The impact of differential pricing to prospective licensees should not be over-exaggerated.