England and Wales Case Law

TP-Link Systems Inc & Anor v Huawei Technologies Co Ltd

The interim payment should be set at the mid-point between TP-Link’s US$12 million offer and Huawei’s rack rate approach, covering sales from 2008 to April 2027, including interest at US Prime + 1%, and including white label and mesh products. The interim payment is to be paid directly to Huawei, not into escrow. The non-refundable amount remains US$12 million, subject to adjustment if white label or mesh product figures are significant.

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• Rand/frand licensing
• Standard essential patents
• Interim relief
• Interest on damages
• Disclosure
• Patent licensing

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KSY Juice Blends UK Limited v Citrosuco GmbH (No 2)

The High Court assessed damages after a Court of Appeal remittal in a Wesos supply dispute, fixing the reasonable market price, deductions, and interest.

• Damages for breach of contract
• Implied terms
• Sale of goods
• Calculation of reasonable price
• Interest on damages
• Damages-for-breach-of-contract

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Ksy Juice Blends UK Ltd v Citrosuco GmbH

Ksy Juice Blends UK Ltd v Citrosuco GmbH [2026] EWHC 764 (Comm) (30 March 2026)

High Court damages judgment on a Wesos supply contract, assessing non-acceptance losses, reasonable market price, deduction of avoided costs, and interest.

• Damages for non-acceptance
• Implied terms
• Sale of goods
• Assessment of damages
• Interest on damages
• Commercial-contract-damages

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The Wine Enterprise Investment Scheme Limited (In Liquidation) v Crowe UK LLP

High Court audit-negligence claim over TWEISL’s wine investment scheme, addressing breach, causation, reporting duties, contributory fault, and damages.

• Auditor's duties
• Causation in professional negligence
• Attribution of director fraud
• Liquidation and misappropriation
• Contributory negligence
• Interest on damages

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TP-Link Systems Inc & Anor v Huawei Technologies Co Ltd

TP-Link Systems Inc & Anor v Huawei Technologies Co Ltd [2026] EWHC 179 (Pat) (30 January 2026)

The Patents Court set interim RAND licence terms for TP-Link and Huawei, choosing a midpoint approach, adding interest, and fixing the non-refundable sum at US$12 million.

• Rand/frand licensing
• Standard essential patents
• Interim relief
• Patent royalties
• Interest on damages
• Disclosure

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The Kingdom of Sweden v Serwin & Ors

The Kingdom of Sweden v Serwin & Ors [2025] EWHC 1620 (Comm) (08 July 2025)

Commercial Court judgment on a large Swedish pension-fraud claim, addressing conflict of laws, fiduciary duty, reflective loss, damages and interest.

• Cross-border fraud
• Breach of fiduciary duty
• Reflective loss
• Interest on damages
• Jurisdiction and applicable law
• Enforcement of foreign judgments

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Optis Cellular Technology LLC & Ors v Apple Retail UK Ltd & Ors

The High Court erred in rejecting expert accountancy evidence and adopting a lump sum averaging approach unsupported by law or evidence. The correct approach is to identify the best comparable licences, use unpacked DPU rates, and set the FRAND rate accordingly. The Google licence and the highest-value Apple licences are the best comparables. The FRAND rate for Optis is set at $0.15 per unit, to be capitalised into a lump sum. The licence must treat any final US judgment as a floor, not require vacatur, and interest must run until payment. Non-royalty terms should revert to the parties' compo…

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• Frand licensing
• Standard essential patents (seps)
• Patent valuation
• Global portfolio licensing
• Hold up and hold out
• Anti-suit injunctions

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Ibukun Adebowale Adegboyega v Secretary of State for the Home Department

The High Court decided interest, costs, and wasted-costs issues after a damages trial arising from unlawful detention and related claims against the Home Secretary.

• Unlawful detention
• False imprisonment
• Eea rights
• Damages assessment
• Interest on damages
• Costs

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Adegboyega v Secretary of State for the Home Department

Adegboyega v Secretary of State for the Home Department [2025] EWHC 155 (KB) (28 January 2025)

The High Court determined consequential issues after judgment, awarding pre-judgment interest on several compensatory heads and confirming indemnity costs for the claimant.

• Unlawful detention
• False imprisonment
• Trespass to the person
• Article 3 echr
• Article 8 echr
• Eea rights

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Irwell Riverside Developments Limited v Arcadis Consulting (UK) Limited

IRDL is entitled to interest on damages at 8% simple interest, calculated using the midpoint approach for remedial works, but not to compound interest or additional lending fees. IRDL is the successful party and is awarded 60% of its costs, with no order as to costs on the disclosure application. An interim payment on account of costs is ordered, and interest on costs is payable at 8%.

Source excerpt

• Damages
• Interest on damages
• Costs orders
• Disclosure applications

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