Business Law Library & Tracker

Restraints, Confidentiality & Trade Secrets

Confidential information, non-competes, non-solicitation and staff exits.

Sources last reviewed 28 July 2026

Main law guides

122

Acts, regulations and codes worth reading first

Topics

60

Plain-English clusters

Published case explainers

143

Selected cases with a business lesson

Tracked updates

11

New, amended & reviewed

Plain-English explainers, not legal advice. Use the linked official source for section-level detail, and get advice for your situation.

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Main laws

Cases

Court of Appeal of England and Wales[2026] EWCA Civ 19227 Feb 2026

Zaha Hadid Limited v The Zaha Hadid Foundation

If your business depends on a founder’s name, designer label, celebrity brand or other licensed trade mark, do not leave duration and exit rights to later argument....

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Restraints, Confidentiality & Trade SecretsLiquidation & RestructuringAdvertising, Marketing & PromotionsTrade Marks, Passing Off & BrandingLicences, Permits & RegistrationsDisputes, Enforcement & RemediesTelecommunications, Media & Content
High Court of Justice[2025] EWHC 636 (KB)17 Mar 2025

Angela Emmerson v Human Givens Institute Limited

For ordinary businesses, the durable lesson is simple: do not assume you can share information just because one person involved says yes. If your business holds...

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Privacy & DataDismissal, Redundancy & GrievancesRestraints, Confidentiality & Trade SecretsDisputes, Enforcement & RemediesConstruction Contracts & PaymentImport, Export, Sanctions & CustomsWorkplace Investigations & MisconductStandards, Accreditation & CertificationConsumer Complaints & Dispute Resolution
Court of Appeal of England and Wales[2025] EWCA Civ 12637 Oct 2025

InterDigital, Inc & Ors v Optis Cellular Technology LLC & Ors

If your business signs contracts with sensitive pricing, royalty structures or negotiated rates, this case is a useful guide to how courts may treat that...

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Restraints, Confidentiality & Trade SecretsLicences, Permits & RegistrationsDisputes, Enforcement & RemediesTelecommunications, Media & ContentEquality, Discrimination & AccessibilityStandards, Accreditation & Certification
High Court of Justice[2025] EWHC 426 (KB)14 Feb 2025

Mex Group Worldwide Limited v Adam Duthie & Anor

For business owners, the durable lesson is not about the underlying cross-border fight. It is about control of confidential information once a relationship with a...

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Privacy & DataContractors & Worker StatusDismissal, Redundancy & GrievancesRestraints, Confidentiality & Trade SecretsDisputes, Enforcement & Remedies
Court of Appeal of England and Wales[2023] EWCA Civ 14017 Feb 2023

Vadim Don Benyatov v Credit Suisse (Securities) Europe Ltd

The practical lesson is about clarity, scope and risk allocation. An employer may owe recognised duties of care and may have to reimburse some expenses or...

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Employment & WorkplaceEmployment Contracts & PoliciesDismissal, Redundancy & GrievancesRestraints, Confidentiality & Trade SecretsDirectors' Duties & GovernanceLicences, Permits & RegistrationsFinancial Services, Credit & PaymentsInsurance Policies & Claims
Court of Appeal of England and Wales[2022] EWCA Civ 86423 June 2022

Credico Marketing Limited & Anor. v Benjamin Gregory Lambert & Anor.

If your agreement contains both an exclusivity clause and a post-termination non-compete, assess them separately. This case shows that a court may uphold the first...

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Restraints, Confidentiality & Trade SecretsDirectors' Duties & GovernanceShareholders & Company ControlAdvertising, Marketing & PromotionsDebt Recovery, Guarantees & SecurityDisputes, Enforcement & RemediesCharities, Clubs & Member GovernanceUnions, Collective Bargaining & Industrial ActionStandards, Accreditation & Certification
High Court of Justice[2022] EWHC 2765 (IPEC)2 Nov 2022

PIXDENE LIMITED v PADDINGTON AND COMPANY LIMITED

If your contract gives you a percentage of sales, royalties or net revenue, check whether the audit clause actually works in practice. This decision shows that a...

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Restraints, Confidentiality & Trade SecretsLicences, Permits & RegistrationsDisputes, Enforcement & RemediesFranchising, Distribution & Dealerships
Court of Appeal of England and Wales[2021] EWCA Civ 22724 Feb 2021

Quantum Actuarial LLP v Quantum Advisory Ltd

If you are restructuring a business, spinning out an operating vehicle, or outsourcing client work within a group, draft the agreement around the real commercial...

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Dismissal, Redundancy & GrievancesRestraints, Confidentiality & Trade SecretsLiquidation & Restructuring
Court of Appeal of England and Wales[2021] EWCA Civ 3819 Jan 2021

Travel Counsellors Ltd v Trailfinders Ltd

Do not assume a new recruit or franchisee is free to bring over a customer list just because they know the customers personally. If the volume, format or detail of...

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Dismissal, Redundancy & GrievancesRestraints, Confidentiality & Trade SecretsDirectors' Duties & GovernanceAdvertising, Marketing & PromotionsLicences, Permits & RegistrationsDisputes, Enforcement & RemediesFranchising, Distribution & DealershipsImport, Export, Sanctions & Customs
High Court of Justice[2020] EWHC 1812 (QB)8 July 2020

Aven & Ors v Orbis Business Intelligence Ltd

If your business commissions or produces investigation reports, do not assume that a legal dispute, client confidentiality or a public-interest concern gives you a...

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Regulatory ComplianceRestraints, Confidentiality & Trade SecretsDisputes, Enforcement & Remedies
Court of Appeal of England and Wales[2020] EWCA Civ 13009 Oct 2020

The Racing Partnership Ltd & Ors v Sports Information Services Ltd

The durable lesson is about sourcing discipline. If you receive commercially valuable information from a third party, ask where it comes from, what rights sit...

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Dismissal, Redundancy & GrievancesRestraints, Confidentiality & Trade SecretsLicences, Permits & RegistrationsDisputes, Enforcement & Remedies
High Court of Justice[2020] EWHC 591 (IPEC)12 Mar 2020

Trailfinders Ltd v Travel Counsellors Ltd & Ors

For ordinary businesses, the lesson is simple: do not treat customer lists as fair game just because a recruit knows the customers, can remember some details, or...

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Privacy & DataEmployment Contracts & PoliciesRestraints, Confidentiality & Trade SecretsDirectors' Duties & GovernanceDisputes, Enforcement & RemediesFranchising, Distribution & DealershipsImport, Export, Sanctions & Customs
UK Supreme Court[2019] UKSC 323 July 2019

Tillman v Egon Zehnder Ltd

Severance can rescue a restraint, but it is not a drafting strategy. Employers should tailor each restriction to the employee's role and the business interest being...

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Employment & WorkplaceContracts & CommercialIP & Brand ProtectionRestraints, Confidentiality & Trade Secrets