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Non Disclosure Agreement (NDA) meaning

What does Non Disclosure Agreement (NDA) mean?
An NDA (non-disclosure agreement), also called a confidentiality agreement, is a contract used to share confidential information for a defined purpose while preserving secrecy. It binds the recipient to a duty of confidence, typically limiting use to a permitted purpose, restricting disclosure to named or need-to-know recipients, requiring reasonable safeguards, and providing for return or destruction of materials and prompt notice of any unauthorised access. NDAs are usually unilateral or mutual. Common carve-outs cover information that is public, already known, independently developed, received lawfully from a third party, or disclosed under legal compulsion. Clauses often address duration (with longer survival for trade secrets), no licence or obligation to proceed, exclusions on reverse engineering, and remedies including injunctive relief (interdict in Scotland). “Non-disclosure agreement” is a descriptive term, not defined by statute. It operates alongside the law of breach of confidence (including the Coco v AN Clark principles) and trade secrets regimes: the UK Trade Secrets (Enforcement, etc.) Regulations 2018 and Ireland’s European Union (Protection of Trade Secrets) Regulations 2018. Usage and effect are broadly consistent across England and Wales, Scotland, Northern Ireland and Ireland, noting Scottish terminology on remedies.
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View the related Checklists about Non Disclosure Agreement (NDA)

CHECKLISTS
NDA Review Checklist for Recipients: scope, mutuality, definition, permitted use, authorised recipients, data protection, legal reporting carve-outs, warranties, IP, indemnities, duration, termination, post-termination, boilerplate and execution

Checklist Use this Checklist when assessing a confidentiality agreement (also called a non-disclosure agreement or NDA) where you are the party receiving confidential information under that arrangement. Before you begin your review, consider: what information the business needs to obtain and for what reason; whether the business will also be sharing information with the other side; what information is being received and who should be able to access and use it. For further information, see Precedent: Confidentiality agreement—one-way—pro-recipient. The third column can be used to capture observations or comments as you work through the Checklist. Further information Notes (if any) ☐ Confirm the parties to the agreement. Reflect on which individuals and/or entities should be party to the agreement. □ Confirm how confidential information will be defined. Consider: whether a general definition or a list format is more suitable; whether any confidential information will be shared with group...

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CHECKLISTS
NDA drafting checklist for disclosing parties: defining confidential information, purpose, recipients, security/AI, data protection, statutory/SRA carve-outs, IP ownership, indemnities, duration, termination, return/destruction, boilerplate and execution

Checklist Use this Checklist when drafting a confidentiality agreement (also referred to as a non-disclosure agreement or NDA) where you are the party providing confidential information. Before you begin, reflect on: what the business plans to reveal and whether it is confidential; the reason the business wishes to share that information; whether the business will also receive confidential information from the other party; who the business intends to disclose that information to. For further information, see Precedent: Confidentiality agreement-one-way-pro-discloser. As you work through the Checklist, use the third column to capture observations or comments. Parties ☐ Confirm the parties to the agreement. Consider which individuals and/or entities should be party to the agreement. What information does the business want to disclose? ☐ Decide how confidential information will be defined. Consider: whether a general definition or a list format is appropriate; whether any confidential...

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CHECKLISTS
Ireland: NDA Drafting Checklist for Disclosing Parties-Purpose, Confidential Information, Security/AI, Data Protection, IPRs, Indemnities, Termination and Execution

Checklist Use this Checklist when preparing a confidentiality agreement (also called a non-disclosure agreement or NDA) in which you are the party sharing confidential information under that agreement. Before drafting, consider: what material the business intends to reveal and whether it is genuinely confidential; why the business plans to disclose that information; whether the business will also receive confidential information from the other party; and to whom the business will disclose that information. For further information, see Precedent: Ireland-Confidentiality agreement-mutual. Parties ☐ Confirm the parties to the agreement. Consider which individuals and/or entities should be party to the agreement. What information does the business want to disclose? ☐ Confirm how confidential information will be defined. Consider: whether a general definition or a list-based approach is appropriate; whether any confidential information belonging to group companies will be disclosed; whether any confidential information will be disclosed to group companies; and whether authorised...

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View the related News about Non Disclosure Agreement (NDA)

NEWS
Illiquidx v Altana Wealth: defining confidential information; NDA expiry and equitable duty of confidence; late-stage amendments, strike-out and summary judgment before trial (England and Wales)

Illiquidx Ltd v Altana Wealth Ltd and others [2024] EWHC 2191 (Ch) What are the practical implications of this case? This ruling underscores for all practitioners the need to pin down, with accuracy, the precise scope of the 'confidential information' their client wishes to shield. It contains takeaways for both transactional and disputes lawyers: from settling the language of a non-disclosure agreement (NDA) to setting out, with particularity, the confidential material in issue and the ways said material is alleged to have been misused. Pitching an over expansive tranche of information as 'confidential' risks a strike-out for abuse of process. By contrast, failing to identify the relevant categories of 'confidential' information at the start, then attempting to widen those categories mid-proceedings, will almost certainly attract robust opposition from a defendant. Here, the claimant was criticised for a succession of amendments since proceedings began in July 2020, said to leave the defendants engaged in a game of 'whack-a-mole' as fresh allegations appeared, with the upshot that the case against...

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NEWS
High Court lets Your Lawyers’ NDA breach claim proceed against Therium and Capital Interchange over VW emissions group action; not a collateral attack; no abuse of process; summary judgment refused

The High Court has ruled that Your Lawyers Ltd may move ahead with its allegation that Capital Interchange Ltd and Therium Capital Management Ltd breached a 2016 non-disclosure agreement tied to a prospective group action over Volkswagen AG’s emissions scandal, a breach said to have resulted in a different firm publicising its own action first. Judge Elizabeth Jones KC dismissed assertions that the suit mounted a challenge to an earlier UK Supreme Court ruling or amounted to an abuse of process. She stated she did not regard the proceedings as a collateral assault on the Supreme Court’s judgment, nor as behaviour likely to bring the administration of justice into disrepute, and therefore not an abuse of the court’s process. The judgment records that the quarrel began after Your Lawyers and litigation funding broker Capital Interchange entered into a non-disclosure pact to secure finance for a planned group claim involving roughly 4,000 would‑be claimants against VW. Capital Interchange then connected Your Lawyers with Therium, a litigation funder...

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NEWS
Employment law 2025 review and 2026 outlook: ERA 2025, industrial action reforms, NDA limits, ET/EAT procedure, NMW/SSP changes, umbrella PAYE, and landmark cases on sex, belief and whistleblowing

What were the key developments in 2025 Employment Rights Act 2025 The Employment Rights Act 2025 (ERA 2025) at last obtained Royal Assent on 18 December 2025. For further detail, see News analysis: Employment Rights Act 2025—what is changing, and when? and Law360: 'Alarm bells ringing' over Employment Rights Act 2025 enforcement. Non-disclosure agreements From 1 August 2025, section A1 of the Higher Education and Research Act 2017 took effect, placing an obligation on the governing bodies of higher education providers not to enter into a non-disclosure agreement (NDA) with an individual member of staff (or a member or student of the provider, or a visiting speaker) where a complaint has been made by them to the provider concerning misconduct or alleged misconduct by any person (‘misconduct’ encompassing bullying, harassment or sexual abuse)...

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View the related Practice Notes about Non Disclosure Agreement (NDA)

PRACTICE NOTES
Commercial NDAs: practical guide to review, key clauses, data protection, IPR, AI, breach management, consideration and execution

This Practice Note This Practice Note serves as a practical ‘how to’ for assessing an NDA (also referred to as a non-disclosure agreement or confidentiality agreement) and directs you to relevant materials. It sets out a snapshot of what an NDA comprises, when it is needed in a commercial deal, and offers a high-level overview of the legal and practical points to weigh up when considering an NDA. For links to fuller guidance on the law of confidentiality, refer to Precedent: Confidentiality—training materials and Confidential information—overview. For further insight into how confidentiality duties are commonly addressed in commercial agreements, see Practice Note: Trade secrets and confidential information—protection and enforcement. Where confidential information is exchanged, the assumption is that the disclosing party will usually prepare and circulate an NDA, with the recipient undertaking review. That said, in many circumstances information flows both ways, making it unclear which side should take responsibility for drafting or reviewing. In all cases, understanding the other party’s position is advantageous whether you are preparing or...

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PRACTICE NOTES
UK W&I insurance in private M&A: lawyers’ practical guide to placement documents, due diligence and underwriting, policy negotiation, key definitions and exclusions, warranty schedules, inception and conditions

Warranty and Indemnity (W&I) insurance in private M&A transactions—guide to the key documents With the marked increase in the uptake of Warranty and Indemnity (W&I) insurance in private M&A deals, solicitors are ever more involved in specifying and negotiating W&I policy terms. Although each policy is shaped to the particular demands of a given transaction, the underlying approach tends to be comparable across matters. Against that backdrop, this Practice Note sets out guidance for legal practitioners on procuring and negotiating W&I insurance (the Placing Process), with emphasis on the paperwork exchanged between W&I brokers and insurers, which must be signed by the insured before the W&I policy incepts. W&I insurance documents Confidentiality undertakings and non-reliance letters The following are standard requirements: Execution of a confidentiality undertaking or non-disclosure agreement (NDA). The W&I insurance broker (Broker) will usually provide the client (or the client’s advisers) with a draft NDA in a form pre-agreed with the W&I insurers. It is generally more efficient to proceed...

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PRACTICE NOTES
Banking and Finance Transactions: Practical Checklists, Flowcharts and Timelines for Lending, Security, Intercreditor, Acquisition/Asset/Real Estate Finance, Capital Markets, Derivatives, Securitisation, Restructuring and Claims

Banking & Finance—checklists and flowcharts Lending Amending a facility agreement—checklist: This checklist identifies matters to verify when revising a facility agreement from the lender’s standpoint, and ensuring compliance with agreed terms and market standards. Drafting a compounded risk-free rate loan: checklist: Presented in table format, this checklist highlights considerations when drafting or updating a facility agreement to operate on a compounded risk‑free rate (RFR) such as SONIA. It explains the intent of key provisions, flags issues to weigh up, and offers drafting pointers for practitioners. Drafting a confidentiality agreement (disclosing party)—checklist: Use this checklist when preparing a confidentiality agreement (also referred to as a non-disclosure agreement or NDA) where you are the party sharing confidential information under the agreement. Reviewing a confidentiality agreement (receiving party)—checklist: Use this checklist when assessing a confidentiality agreement (also referred to as a non-disclosure agreement or NDA) where you are the party receiving confidential information under the agreement. Checklist: practical first steps if your company is considering...

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View the related Precedents about Non Disclosure Agreement (NDA)

PRECEDENTS
IPF standard form NDA and exclusivity agreement for Scottish property transactions: overview, adoption and guidance notes

The Investment Property Forum (IPF) produced this precedent because they recognise it is very common for the parties to a prospective property deal to enter into a non-disclosure agreement (NDA) so they can review certain marketing material and/or commence due diligence...

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PRECEDENTS
Climate-aligned NDA clauses to enable early discussion of environmental goals and climate targets at the outset of commercial relationships (Kaia’s Clause, The Chancery Lane Project)

This clause sets out terms within typical non-disclosure or confidentiality agreements (NDAs), so climate change and environmental matters are addressed from the beginning of fresh business relationships...

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PRECEDENTS
Private M&A asset sale NDA (corporate seller to corporate buyer): long-form confidentiality with optional data sharing, non-solicitation and indemnity provisions (England and Wales)

This Agreement is dated [ insert day and month ] 20[ insert year ] Parties [ insert selling corporate entity ] incorporated in England and Wales under number [ insert company number ] with its registered office at [ insert address ] (the Seller) [ insert name of purchasing corporate entity ] incorporated in England and Wales under number [ insert company number ] with its registered office at [ insert address ] (the Buyer) Each is a Party and, together, the Seller and the Buyer are the Parties. background (A) The Parties intend to engage in negotiations regarding the Proposed Acquisition. (B) To investigate, confer, assess and negotiate the Proposed Acquisition, the Buyer has asked that certain Confidential Information [ (and Personal Data) ] be provided to it so that it may appraise the Business and review and negotiate the terms of the Proposed Acquisition. (C) In consideration of the Seller supplying, and the Buyer obtaining, the...

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