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Jurisdiction(s):
United Kingdom
Related legal acts
Key definition
Use definition

What does Use mean? In legal practice, Use describes any act of dealing with information, materials, works, data or technology. It is usually a contractual umbrella term capturing a broad range of actions, commonly including to distribute, disclose, store, use, analyse, copy, reproduce, extract, modify or adapt, whether in whole or in part. Use is not generally fixed by statute; its scope turns on the wording of the relevant agreement and context. That said, it intersects with specific legal regimes. In intellectual property, “use” of a trade mark in the course of trade (UK Trade Marks Act 1994; Irish Trade Marks Act 1996) and the...

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Cause of action estoppel: elements, merits requirement, identity of causes, absolute bar; relationship with issue estoppel and Henderson abuse; multi-party and interim issues; trade mark opposition; evidential materials considered

Practice notes
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Cause of action Estoppel is a sub-category of the doctrine of Res judicata (see Practice Note: The doctrine of res judicata). Alongside the general key requirements for proving res judicata (see Practice Note: Key requirements to establish a res judicata), this Practice Note addresses the particular criteria for establishing a cause of action estoppel. For guidance on issue estoppel, see Practice Note: Issue estoppel.

What is cause of action estoppel?

  • the same parties, or those in privity with them; and
  • the dispute concerns the same subject matter, and a second claim advances a cause of action identical to that pursued in the first claim (Arnold v National Westminster)
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Jack Mitchell
Jack Mitchell

Jack Mitchell specialises only in employment law and advises on the entire spectrum of claims, but is best known for work on whistleblowing and discrimination claims. He advises on the commercial aspects of employment, providing advice to both corporate and individual clients on a broad range of commercial matters including breach of contract claims, shareholder disputes and partnership issues.He is regularly instructed in large complex claims in all areas of employment law, from Tribunals to High Court claims and appeals at all levels.Jack has been elected to ELBA (Employment Law Bar Association) and has been appointed its Treasurer. Other publications:Whistleblowing: Law and PracticeFourth Edition (2022), Third Edition (2017), Second (2012) and First (2007), with Jeremy Lewis KC, John Bowers KC and Martin Fodder.Published by Oxford University Press (This should include an outline of the most important points of your career. It should not exceed 250 words in...

Web page updated on 21/05/2026

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Date [ date ] Parties [ name of Landlord ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Landlord) [ name of Tenant ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Tenant) [ [ name of Guarantor ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Guarantor) ] [ [ name of Mortgagee ] [ of OR incorporated in England and Wales (company registration number [ number ]) with its registered office at ] [ address ] (Mortgagee) ] Definitions Within this Deed, the terms below shall be interpreted as follows: [ Annual Rent • the annual sum reserved under the Lease; ] [ Insurance Rent • the Tenant’s share of the Landlord’s costs of insuring the Property (as set out in the Lease); ] Lease • the lease of the Property dated [ date ], entered into between (1) [ the Landlord OR [ name ...

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