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Intellectual Property Law

Intellectual Property Law (5th edn)

Lionel Bently, Brad Sherman, Dev Gangjee, and Phillip Johnson
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date: 30 September 2022

p. 91334. Damagelocked

p. 91334. Damagelocked

  • L. Bently, L. BentlyHerchel Smith Professor of Intellectual Property, University of Cambridge
  • B. Sherman, B. ShermanProfessor of Law, University of Queensland
  • D. GangjeeD. GangjeeAssociate Professor of Intellectual Property Law, University of Oxford
  •  and P. JohnsonP. JohnsonProfessor of Commercial Law, Cardiff University

Abstract

This chapter examines one element that a claimant must prove to sustain a passing off action: the requirement that they have suffered, or are likely to suffer, damage as a result of the defendant’s misrepresentation. It first considers four types of damage that have been recognized by the courts in connection with misrepresentation: loss of existing trade and profits; loss of potential trade and profits; damage to reputation; and dilution. It then discusses the notion of extended passing off and its three elements: goodwill, misrepresentation, and damage. It also looks at the principles of unfair competition and their relevance in the UK.

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