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England and Wales Case Law

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Intellectual property

QMC Instruments Limited v Celtic Terahertz Technology Limited & Ors

The claims raise triable issues of fact and law regarding the construction of the 1991 and 2001 agreements, the scope of any exclusive rights, and the existence of equitable duties; the evidence is insufficiently particularised for summary judgment, and the matter requires a full trial.

Source excerpt

  • Exclusive licence
  • Copyright infringement
  • Know-how
  • Derivative claim
  • Summary judgment
  • Equitable relief
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Intellectual property [2025] EWHC 3485 (IPEC)

QMC Instruments Ltd v Celtic Terahertz Technology Ltd & Ors

QMC Instruments Ltd v Celtic Terahertz Technology Ltd & Ors [2025] EWHC 3485 (IPEC) (26 November 2025)

The court refused QMC Instruments’ summary judgment bid in an MMF rights dispute, holding the key contract meanings and alleged duties needed trial.

  • Exclusive licence
  • Copyright infringement
  • Know-how
  • Derivative claim
  • Summary judgment
  • Equitable relief
Read case analysis

About this LexChat collection

England and Wales decisions are organised by court, judge, legal area and indexed issue so a practitioner can move from a proposition to a citable authority with the surrounding context intact.

Source links and collection timestamps are retained alongside the indexed records.