Stretchline Intellectual Properties Ltd v H&M Hennes & Mauritz Ltd

Stretchline Intellectual Properties Ltd v H&M Hennes & Mauritz Ltd

The skilled person would interpret the patent claim as requiring the fusible yarn to bond with other yarns to increase penetration resistance, not to form a discrete, continuous layer, and the claim does not require an absolute barrier but a higher resistance than conventional fabric.

Parties
Claimant/respondent: Stretchline Intellectual Properties Limited; Defendant/appellant: H&M Hennes & Mauritz Limited
Jurisdiction
England and Wales
Judgment Date
30 March 2017
Procedural Posture
Civil Appeal / Court of Appeal Judgment
Outcome
Appeal dismissed
Legal Topics
Patent Construction, Settlement Agreement Breach, Patent Infringement, Patent Validity
Intellectual Property Contract Patent Construction Settlement Agreement Breach Patent Infringement Patent Validity

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Parties

Stretchline Intellectual Properties Limited

Claimant/respondent

H&M Hennes & Mauritz Limited

Defendant/appellant

Procedural Posture

Civil Appeal / Court of Appeal Judgment

Legal Issues

  1. 1 Correct construction of patent claim regarding fusible yarn forming a penetration barrier
  2. 2 Whether breach of settlement agreement occurred based on patent claim interpretation

Ratio Decidendi

The skilled person would interpret the patent claim as requiring the fusible yarn to bond with other yarns to increase penetration resistance, not to form a discrete, continuous layer, and the claim does not require an absolute barrier but a higher resistance than conventional fabric.

Court Disposition

Appeal dismissed

Orders

  • Judge's construction of patent claim upheld
  • No further relief granted