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Intellectual property [2025] EWHC 3181 (Pat)

Fujikura Ltd & Anor v Sterlite Technologies Ltd

Fujikura Ltd & Anor v Sterlite Technologies Ltd [2025] EWHC 3181 (Pat) (04 December 2025)

The Patents Court held Fujikura’s amended patent valid and infringed by Sterlite’s Celesta optical fibre cables, rejecting insufficiency, obviousness and clarity challenges.

  • Patent infringement
  • Patent validity
  • Claim construction
  • Obviousness
  • Sufficiency
  • Industrial design
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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.