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Court of Appeal upholds finding that patent relating to use of ceric oxide as catalyst for purifying vehicle exhaust gases is valid (Anan Kasei v Neo)

Court of Appeal upholds finding that patent relating to use of ceric oxide as catalyst for purifying vehicle exhaust gases is valid (Anan Kasei v Neo)
Published on: 10 October 2019
Published by: LexisPSL
  • Court of Appeal upholds finding that patent relating to use of ceric oxide as catalyst for purifying vehicle exhaust gases is valid (Anan Kasei v Neo)
  • What are the practical implications of this case?
  • What was the background?
  • The patent and invention
  • The first insufficiency attack advanced
  • The second insufficiency attack advanced
  • What did the court decide?
  • The first insufficiency attack
  • The second insufficiency attack
  • Case details

Article summary

IP analysis: The Court of appeal upheld the High Court’s finding that Anan Kasei’s European patent concerning the use of ceric oxide as a catalyst for purifying vehicle exhaust gases was valid, but dismissed Neo’s appeal relating to procedural issues concerning joint tortfeasors and when a director, shareholder or subsidiary might be held liable in the context of corporate disputes. or take a trial to read the full analysis.

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