ICI Chemicals & Polymers Ltd v Lubrizol Corporation Inc [2000] FCA 1349

ICI Chemicals & Polymers Ltd v Lubrizol Corporation Inc [2000] FCA 1349

The court held that the patent claims (excluding abandoned claims) were novel as the prior art did not sufficiently disclose combinations with HFC refrigerants, the invention involved an inventive step given unsuccessful prior attempts and lack of obviousness, there was no relevant false suggestion or representation materially inducing the grant, the remaining claims were fairly based on the description, the proposed amendment merely clarified rather than extended the disclosure, and the valid claims were infringed by the appellants.

Parties
Appellant and Cross Respondent: ICI Chemicals & Polymers Limited; First Appellant and First Cross Respondent: Woolworths Limited; Second Appellant and Second Cross Respondent: Austral Refrigeration Pty Limited; Third Appellant and Third Cross Respondent: Woolworths (Victoria) Pty Limited; Fourth Appellant and Fourth Cross Respondent: Lawrence Refrigeration Pty Limited; Respondent and Cross Appellant: The Lubrizol Corporation Inc
Jurisdiction
Australia
Judgment Date
20 September 2000
Procedural Posture
Appeal / Full Court Judgment After Cross Appeals on Validity, Amendment and Infringement of Patent
Outcome
Appeal dismissed, cross-appeal allowed; orders deferred for minutes to be prepared by Lubrizol.
Legal Topics
Patent Novelty, Obviousness, Inventive Step, False Suggestion or Representation, Fair Basis, Specification Amendment, Patent Infringement
Intellectual Property Patents Patent Novelty Obviousness Inventive Step False Suggestion or Representation Fair Basis Specification Amendment +1 more

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Parties

ICI Chemicals & Polymers Limited

Appellant and Cross Respondent

Woolworths Limited

First Appellant and First Cross Respondent

Austral Refrigeration Pty Limited

Second Appellant and Second Cross Respondent

Woolworths (Victoria) Pty Limited

Third Appellant and Third Cross Respondent

Lawrence Refrigeration Pty Limited

Fourth Appellant and Fourth Cross Respondent

The Lubrizol Corporation Inc

Respondent and Cross Appellant

Procedural Posture

Appeal / Full Court Judgment After Cross Appeals on Validity, Amendment and Infringement of Patent

Legal Issues

  1. 1 Whether patent claims lacked novelty due to anticipation by prior United States patents
  2. 2 Whether claims lacked inventive step (obviousness) in light of common general knowledge at the priority date
  3. 3 Whether the patent was obtained on a false suggestion or representation

Ratio Decidendi

The court held that the patent claims (excluding abandoned claims) were novel as the prior art did not sufficiently disclose combinations with HFC refrigerants, the invention involved an inventive step given unsuccessful prior attempts and lack of obviousness, there was no relevant false suggestion or representation materially inducing the grant, the remaining claims were fairly based on the description, the proposed amendment merely clarified rather than extended the disclosure, and the valid claims were infringed by the appellants.

Court Disposition

Appeal dismissed, cross-appeal allowed; orders deferred for minutes to be prepared by Lubrizol.

Orders

  • Lubrizol to file and serve draft short minutes of orders by 4 October 2000 for settlement of orders.