Monsanto Company v MDB Animal Health (Pty) Ltd (formerly MD Biologics CC) (467/99) [2001] ZASCA 4; 2001 (2) SA 887 (SCA) (26 February 2001)

Monsanto Company v MDB Animal Health (Pty) Ltd (formerly MD Biologics CC) (467/99) [2001] ZASCA 4; 2001 (2) SA 887 (SCA) (26 February 2001)

The Supreme Court of Appeal held that the patent specification did not intend to limit the term 'oil' to glyceryl esters of fatty acids or vegetable oils. The specification, read as a whole, focuses on the physical properties and biocompatibility of the carrier, not its chemical composition. The underlined sentence in the specification extends the meaning of 'oil' to include fats that are liquid at body temperature, not to restrict it. The evidence established that Vitamin E possesses all the physical characteristics of an oil and is commonly described as such in scientific literature and by the respondent itself. Therefore, alpha tocopherol acetate (Vitamin E) is an 'oil' within the...

Citation
[2001] ZASCA 4
Parties
Appellant: Monsanto Company; Respondent: MDB Animal Health (Pty) Ltd (formerly MD Biologics CC)
Court
Supreme Court of Appeal
Jurisdiction
South Africa
Judgment Date
26 February 2001
Case Number
467/99
Procedural Posture
Civil Appeal / Appeal From the Commissioner of Patents
Outcome
Appeal upheld. Declaratory order of infringement granted. Costs awarded to appellant.
Judges
Harms, Streicher, Navsa, Brand, Nugent
Legal Topics
Patent Infringement, Patent Claim Construction, Definition of Oil, Biocompatibility, Pharmaceutical Carriers
Intellectual Property Patent Infringement Patent Claim Construction Definition of Oil Biocompatibility Pharmaceutical Carriers

Case Brief

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Parties

Monsanto Company

Appellant

MDB Animal Health (Pty) Ltd (formerly MD Biologics CC)

Respondent

Procedural Posture

Civil Appeal / Appeal From the Commissioner of Patents

Legal Issues

  1. 1 Whether alpha tocopherol acetate (Vitamin E) is an 'oil' within the meaning of the patent specification.
  2. 2 Whether the respondent's product 'Hilac' infringes claims 1, 2, 4 and 5 of SA Patent 85/7642.

Ratio Decidendi

The Supreme Court of Appeal held that the patent specification did not intend to limit the term 'oil' to glyceryl esters of fatty acids or vegetable oils. The specification, read as a whole, focuses on the physical properties and biocompatibility of the carrier, not its chemical composition. The underlined sentence in the specification extends the meaning of 'oil' to include fats that are liquid at body temperature, not to restrict it. The evidence established that Vitamin E possesses all the physical characteristics of an oil and is commonly described as such in scientific literature and by the respondent itself. Therefore, alpha tocopherol acetate (Vitamin E) is an 'oil' within the...

Court Disposition

Appeal upheld. Declaratory order of infringement granted. Costs awarded to appellant.

Orders

  • The appeal succeeds with costs, including the costs of two counsel.
  • The order of the court below is set aside and substituted with an order declaring that the defendant, by importing and selling the product 'Hilac', is infringing claims 1, 2, 4 and 5 of SA Patent 85/7642.