G I Marketing CC v Fraser-Johnston (172/94)
G I Marketing CC v Fraser-Johnston (172/94) [1995] ZASCA 131; [1996] 1 All SA 1 (A) (20 November 1995)
The court dismissed an appeal in a patent revocation dispute, holding key claims of two patents lacked novelty and that one claim was ambiguous.
- Patent Revocation
- Novelty
- Obviousness
- Ambiguity
- State Of The Art
- Amendment Of Patent Claims