Reports of Patent, Design and Trade Mark Cases 2004 121(3):87-135; doi:10.1093/rpc/2004rpc5
© 2004 by Crown Copyright
© Crown Copyright
[2004] R.P.C. 5
KAVANAGH BALLOONS PTY LTD v CAMERON BALLOONS LTD
Patents County Court
(His Honour Judge Fysh Q.C.): January 21–24 and 27–29, March 31, 20031
[2004] R.P.C. 5
Patent—Hot-air balloon—Prior use—Whether confidential—Standard of proof—Whether prior use must be proved "up to the hilt"—Anticipation—Obviousness—Construction of claim—Infringement.
1 Paragraph numbers in this judgment are as assigned by the court.

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