“… This is a paradigm of the situations in which this court should be cautious about substituting its own evaluation. As Lord Hoffman said in Biogen Inc v Medeva [1996] UKHL 18 at 54:…”
“…fact. But it goes further than that. It applies also to the judge's evaluation of those facts. ...". Lord Hoffman cited his own judgment in Biogen Inc v Medeva [1996] UKHL 18 (a patent case) to the effect that “… findings of fact, even by the most meticulous judge, are inherently an incomplete statement of the impression which was m…”