Commercial contracts commonly require one or both parties to use “reasonable”, “all reasonable” or “best” endeavours to achieve some goal, or to act or negotiate in “good faith”. Despite the frequency with which such terms are used, there is a surprising lack of clarity in the case law as to what they actually mean in practice.

Caroline Kehoe has published an article in the New Law Journal which considers the case law and draws together the threads. Click here to download a pdf.