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Why Does Lord Denning's Lead Balloon Intrigue Us Still? The Prospects Of Finding A Unifying Principle For Duress, Undue Influence And Unconscionability, Marcus Moore

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To this day, Lord Denning’s opinion in Lloyds Bank v Bundy remains a staple of first-year Contracts courses in law faculties across the common law world. After surveying doctrines such as duress, undue influence, and unconscionable bargains, Denning posited that they were instances of an underlying principle permitting avoidance of a contract for “inequality of bargaining power”. Although rejected by the House of Lords, Denning’s proposition has intrigued Contract scholars for more than four decades. Subsequent attempts to “fix” Denning’s thesis have fallen short. Yet, authors of Contract textbooks persist in asking whether the doctrines might yet be unified in …