Anglo-American private law has been a far more complex phenomenon than has been usually recognized. Attempts to reduce it to a single explanatory principle, or to a precisely classified or categorized map, scheme, or diagram, are liable to distort the past by omitting or marginalizing material inconsistent with proposed principles or schemes. This study will be of importance to all who are interested in property, tort, contract, unjust enrichment, legal reasoning, legal method, the history of the common law, and the relation between legal theory and legal history.

The phrase 'sanctity of contracts' implies that contracts should always be strictly enforced. But when this objective is relentlessly implemented ruinous burdens are sometimes imposed on one party and extravagant enrichments conferred on the other. Despite recognition of the need to control highly unreasonable contracts in various particular contexts, there remain many instances in which the courts have refused to modify unreasonable contracts, sometimes with extravagant results that are avowedly 'grotesque'. In the computer age assent may be inferred from a click on a screen in the absence of any real agreement to the terms, which are often very burdensome to the user. In this book, arguments are advanced in favour of recognition of a general judicial power to relieve against highly unreasonable contracts, not only for the benefit of the disadvantaged party, but for the avoidance of unjust enrichment, and for the avoidance of anomalous gaps in the law.

Although presented as being derived from the past, principles in contract law have been subject to constant reformulation, thereby facilitating legal change while simultaneously seeming to preclude it. Principle and policy have been mutually interdependent, propositions not usually being called principles unless they have been perceived to lead to just results in particular cases, and as likely to produce results in future cases that accord with common sense, commercial convenience and sound public policy. The influence of policy has been frequent in contract law, but Stephen Waddams argues that an unmediated appeal to non-legal sources of policy has been constrained by the need to formulate generalised propositions recognised as legal principles. This interrelation of principle and policy has played an important role in enabling an uncodified system to hold a middle course between a rigid formalism on the one hand and an unconstrained instrumentalism on the other.

Although presented as being derived from the past, principles in contract law have been subject to constant reformulation, thereby facilitating legal change while simultaneously seeming to preclude it. Principle and policy have been mutually interdependent, propositions not usually being called principles unless they have been perceived to lead to just results in particular cases, and as likely to produce results in future cases that accord with common sense, commercial convenience and sound public policy. The influence of policy has been frequent in contract law, but Stephen Waddams argues that an unmediated appeal to non-legal sources of policy has been constrained by the need to formulate generalised propositions recognised as legal principles. This interrelation of principle and policy has played an important role in enabling an uncodified system to hold a middle course between a rigid formalism on the one hand and an unconstrained instrumentalism on the other.

Anglo-American private law has been a far more complex phenomenon than has been usually recognized. Attempts to reduce it to a single explanatory principle, or to a precisely classified or categorized map, scheme, or diagram, are liable to distort the past by omitting or marginalizing material inconsistent with proposed principles or schemes. This study will be of importance to all who are interested in property, tort, contract, unjust enrichment, legal reasoning, legal method, the history of the common law, and the relation between legal theory and legal history.

The phrase 'sanctity of contracts' implies that contracts should always be strictly enforced. But when this objective is relentlessly implemented ruinous burdens are sometimes imposed on one party and extravagant enrichments conferred on the other. Despite recognition of the need to control highly unreasonable contracts in various particular contexts, there remain many instances in which the courts have refused to modify unreasonable contracts, sometimes with extravagant results that are avowedly 'grotesque'. In the computer age assent may be inferred from a click on a screen in the absence of any real agreement to the terms, which are often very burdensome to the user. In this book, arguments are advanced in favour of recognition of a general judicial power to relieve against highly unreasonable contracts, not only for the benefit of the disadvantaged party, but for the avoidance of unjust enrichment, and for the avoidance of anomalous gaps in the law.