Tanmoy Bhattacharyya on American Jurisprudence (Ten Lectures)
Tanmoy Bhattacharyya on American Jurisprudence
American law does not present itself as a single, integrated body of commands issued from a unified sovereign; rather, it resembles a sprawling, polycentric architecture whose components interact in ways that are often harmonious, frequently overlapping, and occasionally antagonistic. It is a legal terrain defined as much by jurisdictional differentiation as by substantive norms. The United States, from its constitutional founding forward, rejected a vision of law as merely a set of positive enactments and embraced instead a structure in which different normative sources coexist, each claiming authority in its own register. The result is not a hierarchy in the strict sense but a dynamic constellation in which certain texts and institutions have primacy, yet that primacy is shaped, conditioned, and sometimes eroded by the practices of courts, legislatures, administrative agencies, and the vast interpretive communities that surround them.
At the structural pinnacle stands the federal Constitution, drafted in the summer of 1787 by delegates who understood their work not as crafting ordinary legislation but as constructing a framework for a new political order. Amendments to that document remain deliberately difficult to secure: Article V was designed to impose formidable obstacles to hasty revision by distributing veto points between Congress and the states. Because amendments require supermajorities in both national legislative chambers and assent from three-fourths of the states, the Constitution has become less a mutable statute and more a quasi-sacrosanct charter whose interpretive expansion is left primarily to the judiciary rather than to the amending process. Although scholars disagree about whether the difficulty of amendment empowers courts at the expense of democratic responsiveness, the practical consequence is clear: the Constitution functions as a set of broad commitments that courts must translate into doctrines capable of governing granular disputes that the eighteenth-century framers could scarcely have anticipated—controversies involving digital surveillance, administrative complexity, biotechnology, and other domains unknown in the founding era.
Beneath this national charter sits a multiplicity of state constitutions, each of which reflects the specific political culture, history, and institutional imagination of the state that produced it. These subnational charters vary dramatically in length and level of detail. Some states, such as Vermont or Rhode Island, maintain relatively compact constitutions that identify broad structural features and rights guarantees. Others—Alabama being the most notorious example—generate documents of extraordinary prolixity, accreting amendments over decades in a manner more akin to municipal zoning codes than foundational political texts. The sheer density of many state constitutions means that they function in practice as hybrid instruments, combining structural norms with policy directives that in other systems would appear only in ordinary statutes. Yet these constitutions remain supreme within their respective jurisdictions, outranking state statutes and judicial decisions and establishing constraints on state governmental power that may be more demanding than those imposed by the federal Constitution.
All states except Louisiana inherited the English common law when they became independent entities, a legacy that continues to shape private law domains such as contracts, torts, property, and unjust enrichment. Although these bodies of law have been modified—sometimes dramatically—through statutes, regulations, or judicial innovation, their historical lineage remains visible in doctrinal terminology, conceptual frameworks, and interpretive techniques. Louisiana stands as an outlier, not because it wholly rejected common-law methods but because its early development followed a civil-law model derived from French and Spanish sources. Even there, however, federal influence and commercial necessity gradually pushed much of Louisiana’s public and economic law into functional alignment with the common-law world, producing a hybrid legal culture unique within the United States.
Within this intricate system, four primary sources of law operate concurrently. Constitutions—federal and state—define the structural conditions of governance and the fundamental rights of individuals. Statutes enacted by Congress, state legislatures, and local bodies supply specific policy choices and rules of general applicability. The common law, generated through judicial decisions, fills gaps, resolves conflicts, and supplies principles that guide conduct in the absence of statutory direction. And administrative law, which has expanded dramatically since the twentieth century’s embrace of expert bureaucratic governance, produces a dense network of rules, formal adjudications, and executive directives that regulate entire sectors of social and economic life. Each of these sources can override, supplement, or contextualize the others: an agency rule may implement a statute; a statute may codify or displace common-law doctrine; a judicial opinion may invalidate a statute under a constitutional provision; a constitution may authorize or constrain the creation of agencies. The result is not linear but iterative, a continuous institutional dialogue rather than a chain of command.
Alongside these primary sources exists an enormous domain of secondary materials—treatises, hornbooks, law-review essays, restatements, model codes, uniform acts, and practitioner commentary—that, while formally nonbinding, shape the reasoning of courts and the expectations of lawyers. The Restatements of Law published by the American Law Institute hold a special place in this constellation. Although they do not carry the authority of statutes, courts cite them with frequency sufficient to give them quasi-canonical status. Their influence stems from the perception that they distill the best doctrinal reasoning from a wide array of jurisdictions and present it in precise and analytically rigorous form. Indeed, in some fields—particularly torts, contracts, and agency—judicial opinions treat Restatement formulations almost as if they were authoritative codifications of prevailing doctrine. Uniform acts such as the Uniform Commercial Code similarly provide harmonizing frameworks that many states adopt wholesale or with only minor modifications, thereby creating islands of nationwide consistency within an otherwise decentralized system.
The judicial infrastructure that interprets these materials is itself dual. Each state maintains its own hierarchical structure of trial courts, intermediate appellate courts (except in a few states that omit this tier), and a court of last resort. Parallel to these exist the federal district courts, the federal courts of appeals organized into regional circuits, and the U.S. Supreme Court. The allocation of jurisdiction between these systems is intricate but not inscrutable: federal courts hear disputes involving federal statutes, treaties, and constitutional questions, as well as suits between citizens of different states exceeding a statutorily defined monetary threshold. State courts, by contrast, possess general jurisdiction and may hear nearly any case not expressly reserved to the federal system; indeed, they also hear many federal-law claims unless Congress has vested exclusive jurisdiction in the federal courts. Litigants often navigate strategically between these systems, seeking the forum that offers doctrinal advantage, procedural benefit, or more favorable judicial ideology.
The procedural and remedial distinctions that once divided law from equity have largely vanished due to reform movements culminating in the Federal Rules of Civil Procedure of 1938 and later state analogues. Historically, chancery courts could provide remedies—such as injunctions or specific performance—that common-law courts could not. Today, the merger of these systems means that a single court may grant both legal and equitable remedies, although remnants of the old division persist in doctrines such as the right to jury trial or the standards governing equitable relief. The erosion of this divide reflects the general American preference for procedural simplicity over formalistic adherence to inherited institutional categories.
Substantively, American law is stratified across multiple conceptual axes: civil versus criminal, public versus private, substantive versus procedural. Criminal law, once a creation of the judiciary in the English tradition, has become overwhelmingly statutory, though many offenses retain common-law nomenclature. Legislative codification has expanded criminal liability into domains—such as environmental crimes, complex frauds, and regulatory violations—that would be incomprehensible under earlier common-law frameworks. Civil law, however, remains tethered to common-law principles in many areas. Contract doctrine, for example, continues to draw heavily on case law, notwithstanding partial codification in the Uniform Commercial Code. Tort law, similarly, evolves incrementally through judicial decisions even as legislatures periodically intervene to impose damage caps, redefine liability standards, or regulate insurance markets. Property law, with its historical roots in feudal tenure, maintains traditional classifications but adapts to contemporary needs through judicial innovation or statutory reform governing land use, zoning, environmental regulation, and intellectual property.
Perhaps the most distinctive feature of the Anglo-American legal tradition—indeed the feature that differentiates it most strikingly from systems grounded primarily in civil-law codes—is the doctrine of stare decisis. Under vertical stare decisis, lower courts are bound to follow the decisions of higher courts within the same jurisdiction; under horizontal stare decisis, courts generally adhere to their own prior decisions unless compelling reasons justify departure. This doctrine serves multiple normative functions: it promotes stability and predictability, constrains judicial discretion, and ensures equal treatment of similar cases. Yet the doctrine is not an iron cage. Appellate courts, and especially the U.S. Supreme Court, frequently emphasize that precedent must yield when it is unworkable, erroneous, conceptually inconsistent with later developments, or in conflict with fundamental constitutional values. In constitutional adjudication, the Court has shown a particular willingness to discard earlier rulings—sometimes after decades of entrenched reliance—on the ground that a new interpretive approach more faithfully captures the Constitution’s meaning.
These reversals are not mere technical corrections; they can reshape the entire legal landscape. The Court’s abandonment of Plessy in Brown transformed both constitutional doctrine and American society. Its repudiation of Bowers in Lawrence reaffirmed principles of substantive liberty in the domain of intimate conduct. And in Dobbs, the rejection of Roe and Casey reshaped the jurisprudence of bodily autonomy, state regulatory authority, and substantive due process. Although scholars debate whether the Court should treat constitutional precedents with greater reverence than statutory ones—given the difficulty of amending the Constitution—the Court has often taken the opposite approach, reasoning that Congress can revise statutory interpretations it dislikes, whereas constitutional rulings, if wrong, might remain indefinitely unless the Court itself corrects them.
From these features emerges a legal culture marked by perpetual dialogue and contestation. American law evolves not through unilateral pronouncements but through the friction of institutional interaction: Congress legislates, agencies regulate and adjudicate, courts review and reinterpret, states experiment with divergent policy architectures, and litigants continually press new readings of old texts. The system embraces conflict as a generative force, and its doctrines often crystallize only after decades of iterative refinement. The sheer multilayered complexity of this architecture means that no single narrative can capture the system’s full character. It is simultaneously a historical inheritance and a site of constant reinvention; an instrument of governance and a language through which the nation articulates its most contested values.
At the end of my first lecture, American law is best understood not as a static corpus of rules but as an evolving ecosystem shaped by institutions that are themselves products of political, economic, and cultural forces. Its legitimacy rests on a delicate equilibrium between continuity and change, constraint and creativity, authority and pluralism. The system’s great paradox—its seeming disorder and its enduring resilience—reflects a belief that law, in a democratic society, must be sufficiently stable to guide conduct yet sufficiently flexible to accommodate new experiences. It is in this tension, endlessly renegotiated, that the distinctive character of American law becomes visible.
