Theories of Intellectual Property
Study of Industrial and Intellectual Property Rights · Unit II · Topic 3 of 15 · 9 min read
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Cases checked to exist. Read the judgment before quoting a holding.
Every case cited here has been checked to exist — the citation resolves and names the right parties. The propositions attributed to each case have not been verified line by line against the judgment. Case names link through to the full judgment: read it before quoting a holding in an examination answer, and never carry a proposition from notes into court on trust.
1. Why IP needs a theory
Ordinary property in land and goods is justified partly by scarcity: two people cannot eat the same apple. Ideas are not scarce in that sense. Copying a song leaves the original intact. An exclusive right over an idea is therefore a restriction on what others would otherwise be free to do, and it needs a justification. The theory chosen matters in practice: it shapes how long the right lasts, how broad it is, and how generously exceptions are read.
2. Labour theory (John Locke)
In the Second Treatise of Government (1690), chapter V, Locke argued that every man has property in his own person, and so in the labour of his body. When he mixes his labour with something in the common, he makes it his own, provided he leaves “enough, and as good” for others and takes no more than he can use without waste. Applied to IP, the raw materials of thought (facts, ideas, the public domain) are the commons; the author or inventor who works on them earns a right to the result.
Fit. The theory explains the intuition that copying another's work is reaping where one has not sown, the basis of the old “sweat of the brow” approach to copyright.
Objections. (i) Robert Nozick asked why mixing labour with something should gain the thing rather than lose the labour (pour tomato juice into the sea and you do not own the sea). (ii) It does not explain why the right should be limited in time. (iii) The proviso may be breached: a patent on a basic research tool does not leave “enough and as good” for others. (iv) Courts have moved away from labour alone. In Feist Publications v. Rural Telephone Service (US Supreme Court, 1991) a telephone directory, however laborious, was refused copyright for want of originality. The Indian Supreme Court in Eastern Book Co. v. D.B. Modak (2007) rejected pure sweat of the brow and required a minimal degree of creativity, though it protected the copy-edited judgments in issue on that lower standard.
3. Personality theory (Hegel)
In the Philosophy of Right (1821) Hegel treated property as the external embodiment of the will: a person realises himself by putting his will into things. Intellectual creations are the most personal of such embodiments. Kant had earlier argued that a book is the author's speech to the public and cannot be published without his consent.
Fit. The theory explains moral rights: the rights of attribution and integrity, which survive assignment of the economic rights. Section 57 of the Copyright Act, 1957 gives the author these rights, and the Delhi High Court in Amar Nath Sehgal v. Union of India (2005) awarded damages when the government dismantled and stored a mural the sculptor had made for Vigyan Bhawan.
Objections. It fits poorly with patents and trademarks, which carry little of the creator's personality; it cannot easily explain corporate ownership; and it says nothing about how long the right should last.
4. Utilitarian or incentive theory
Following Bentham and Mill, the right is justified only by its results. Without protection, free-riders copy at low cost, so creators cannot recover investment and under-invest. A limited exclusive right corrects this; the term should be set where the marginal benefit of more innovation equals the marginal cost of higher prices and restricted access. Landes and Posner, in The Economic Structure of Intellectual Property Law (2003), developed this analysis in detail. The US Constitution states the theory in its clause empowering Congress “to promote the Progress of Science and useful Arts” by securing exclusive rights “for limited Times” (Art I, s.8, cl.8).
Variants:
- Reward theory. Society rewards the inventor for a useful contribution.
- Contract or disclosure theory. The patent is a bargain: the state grants a monopoly in exchange for full disclosure in the specification, which enriches public knowledge when the term ends. This is why insufficiency of disclosure is a ground of revocation.
- Prospect theory (Edmund Kitch, 1977). An early, broad patent lets one firm coordinate development of a field, as a mining claim does, avoiding wasteful duplication.
Objections. The empirical case is uneven. Surveys of firms (the Mansfield studies in the US, 1986) found that patents mattered greatly in pharmaceuticals and chemicals but little in most other industries, where lead time and secrecy were more important. Fritz Machlup's 1958 report to the US Senate concluded that the evidence did not settle whether the patent system was a net benefit. The incentive argument also says nothing about distribution: a drug may be invented, but priced beyond those who need it.
5. Natural law, reward, prospect and Schumpeterian theories
The KSLU syllabus names these separately, and each can be set as a short note.
Natural law theory. The creator has a right to the product of his mind that exists before and apart from the state; legislation only recognises it. The French patent law of 1791 opened by declaring that a new discovery or invention is the property of its author. Article 27(2) of the Universal Declaration of Human Rights (1948) and Article 15(1)(c) of the International Covenant on Economic, Social and Cultural Rights (1966) recognise everyone's right to the protection of the moral and material interests resulting from his scientific, literary or artistic production. The objection was put by Thomas Jefferson in his 1813 letter to Isaac McPherson: an idea, once spoken, belongs to everyone, and an exclusive right over it is a creation of society for its own benefit, not a natural right. A natural right would also be perpetual, which no IP right (other than marks) is.
Reward theory. The inventor or author deserves a reward proportioned to the usefulness of his contribution, and the market, through the exclusive right, measures that usefulness. John Stuart Mill defended patents in these terms in his Principles of Political Economy (1848). It differs from the incentive theory in looking backwards (desert for what was done) rather than forwards (inducing what would not otherwise be done). Critics ask why the reward must be a monopoly rather than a prize or a public purchase of the patent, proposals that Michael Kremer and others have revived for medicines.
Prospect theory. Edmund Kitch, in “The Nature and Function of the Patent System” (Journal of Law and Economics, 1977), compared a patent to a mining claim: granted early and broadly, it lets one firm manage the exploration of a technological prospect, coordinate improvements and license others, and avoids wasteful races. Robert Merges and Richard Nelson (Columbia Law Review, 1990) answered that competition among many firms, not coordination by one, has driven improvement in most industries, so broad early patents slow progress. Michael Heller and Rebecca Eisenberg's “anticommons” argument (Science, 1998) adds that many overlapping upstream patents can block downstream research. Indian law, with narrow claim construction and section 3(d), leans towards the competition view.
Schumpeterian theory. Joseph Schumpeter, in Capitalism, Socialism and Democracy (1942), described capitalism as a process of “creative destruction” in which innovation by entrepreneurs, not price competition, is the engine of growth. Temporary monopoly profits are what make innovation worth the risk, and large firms with market power are well placed to invest in research. IP rights are the legal form of that temporary monopoly. Kenneth Arrow (1962) argued the opposite: a firm already enjoying monopoly has less reason to innovate, because the new product only replaces its existing profits. The debate bears directly on how IP and competition law meet: TRIPS Article 40 and section 3(5) of the Competition Act, 2002 protect reasonable IP licensing conditions but not abuse.
6. Social planning theory
This view, associated with Neil Netanel and William Fisher, asks what IP rules would help build a just and attractive culture: a vibrant public domain, democratic participation, access to knowledge. It supports strong exceptions (fair dealing, education, access for persons with disabilities) and is the theory behind the development argument in TRIPS Articles 7 and 8, which make protection conditional on contributing “to the promotion of technological innovation and to the transfer and dissemination of technology” in a manner conducive to social and economic welfare.
7. Theories of trademarks
Marks are justified differently. They do not reward creation; they lower consumers' search costs and give firms a reason to maintain quality. The right therefore lasts as long as the mark distinguishes, and it is infringed by confusion rather than copying. Dilution protection for well-known marks goes further and is defended on a property-like theory of brand value, which is why it is contested.
8. A balanced conclusion
No single theory explains the whole field. Labour and personality explain why copying feels wrong; utilitarian theory explains why the right is limited; social planning explains the exceptions and the development concerns. A good answer says that the theories are complementary, that the utilitarian one best explains the statutes, and that its empirical premise varies by industry, which is why TRIPS leaves members room to tailor exceptions.
How this is examined
Set as a short note in 2024 (Q7(a), “Theories of IPR”). Name the four theories with their authors, give two lines of objection for each, and close with section 83 and Novartis. For a 16-mark essay on the justification of IP, add the public goods problem from the first note and the empirical studies in section 4. Where the question lists the theories in the KSLU syllabus (natural law, Hegelian, Lockean, incentive, reward, prospect, Schumpeterian), add section 5 and take each in a paragraph.
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