Copyright, patents and trade secrets are usually associated with modern legislation, printing technologies, digital media and industrial innovation. Yet many underlying questions are far older: must a speaker attribute ideas to their source, may another publisher profit from a creator’s investment, and when does protecting knowledge give way to a public interest in sharing it?
Jewish law (halakha) did not historically develop a unified statutory intellectual property regime comparable to contemporary copyright and patent legislation. Rabbinic discussions instead draw on established concepts such as gezel (theft or wrongful appropriation), hasagat gevul (encroachment upon another’s boundaries, also used in discussions of unfair competition), yored le-umanut havero (encroachment upon another’s occupation), benefit at another’s expense, contracts, communal enactments (takkanot ha-kahal), commercial custom and dina de-malkhuta dina (the principle that the law of the sovereign has legal force). These sources illuminate the intellectual history of protection for authors and publishers, but do not displace modern Israeli legislation.
Attribution and the Wrongful Appropriation of Another’s Words
Jeremiah 23:30 condemns prophets who steal words from one another. The biblical text is not a copyright statute, yet it supplies an early expression of concern about appropriating another person’s words. Deuteronomy 27:17 condemns moving a neighbor’s boundary marker, a rule originally concerning physical boundaries that later sources invoked in broader moral and commercial contexts.
Sifre Devarim (paragraph 188) applies the prohibition against moving another’s boundary, lo tasig gevul, to the misattribution of teachings, including attributing Rabbi Eliezer’s views to Rabbi Joshua and vice versa. This is a distinctive use of the boundary metaphor in relation to proper attribution. It should not be mistaken for a modern statutory right of attribution.
Pirkei Avot (Ethics of the Fathers) 6:6 praises ha-omer davar be-shem omro, one who attributes a teaching to the person who said it, and connects this practice to Esther crediting Mordechai. The expression concerns an ethical and religious obligation of proper attribution, not an independently formulated economic property right. The comparison with the modern moral right of attribution is illuminating, but remains an analogy rather than an equation.
Rabbinic commentary, including Midrash Tanchuma, also associates failure to name a source with the injunction against taking from the poor. Such material demonstrates the ethical importance of attribution without establishing a modern private cause of action for every instance of unattributed speech.
Knowledge, Trade Secrets and the Public Interest
The Mishnah, Yoma 3:11, recounts criticism of certain families and skilled individuals who declined to teach their specialized techniques used in the Temple service. The House of Garmu is discussed in connection with preparing the showbread, the House of Avtinas with incense, Hugras ben Levi with a musical technique, and Ben Kamtzar with writing.
This passage is not a trade-secrets code and does not establish that specialized knowledge must always be disclosed. It does, however, illustrate an enduring tension between legitimate control over professional expertise and the community’s interest in access to knowledge serving a public or sacred purpose.
Early Protection Against Unauthorized Reprinting
Following the spread of printing, Hebrew books were often accompanied by rabbinic approbations (haskamot; singular haskama). An approbation could endorse a work’s contents, but could also include a rabbinic reprinting ban prohibiting unauthorized republication for a specified period. The distinction matters: not every haskama was a reprinting prohibition. Some bans were reinforced through communal regulations or the threat of herem (excommunication). These mechanisms protected publishers and authors in ways that preceded modern statutory copyright.
A foundational dispute is commonly identified in English scholarship as Maharam of Padua v. Giustiniani. Rabbi Meir Katzenellenbogen (the Maharam of Padua) arranged to publish an edition of Maimonides’ Mishneh Torah with the Venetian printer Alvise Bragadini; a competing edition was issued by Marc Antonio Giustiniani. Rabbi Moses Isserles (the Rema) issued a responsum addressing the competition and forbidding the purchase of the rival edition. His reasoning drew upon the Jewish law of wrongful competition, including the concern traditionally described as yored le-umanut havero (encroachment upon another’s livelihood). The historical ruling was not an application of modern statutory copyright; it concerned the commercial and legal consequences of a rival publication. For an English-language scholarly account, see Neil Weinstock Netanel, Maharam of Padua v. Giustiniani: The Sixteenth-Century Origins of the Jewish Law of Copyright, 44 Houston Law Review (2007).
Compensation for Benefiting from Another Publisher’s Investment
Rabbi Yechezkel Landau, known by the title of his responsa Noda bi-Yehuda, addressed a dispute in which a printer reused typesetting financed by another party to produce and sell further copies. His analysis invoked zeh neheneh ve-zeh chaser, the principle concerning one party’s benefit at the expense of another who suffers loss. The obligation to contribute to the typesetting expense arose from the benefit obtained and the financial loss incurred, rather than from a general finding that copyright in the underlying Talmudic text had been infringed. See Noda bi-Yehuda, Mahadura Tinyana, Choshen Mishpat, no. 24.
That approach resembles aspects of modern unjust-enrichment reasoning, although it is not equivalent to recognizing a transferable exclusive copyright in the text. The distinction is important when interpreting historical sources: protection of investment and protection of original expression can lead to similar practical outcomes without resting on the same legal doctrine.
Jewish Law in Israeli Supreme Court Discussion of IP
In Krone AG v. Inbar Reinforced Plastic Ltd., Israeli Supreme Court, Civil Appeal 3422/03, Justice Elyakim Rubinstein discussed Jewish legal sources dealing with authors, printers, inventors and copying. The materials included opinions treating unauthorized appropriation as theft, commentary on copying books and ideas, and approaches grounded in commercial fairness or recognition of sovereign law.
The court also referred to divergent views associated with Rabbi Joseph Saul Nathanson, author of Sho’el u-Meshiv, and Rabbi Isaac Schmelkes, author of Beit Yitzhak. Nathanson advanced a proprietary understanding of an author’s rights, while Schmelkes questioned the basis for such an inherent right but accepted that copying might be restricted under dina de-malkhuta dina. This distinction is important: recognizing the binding force of secular copyright law in halakha is not necessarily equivalent to treating copyright as an independent property right arising from classical Jewish law. See also From Maimonides to Microsoft: The Jewish Law of Copyright Since the Birth of Print (Neil Weinstock Netanel, with contributions by David Nimmer, Oxford University Press, 2016).
The discussion demonstrates that Jewish legal scholarship has not spoken with a single voice on the conceptual basis of IP rights. Some approaches invoke theft or proprietary interests, others investment, market fairness, custom, contracts or the authority of the civil legal system. It would therefore be inaccurate to attribute a complete and uniform modern copyright regime to Jewish law.
Property, Commercial Custom and the Law of the Sovereign
Later halakhic discussion has offered different foundations for copyright protection. Some decisors treat an original work as a form of property; others emphasize wrongful competition, benefit obtained from another’s investment, accepted commercial practice (minhag) or the binding force of state legislation under dina de-malkhuta dina. Rabbinic enactments (takkanot) have also been used to protect authors and publishers. These grounds should not be conflated: a prohibition on unauthorized copying does not, without further analysis, prove that all halakhic authorities recognize a perpetual and freely transferable proprietary right in intellectual creations.
The continuing debate has been examined in Neil Weinstock Netanel and David Nimmer, Is Copyright Property? The Debate in Jewish Law, which distinguishes ownership theories from approaches based on regulation, commercial fairness and recognition of state law.
Moral Rights, Economic Rights and the Contemporary Israeli Framework
The obligation to give credit to an author and a publisher’s interest in preventing commercial reprinting are related but distinct. Modern Israeli law separates economic copyright from certain personal moral rights. Under the Copyright Law, 5768-2007, the nature, scope, duration and enforcement of those rights depend on the statute and case law, not on the historical sources alone.
The Jewish-law materials are valuable for interpreting ethical and historical questions concerning authorship, commercial appropriation, copying and distribution of knowledge. Their significance lies in the plurality of legal and moral justifications they offer, not in treating historical religious sources as direct substitutes for contemporary statutory causes of action.
For the present law, see Copyright Ownership in Israel and Moral Rights Under Israeli Copyright Law.
