Definition
"Art" carries distinct legal meanings depending on context. Two principal uses appear in the Law Mind corpus:
1. PATENT LAW — A "useful art" is a process, method, or operative principle reduced to practice and applied to produce a tangible, beneficial result. It is not an abstract idea or scientific principle in isolation, but rather the concrete application of that principle through a specific, described mode of operation. Under this meaning, an art is patentable only when it is both beneficial and described with sufficient exactness that its operation can be understood and reproduced. The constitutional grounding is Article I, Section 8, Clause 8, which grants Congress power to promote "the Progress of Science and useful Arts."
2. ASSISTED REPRODUCTIVE TECHNOLOGY (ART) — In modern family law and medical regulation, "ART" functions as an acronym for Assisted Reproductive Technology, encompassing procedures such as in vitro fertilization (IVF), gamete intrafallopian transfer (GIFT), intrauterine insemination (IUI), and surrogacy arrangements. This usage is entirely modern and has no historical common-law analog.
---
Common Language
Modern common usage (Wiktionary): The conscious production or arrangement of sounds, colors, forms, movements, or other elements in a manner that affects the senses and emotions; skillful creative activity, usually with an aesthetic focus.
Historical common usage (Webster's 1913): Webster's 1913 does not define "art" as a noun in the excerpt provided, reflecting the dictionary's coverage of "art" in its archaic verbal form ("thou art"). The noun sense — skill, craft, creative production — was well established in general English by this period.
Editorial note: The ordinary English meaning of "art" — aesthetic creative production — has almost no overlap with either principal legal usage. In patent law, "art" is a term of functional craft, not aesthetic expression; a manufacturing process qualifies as an "art" precisely because it is useful rather than beautiful. A researcher encountering "art" in a nineteenth-century patent opinion should not import any connotation of aesthetic or fine-art meaning. In modern family law, "ART" as an acronym is entirely unrelated to creative expression.
---
Common Confusion
Two confusions are common:
First, patent researchers sometimes conflate "art" with "science" as used in the constitutional clause. The historical dictionaries treat these as related but distinct: "science" refers to knowledge; "art" refers to the application of that knowledge to a practical end. Bouvier's cross-references ART to SCIENCE, signaling that the boundary was contested and worth examining in sources from that period.
Second, in modern legal research, "ART" (capitalized, acronym) for Assisted Reproductive Technology is a wholly different term that shares only orthography with the patent-law noun. Context resolves this in almost every case, but a researcher running keyword searches across a mixed corpus of family law and IP materials should build queries accordingly.
---
Recognized Forms
/SUBTYPES
PATENT LAW: "Useful art" — the constitutionally operative phrase. Distinguished from fine art, which receives no patent protection on aesthetic grounds alone.
ASSISTED REPRODUCTIVE TECHNOLOGY: Subcategories recognized in statutes and medical regulation include IVF (in vitro fertilization), GIFT, ZIFT, IUI, gestational surrogacy, and traditional surrogacy. Regulatory treatment of each varies significantly by jurisdiction.
---
Why It Matters in Research
Patent law corpus: The term "art" in nineteenth-century patent opinions and statutes operates within a specific technical framework that has evolved considerably. Early cases, including those cited in Bouvier's and Black's (referencing Earle v. Sawyer, 4 Mason 1), established that an art must be reduced to practice — not merely conceived. Researchers working in pre-twentieth-century patent materials should note that "art" was frequently used where modern patent law would use "process" or "method." The Patent Act of 1952 largely replaced "art" with "process" as the operative statutory term, so historical sources using "art" and modern sources using "process" may be discussing the same legal category. Failing to recognize this shift will create false discontinuities in doctrinal research.
The "prior art" phrase — meaning the body of existing public knowledge and practice against which a patent claim is evaluated — is a related but distinct usage. "Prior art" survives in current patent law as a term of art and is addressed separately in this dictionary.
The "lost arts" reference in Bouvier's (citing 10 How. 477) points to a narrow historical doctrine involving patents for rediscovered ancient processes; this is largely obsolete but may surface in pre-Civil War patent litigation research.
Family law corpus: "ART" as Assisted Reproductive Technology is a creature of the late twentieth century. No historical common-law framework governs it. Researchers working in this area will find that the Law Mind family law corpus reflects rapidly evolving statutory and case law, with significant jurisdictional divergence on parentage, surrogacy enforceability, and donor anonymity. Pre-1980 sources will contain no relevant material under this heading.
Torts corpus: The "state of the art" defense in products liability uses "art" in its patent-law-adjacent sense — the level of technical knowledge and practice existing at the time of manufacture. This is distinct from both the patent-law definition and the ART acronym, and is covered in the Products Liability encyclopedia entry linked above.
---
Historical Dictionary Support
Black's (both editions) and Bouvier's align closely on the patent-law definition: a principle put into practice and applied to some art, machine, manufacture, or composition of matter. Both reference Earle v. Sawyer and the Act of Congress of July 8, 1870, treating the statutory grounding as the primary authority. Anderson's adds the constitutional text directly and emphasizes that an "art" cannot be patented in the abstract — the specification of its mode of operation is constitutive of the legal concept, not merely descriptive.
Burrill's entry for "ART" in the provided excerpt is fragmentary and addresses arson rather than art — a transcription artifact researchers should be aware of. Burrill's cannot be relied upon for this entry.
None of the historical dictionaries anticipate the ART acronym usage, which is expected given their dates of publication. The gap between historical coverage and modern family law usage is total on this point.
---
Jurisdictional Note
In patent law, "useful art" is a federal constitutional and statutory concept; state law is largely preempted. In assisted reproductive technology law, the opposite is true: the United States has no comprehensive federal ART statute, and state law governs parentage, surrogacy contract enforceability, and donor rights with significant variation. Researchers must identify the governing state before drawing conclusions from ART-related family law materials.
---
Encyclopedia Cross-Reference
Products Liability — State of the Art Defense (The Law Mind Torts & Personal Injury Encyclopedia)
Assisted Reproduction — ART and LGBTQ+ Family Formation (The Law Mind Family Law Encyclopedia)
---