# United States Patent System and Black Inventors

*The record of American invention has been systematically whitewashed by a patent regime that documented ownership while erasing the Black authorship that made many technologies possible.*

> Black's Encyclopedia — the sourced record of Black American life.
> Portal: Science & Invention · Status: In review · Revised: July 14, 2026 · Revisions: 1
> Canonical: https://www.blacksencyclopedia.com/record/united-states-patent-system-and-black-inventors

## Questions this record answers

- Could Black inventors get patents in the United States, and how did the system erase their contributions?
- Did enslaved people invent patentable technologies?
- Why are there so few patents in Black inventors’ names compared to white inventors?
- How did law and custom keep Black invention out of the official record?

## Summary

Black inventors have shaped American technology from its earliest days, but the United States patent system was built and operated in ways that kept their names off the inventions they created. Before Emancipation, enslaved Black inventors were outright barred from holding patents; after slavery, a mix of law, discrimination, cost and gatekeeping left most Black innovation unrecorded or assigned to someone else.

The official record, built on patents and corporate ownership, presents American invention as the work of white citizens. The Black archive, from slave narratives to Black newspapers and family collections, shows a different authorship story: Black people built, repaired, innovated and devised solutions in every sector, often under conditions designed to deny them recognition. The gap between lived innovation and formal patents is the measure of that erasure, not of any lack of genius.

## The archive's standing

The archive holds Black inventors—enslaved and free—as foundational authors of American technology whose work is larger than the narrow slice the patent record chooses to show. The patent system is treated here not as a neutral arbiter of originality but as a structured filter that privileged white citizenship and capital and systematically hid Black genius behind other people’s names. The standing of Black inventors is therefore taken from the total record of work—oral testimony, community memory, technical practice and scattered patents—not from the incomplete registry of ownership alone. This record insists that American invention cannot be truthfully told without centering Black authorship and naming the legal and economic machinery that tried to erase it.

## Enslaved Innovation and a System Built to Exclude

From the colonial period through the Civil War, enslaved Black people were central to the technical life of plantations, factories, workshops and households. They were the ones who maintained machines, improvised tools, devised new ways to process crops and materials, and kept complex systems running under constant constraint. Their innovations—whether in cotton processing, rice cultivation, metalwork, carpentry or cooking—were often adopted immediately by enslavers and employers, but the law treated enslaved people as property, not as citizens. That legal fiction meant they could not swear the oath required to file a patent or claim ownership of an invention.

In 1857, the Supreme Court’s Dred Scott decision declared that Black people of African descent could not be citizens, which in turn made patent rights inaccessible to them as a matter of law. At the same time, federal statutes and court practice held that only the true inventor, not an owner or master, could hold a patent. The combination was deliberate: enslaved inventors were barred from patents because they were not citizens, and enslavers were barred because they were not the actual inventors. Later Confederate legislation, which explicitly allowed masters to patent their slaves’ inventions, is itself a confession that enslaved people were producing patentable technologies in significant numbers.

## Emancipation, Formal Rights and Continuing Barriers

After the Civil War, the abolition of slavery and the passage of the Fourteenth Amendment formally opened the patent system to Black inventors. On paper, any citizen could apply. In practice, Reconstruction and Jim Crow-era racism—segregation, disenfranchisement, economic exclusion and violence—kept most Black inventors from securing patents. Access to patent attorneys, technical education, capital and networks remained heavily racially stratified. Even when Black inventors did file, examiners and courts operated in a culture steeped in assumptions about whose ideas counted.

Black newspapers like the Chicago Defender, the Pittsburgh Courier and the Baltimore Afro-American carried stories of local Black inventors whose work rarely translated into patents or widespread credit. Some obtained patents under white intermediaries’ names, others faced theft when employers or business partners filed in their own names. Many more never entered the patent process at all, choosing instead to share innovations within Black communities, churches, fraternal orders and small businesses where they met immediate needs without the cost and risk of challenging a hostile system.

## The Statistical Record and What It Misses

Modern studies of patent data show a stark disparity. Across the late twentieth century, African American inventors received patents at a tiny fraction of the rate of white inventors, even as Black participation in technical work grew. One widely cited study found roughly six patents per million African Americans from 1976 to 2008, compared to about 235 patents per million for all U.S. inventors. These numbers are often misread as evidence that Black people did not invent; the archive reads them instead as evidence that the patent system and the wider economy did not record or reward Black invention.

the Smithsonian and other institutions have begun to curate exhibits on Black inventors that place patents in context rather than treating them as the full measure of innovation. They show that where Black inventors did secure patents—often against steep odds—the inventions were frequently transformative: new safety devices, improved household tools, industrial processes and communications technologies that entered everyday American life. Those scattered patents are therefore artifacts of perseverance through discrimination, not exceptions to a rule of non-inventiveness.

## Hidden Authorship, Testimony and the Black Archive

Because the official patent record undercounts Black contributions, the archive turns first to Black-authored sources to reconstruct invention stories. WPA slave narratives, oral history collections at HBCUs, family papers, church minute books and funeral programs often name the person in a community who devised a key tool, built a business around a technical skill or taught a method later commercialized by others. Black scholars like W.E.B. Du Bois, Carter G. Woodson, John Hope Franklin and later historians and legal scholars have treated these testimonies as evidence in their own right, not as mere folklore.

In this record, patents are treated as one kind of source—documentation of ownership within a racist legal system—alongside testimonies of work, recollections of who taught whom, and records of who did repairs and improvements on the ground. Where the credit in law and commerce sits with white owners, managers or companies, the archive presumes Black authorship wherever enslaved or Black labor and ingenuity demonstrably produced the thing. This presumption is rebutted only by clear chronology or competing evidence, and contested claims are held openly with their basis and dispute, rather than silently erased.

## Contemporary Barriers and the Ongoing Fight for Recognition

In the present, formal legal barriers have fallen, but structural obstacles remain. Patent filing is expensive, often requiring thousands of dollars in fees and specialized legal work. Black inventors are disproportionately outside the professional networks—elite universities, major corporate R&D labs, venture capital circles—that smooth the path to patents. Studies and advocacy work by legal scholars and nonprofits now name these patterns as “patent racism”: a supposedly colorblind system whose inputs and gatekeepers reproduce historic exclusions.

Black innovators, bar associations and advocacy groups have begun building counter-institutions: mentoring networks, funding vehicles, and dedicated programs within museums and libraries to surface forgotten inventions and encourage new filings. The archive holds these efforts as a continuation of a long tradition of Black people asserting their right to be recognized as authors of the technologies they create. The road to owning patents has been paved with barriers, but the record of invention itself—with or without formal patents—shows continuous Black authorship at the heart of American technological life.

## Sources

1. Gregory Dolin, Cynthia Lee, and Lee Petherbridge, “The Colorblind Patent System and Black Inventors,” Landslide, American Bar Association, Vol. 13, No. 3, 2021.
2. Michael A. Heller and Madhavi Sunder, “Patent Racism,” New York University Law Review, Vol. 95, 2020.

## Related records

- https://www.blacksencyclopedia.com/record/united-states-patent-system
- https://www.blacksencyclopedia.com/record/united-states-patent-system-and-enslaved-inventors
- https://www.blacksencyclopedia.com/record/united-states-patent-system-and-black-women-inventors
- https://www.blacksencyclopedia.com/record/patent-racism
- https://www.blacksencyclopedia.com/record/african-american-inventors

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Cite as: Black's Encyclopedia, "United States Patent System and Black Inventors," revised July 14, 2026. https://www.blacksencyclopedia.com/record/united-states-patent-system-and-black-inventors

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