How the QWERTY Keyboard Layout Was Originally Designed
An 1878 patent by Christopher Latham Sholes that helped standardize the keyboard layout we still use on computers and phones today.
Original patent title: “Improvement in type-writing machines”
An 1878 patent by Christopher Latham Sholes that helped standardize the keyboard layout we still use on computers and phones today. Granted to Christopher Latham Sholes in 1878 with 7 forward citations.
Key facts
Coverage
What does this patent actually cover?
This patent describes mechanical improvements to early typewriters to prevent type bars from jamming. By arranging the keys in a specific layout, it separated frequently used letter pairs so that the physical metal arms would not collide during rapid typing. It established the mechanical foundation for the QWERTY arrangement, which remains the global standard for text input.
The gap
What does this patent NOT cover?
- Does not cover electronic or virtual keyboards found on modern touchscreens.
- Does not cover the specific software algorithms used for predictive text or autocorrect.
- Does not cover non-mechanical input methods like voice recognition or gesture typing.
These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.
What made this novel
The innovation was not about making typing faster, but about slowing down the mechanical type bars just enough to prevent them from tangling, effectively mapping human language frequency to mechanical constraints.
The Patent Drawing
Schematic visualization of the patent's claim structure. Hand-drawn diagrams in progress for each landmark patent.
Where you've seen this
Real-world examples
Standard computer keyboards
Laptop keyboard layouts
Smartphone virtual QWERTY keyboards
Why it matters
The bigger picture
This patent is the ancestor of virtually every text input interface in existence. It solved a critical mechanical bottleneck in early office automation, allowing the typewriter to become a reliable tool for business and communication.
Granted
August 27, 1878
Market context
Who's building on this
Companies in this space
Every major hardware manufacturer including Apple, Microsoft, and Logitech continues to use this layout as the default standard for human-computer interaction.
Market impact
The standardization of this layout created a massive 'network effect' where users learned one system, making it nearly impossible for more efficient layouts like Dvorak to gain significant market share.
Claim 1 — Plain English
What this patent covers
This patent describes mechanical improvements to early typewriters to prevent type bars from jamming. By arranging the keys in a specific layout, it separated frequently used letter pairs so that the physical metal arms would not collide during rapid typing. It established the mechanical foundation for the QWERTY arrangement, which remains the global standard for text input.
The clever bit
The innovation was not about making typing faster, but about slowing down the mechanical type bars just enough to prevent them from tangling, effectively mapping human language frequency to mechanical constraints.
What it does not cover
- Does not cover electronic or virtual keyboards found on modern touchscreens.
- Does not cover the specific software algorithms used for predictive text or autocorrect.
- Does not cover non-mechanical input methods like voice recognition or gesture typing.
PatentBrief Score
Impact Score
Limited data
Citation count
18/40
Early citations
Claim breadth
0/20
Narrow claimsclaimsThe numbered statements at the end of a patent that legally define what the inventor owns.Read more →
Recency
0/20
Older than 20 years
Assignee scale
0/20
Independent or smaller assigneeassigneeThe entity that owns the patent — usually the inventor's employer or a company.Read more →
PatentBrief Impact Score — based on citation count, claim breadth, recency, and assignee scale. Not a legal assessment.
Heuristic Value Estimate
What this patent might be worth
$4K – $14K
Midpoint $9K · expired or expiring · industry ×0.9
Heuristic only — blends forward/backward citation counts, claim scope, time remaining, litigation history, and CPC-derived industry baseline. Real valuations need a professional appraisal.
Concepts involved
Citations
Patent lineage
Cite this patent
(1878). How the QWERTY Keyboard Layout Was Originally Designed (U.S. Patent No. 207,559). U.S. Patent and Trademark Office. https://patentbrief.org/patent/us/207559/qwerty-typewriter-sholes
Auto-generated from the patent record. Double-check author order and the issue date against the official USPTO document before submitting.
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Common Questions
Frequently Asked Questions
What does How the QWERTY Keyboard Layout Was Originally Designed cover?
An 1878 patent by Christopher Latham Sholes that helped standardize the keyboard layout we still use on computers and phones today.
Who owns patent US 207559?
Christopher Latham Sholes owns this patent, granted in 1878.
When does this patent expire?
This patent has expired and is now in the public domain — anyone can use the invention freely.
What is patent US 207559 cited by?
This patent has been cited by 7 later patents that build on its ideas.
What problem does this patent solve?
This patent is the ancestor of virtually every text input interface in existence. It solved a critical mechanical bottleneck in early office automation, allowing the typewriter to become a reliable tool for business and communication.
What does this patent NOT cover?
Does not cover electronic or virtual keyboards found on modern touchscreens.
Patent monitoring