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The Telephone Cases

The Telephone Cases is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand The Telephone Cases rather than just read about it. In short: The Telephone Cases, 126 U.S. 1 (1888), were a series of U.S. court cases in the 1870s and the 1880s related to the invention of the telephone, which culminated in an 1888 decision of the U.S. Supreme Court that upheld the priority of the patents belonging to Alexander Graham Bell.

The Telephone Cases — main illustration
The Telephone Cases — illustration

Key takeaways

  • The Telephone Cases belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect The Telephone Cases to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of The Telephone Cases from memory before moving on to harder problems.

Reference excerpt

The Telephone Cases, 126 U.S. 1 (1888), were a series of U.S. court cases in the 1870s and the 1880s related to the invention of the telephone, which culminated in an 1888 decision of the U.S. Supreme Court that upheld the priority of the patents belonging to Alexander Graham Bell. Those patents were used by the American Bell Telephone Company and the Bell System, although they had also acquired critical microphone patents from Emile Berliner. The objector (or plaintiff) in the Supreme Court case was initially the Western Union telegraph company, which was then a far-larger and better financed competitor than American Bell Telephone. Western Union advocated several more recent patent claims of Daniel Drawbaugh, Elisha Gray, Antonio Meucci, and Philip Reis in a bid to invalidate Alexander Graham Bell's master and subsidiary telephone patents dating from March 1876. A decision for Western Union would have immediately destroyed the Bell Telephone Company, and might have allowed the former company, instead of the latter, to become the world's largest telecommunications monopoly. The Supreme Court came within one vote of overturning the Bell patent because of the eloquence of lawyer Lysander Hill for the Peoples Telephone Company. In a lower court, the Peoples Telephone Company stock rose briefly during the early proceedings but dropped after its claimant, Daniel Drawbaugh, took the stand and testified: "I don't remember how I came to it. I had been experimenting in that direction. I don't remember of getting at it by accident either. I don't remember of anyone talking to me of it." In the case, the Supreme Court affirmed:

Dolbear v. American Bell Tel. Co., 15 F. 448, 17 F. 604, Molecular Tel. Co. v. American Bell Tel. Co., 32 F. 214, and People's Tel. Co. v. American Bell Tel. Co., 22 F. 309 and 25 F. 725. The Supreme Court reversed American Bell Tel Co. v. Molecular Tel. Co., 32 F. 214. Bell's second fundamental patent expired on January 30, 1894, when the gates were then opened to independent telephone companies to compete with the Bell System. In all, the American Bell Telephone Company and its successor, AT&T, litigated 587 court challenges to its patents, including five that went to the US Supreme Court and, aside from two minor contract lawsuits, never lost a single case that was concluded with a final stage judgment.

Size The Court's decision in the Telephone Cases is notable for the size of the opinions delivered; together, they occupy the entire 126th volume of the United States Reports.

Notable cases Among the notable court cases involving the Bell Telephone Company, later renamed to the American Bell Telephone Company, were those related to challenges by Elisha Gray, a principal in Western Electric, as depicted in the Elisha Gray and Alexander Bell telephone controversy. Additionally the Bell Company became embroiled in a number of challenges from those companies associated with Antonio Meucci, as shown in the Canadian Parliamentary Motion on Alexander Graham Bell, itself a response to the United States HRes. 269 on Antonio Meucci.

See also Elisha Gray and Alexander Bell telephone controversy

References Notes

Bibliography

Further reading Beauchamp, Christopher. Who Invented the Telephone?: Lawyers, Patents, and the Judgments of History, Technology and Culture, Vol. 51, No. 4, October 2010, pp. 854–878, DOI: 10.1353/tech.2010.0038.

External links Text of The Telephone Cases, 126 U.S. 1 (1888) is available from: CourtListener Justia Library of Congress OpenJurist Legat, V. 1862. Reproducing sounds on extra galvanic way [cited March 26, 2006]. Available Litigation Series – Telephone Interferences: Edison Exhibits contained within: Legat, Wilhelm von (1862) Litigation Series – Telephone Interferences: Edison Exhibits, which covers: (Reis, Philip) Telephone; Sound and Acoustics; Thomas Edison National Historical Park, [TI2459; TAEM 11:635]. Quote: The Edison National Historical Park (ENHP) archives has seven bound volumes and one pamphlet of Patent Office proceedings relating to conflicting claims over who invented the telephone. Four of these volumes contain the record of a group of interferences entitled Cases A through L and Case No. 1. The disputant parties were Thomas Edison, Alexander Graham Bell, Elisha Gray, A. E. Dolbear, J. W. McDonough, George B. Richmond, William L. Voelker, J. H. Irwin, and Francis Blake, Jr. Although Edison's preliminary statements were filed in September 1878, testimony was not taken until 1880. This record was printed in 1881. The second volume contains Edison's exhibits, including photo-lithographs of laboratory drawings, patents and patent applications, and newspaper and journal articles. The drawings have exhibit numbers corresponding to a page/volume numbering scheme used by Edison and his patent attorney Lemuel W. Serrell in 1880 when Edison's technical notes and drawings were numbered and examined for possible inclusion as exhibits in these interferences. Many of the documents in this numbered series were not selected as exhibits; they remain in the archives at the Edison National Historical Park....

Worked examples

Example 1 — a first encounter with The Telephone Cases

Start with the simplest possible case. Write down what The Telephone Cases claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to The Telephone Cases before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about The Telephone Cases ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of The Telephone Cases

In research
The Telephone Cases appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses The Telephone Cases in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
The Telephone Cases is common in secondary-school and first-year university syllabi. It links to neighbouring topics AT&T litigation, Alexander Graham Bell, Bell System, so understanding it makes those chapters shorter.
In everyday life
Look for The Telephone Cases outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study The Telephone Cases in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what The Telephone Cases means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain The Telephone Cases out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is The Telephone Cases in simple terms?

The Telephone Cases, 126 U.S. 1 (1888), were a series of U.S. court cases in the 1870s and the 1880s related to the invention of the telephone, which culminated in an 1888 decision of the U.S. Supreme Court that upheld the priority of the patents belonging to Alexander Graham Bell.

Why does The Telephone Cases matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study The Telephone Cases?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on The Telephone Cases.

Tags

  • AT&T litigation
  • Alexander Graham Bell
  • Bell System
  • Business rivalries
  • Discovery and invention controversies
  • History of the telephone
  • United States Supreme Court cases
  • United States Supreme Court cases in 1888
  • United States Supreme Court cases of the Waite Court
  • Western Union

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