California Motor Transport Company
E666871
California Motor Transport Company was a trucking firm involved in a landmark U.S. Supreme Court antitrust case concerning the use of governmental and judicial processes to restrict competition in the trucking industry.
All labels observed (1)
| Label | Occurrences |
|---|---|
| California Motor Transport Company canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7476407 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: California Motor Transport Company Context triple: [California Motor Transport Co. v. Trucking Unlimited, petitioner, California Motor Transport Company]
-
A.
REO Motor Car Company
REO Motor Car Company was an early 20th-century American automobile and truck manufacturer known for vehicles like the REO Speed Wagon and for helping establish the U.S. automotive industry.
-
B.
St. Louis Car Company
St. Louis Car Company was a prominent American rolling stock manufacturer known for producing streetcars, interurban cars, and railroad equipment throughout the late 19th and 20th centuries.
-
C.
Detroit Transportation Corporation
Detroit Transportation Corporation is the public agency that owns and operates Detroit's downtown People Mover automated transit system.
-
D.
Dodge Brothers Company
Dodge Brothers Company was an early 20th-century American automobile manufacturer known for producing durable, mass-market vehicles and later becoming part of the Chrysler Corporation.
-
E.
Studebaker Corporation
Studebaker Corporation was a historic American automobile manufacturer, originally a wagon maker, best known for its innovative car designs produced through the mid-20th century.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: California Motor Transport Company Target entity description: California Motor Transport Company was a trucking firm involved in a landmark U.S. Supreme Court antitrust case concerning the use of governmental and judicial processes to restrict competition in the trucking industry.
-
A.
REO Motor Car Company
REO Motor Car Company was an early 20th-century American automobile and truck manufacturer known for vehicles like the REO Speed Wagon and for helping establish the U.S. automotive industry.
-
B.
St. Louis Car Company
St. Louis Car Company was a prominent American rolling stock manufacturer known for producing streetcars, interurban cars, and railroad equipment throughout the late 19th and 20th centuries.
-
C.
Detroit Transportation Corporation
Detroit Transportation Corporation is the public agency that owns and operates Detroit's downtown People Mover automated transit system.
-
D.
Dodge Brothers Company
Dodge Brothers Company was an early 20th-century American automobile manufacturer known for producing durable, mass-market vehicles and later becoming part of the Chrysler Corporation.
-
E.
Studebaker Corporation
Studebaker Corporation was a historic American automobile manufacturer, originally a wagon maker, best known for its innovative car designs produced through the mid-20th century.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
business enterprise
ⓘ
trucking company ⓘ |
| allegedConduct | use of governmental processes to restrict competition in trucking ⓘ |
| associatedWithDoctrine | sham litigation exception to petitioning immunity ⓘ |
| businessActivity |
interstate trucking
ⓘ
motor carrier services ⓘ |
| caseDecidedBy | Supreme Court of the United States ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| fieldOfCase |
competition law
ⓘ
regulation of trucking industry ⓘ |
| industry | trucking industry ⓘ |
| involvedIn |
California Motor Transport Co. v. Trucking Unlimited
ⓘ
landmark U.S. Supreme Court antitrust case ⓘ |
| legalIssue |
Noerr-Pennington doctrine
ⓘ
antitrust law ⓘ use of governmental processes to restrict competition ⓘ |
| legalRole | petitioner in California Motor Transport Co. v. Trucking Unlimited ⓘ |
| locationCountry |
United States
ⓘ
linked to:
United States of America
|
| notableFor |
involvement in California Motor Transport Co. v. Trucking Unlimited
ⓘ
role in development of limits on petitioning immunity under antitrust law ⓘ |
| operatedIn |
California
ⓘ
linked to:
California, United States
|
| opposedPartyInCase | Trucking Unlimited ⓘ |
| partyToCase | California Motor Transport Co. v. Trucking Unlimited ⓘ |
| relatedTo |
U.S. Supreme Court
ⓘ
linked to:
Supreme Court of the United States
|
| sector | transportation ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: California Motor Transport Company Description of subject: California Motor Transport Company was a trucking firm involved in a landmark U.S. Supreme Court antitrust case concerning the use of governmental and judicial processes to restrict competition in the trucking industry.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
California Motor Transport Co. v. Trucking Unlimited
→
petitioner
→
California Motor Transport Company
ⓘ