As legal letters fly, Cusip licensing debate rolls on
Cusip Global Services’ licensing agreements with third-party data providers sit at the heart of the antitrust case against itself and three others.
In May, a US broker-dealer received a letter from FactSet threatening to turn off its access to Cusips—nine-digit alphanumeric codes that uniquely identify nearly all North American stocks and bonds.
The broker-dealer wasn’t the first to receive such a letter, which demanded that it sign a license agreement with Cusip Global Services (which is owned by FactSet) in order to keep its access to Cusip data—despite the firm not receiving any data directly from CGS but through other third-party data
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