Vault Corp. V. Quaid Software Ltd. - Derivative Work Claim

Derivative Work Claim

One version of RAMKEY contained approximately 30 characters of source code from PROLOK. Vault alleged that this constituted an infringing derivative work.

The district court focused on the size of the copied code, arguing that it was not significant. Vault argued that the court should instead focus on the qualitative aspect of the copied code because the 30 characters were important to the correct operation of PROLOK. The circuit court rejected the argument that the copying was qualitatively significant on the basis that PROLOK and RAMKEY "serve opposing functions."

Read more about this topic:  Vault Corp. V. Quaid Software Ltd.

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