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Prolok
Copy protection software From Wikipedia, the free encyclopedia
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Prolok was a copy protection system developed by W. Krag Brotby and Vault Corporation in 1982. Prolok was involved in the copyright law case Vault Corp. v. Quaid Software Ltd. which allowed software to be used in certain situations that the copyright holder did not originally intend.
 | This article relies largely or entirely on a single source. (June 2021) |
Prolok was developed for Apple II, CP/M, CP/M-86, MS-DOS, Microsoft Windows and OS/2. The company obtained US Patent 4,785,361, which listed Brotby as the technology's inventor.[1]
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