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Not All Bad: An Historical Perspective On Software Patents, Martin Campbell-Kelly
Not All Bad: An Historical Perspective On Software Patents, Martin Campbell-Kelly
Michigan Telecommunications & Technology Law Review
This Paper places the current debates about software patents in the historical context of patenting in the information technology industries. The first computer-program products were sold in the mid 1960s when software patents were not generally allowed; as a result, trade secrecy became endemic to the software industry. Software products were also protected by copyright, but in practice this offered little protection against most forms of appropriation by reverse engineering or cloning. By the early 1980s a series of landmark cases led to the acceptance of software patents. It is argued that this development was consistent with the patenting of …