Software Patents and Free Software - The 2004 OSRM Study

The 2004 OSRM Study

In 2004, Open Source Risk Management commissioned a patent study, carried out by Dan Ravicher. For this study, Ravicher performed patent searches to estimate the patent-risk of the Linux kernel:

In conclusion, he found that no court-validated software patent is infringed by the Linux kernel. However, Ravicher also found 283 issued but not yet court-validated software patents that, if upheld as valid by the courts, could potentially be used to support patent claims against Linux.

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