I Believe in Unicorns writes "Red Hat's patent policy says 'In an attempt to protect and promote the open source community, Red Hat has elected to... develop a corresponding portfolio of software patents for defensive purposes. We do so reluctantly...' Meanwhile, USPTO Application #: 20090063418, 'Method and an apparatus to deliver messages between applications,' claims a patent on routing messages using an XQuery match, which is an extension of the 'unencumbered' AMQP protocol that Red Hat is helping to make. Is this a defensive patent, or is Red Hat cynically staking out a software patent claim to an obvious extension of AMQP? Is Red Hat's promise to 'refrain from enforcing the infringed patent' against open source a reliable contract, or a trap for the unwary? Given the Microsoft-Red Hat deal in February, are we seeing Red Hat's 'Novell Moment?'" Reader Defeat_Globalism contributes a related story about an international research team who conducted experiments to "quantify the ways patent systems and market forces might influence someone to invent and solve intellectual problems." Their conclusion was that a system which doesn't restrict prizes to the winner provides more motivation for innovation.
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