1991年第2版GPL的设计，同样是为了防止持有专利者利用他们的专利权以某种会使软件变得非自由的手段强加许可协议给重发布者。
GPL version 2, in 1991, was designed also to prevent patent holders from using their patents to impose licenses on redistributors in a way that would make the software non-free.
摩托罗拉所持有的专利权是此次收购的关键因素。
当一家公司通过向发明者或其他持有者购买而获得专利权时，购买价格应记到专利权这个无形资产账户。
When a company acquires a patent by purchase from the inventor or other holder, the purchase price should be recorded by debiting the intangible asset account, Patents.
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