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Sun's no-op announcement

Richard Stallman

Published: 01 Feb 2005 11:25 GMT

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Last year IBM took a significant step forward in cooperation with the free software community, by offering blanket licences for 500 of its patents to all free software developers. This does not cover all of IBM's software patents, which must number in the thousands. And there are other areas where IBM does not yet cooperate with the free software community -- they have not provided the necessary information to port a free BIOS to ThinkPads, for instance, and they are still pursuing Treacherous Computing. Nonetheless, this is a real step. Recently Sun made an announcement that superficially seems similar. It said that Sun had given us "free access to Sun OpenSolaris related patents under the Common Development and Distribution License." But those words do not really make sense. The CDDL is a licence for the copyright on software, not a policy for licensing patents. It applies to specific code and nothing else. (Copyright and patents have essentially nothing in common in the requirements they impose on the public.)

So what has really happened here? Reading the announcement clearly, I think that it doesn't announce anything at all. It simply describes, in a different and grandiose way, the previously announced release of the Solaris source code as free software under Sun's idiosyncratic license, the CDDL. Outside Solaris, few or no free software packages use that licence -- and Sun has not said it won't sue us for implementing the same techniques in our own free software.

Perhaps Sun will eventually give substance to its words, and make this step a real one like IBM's. Perhaps some other large companies will take similar steps. Would this make free software safe from the danger of software patents? Would the problem of software patents be solved? Not on your life. Neither one.

We can be quite sure that not all large patent holders will do this. In fact, there is one company with lots of patents that surely won't take such a step. That is Microsoft, which says it is our enemy. Microsoft would love to make useful free software effectively illegal, and has plenty of money to pay lawyers to use whatever avenues governments provide them.

But the danger is not only from those that specifically consider us their enemies. It also comes from patent holders that are the enemy of everyone. These are the patent parasites -- companies whose sole assets are patents, and whose only business is threats. Patent parasites don't really produce anything, they only suck the blood of those who do. As regards their choice of victims, they have the scruples of a mosquito, so you're only safe if they don't think you're worth biting.

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