What’s Wrong With Software Patents?
Patently-O:
Patents on computer programs, financial processes and business methods have been controversial at least since the 1960s. Surveys regularly find that computer programmers are opposed to patents on software by a wide margin. In what other field is the class of inventors so opposed to patents?
Is there a problem?
Some people contend that there is nothing particularly wrong with patents on software, arguing that “patent thickets” are not preventing innovators from entering software markets. But the latest evidence [LINK] suggests that patent thickets do, in fact, inhibit startups in software. More important, patent thickets might not be the only or even the most important problem with software patents.
Indeed, our evidence suggests an important problem of another sort: software patents are four times more likely to be litigated than are chemical patents; business methods patents are twelve times more likely to be litigated; finance patents are 49 times more likely. Moreover, the evidence also suggests that these patents have lower values than chemical patents, so these patents are not being litigated more because they are more valuable.
Other people admit that there are problems with software patents, but they suggest that this is only temporary: once judges and patent examiners understand this technology better, once they have become familiar with the prior art, etc., then the uncertainty about these patents will abate and litigation rates will go down. But the evidence shows that after a decade of issuing software patents in large numbers (over 200,000), the probability that a newly-issued software patent will be litigated is continuing to rise.
So it does seem that patents on software and related technologies at least have a particular problem with litigiousness. And this problem is central to the poor performance of the patent system generally. In the previous post we highlighted how litigation costs have substantially outgrown the profits that public firms receive from patents outside of the pharmaceutical and chemical industries. In 1999, 38% of the cost of litigation among public firms arose from lawsuits involving software patents; preliminary data suggest that this share has increased since then. Litigation over software patents is clearly a major factor in the poor performance of the patent system. So in a very real way, the overall performance of the patent system cannot be fixed unless the particular problems of software patents are also fixed.
Why are there so many lawsuits over software patents?
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