Earlier quoted context omitted.
I'm not so sure that patents on software are any more or less "silly" than patents on real (physical) devices. What is it about software patents that makes them inherently different from patents in general? Obviously, there are arguments for and against the patent system as a whole, but are there any that apply only to software patents? I know there's a rich tradition of objecting to patents on software, but it alway…
The public cost of a patent is the monopoly it provides. The public benefit is that the invention is eventually released into the public domain. Take the pharmaceutical companies as an example of where patents are perhaps worthwhile: - It costs a lot of money to produce a new drug; high cost == high risk == unattractive field for investment. Patents lower the risk because the pharmaceutical companies know that they w…
In the case of drugs, the patent can be chemically specific. It's easy to tell whether another drug infringes.
Software patents are sufficiently vague that it's hard to tell what they cover. Which has a chilling effect on people making software. How do you know whether you'll be sued?