ADDING LINKS IS TEMPORARILY BLOCKED - if you want to add a link, just put a space in it so that it doesn't work. The admin will then fix the link for you very quickly. This will be fixed as soon as I have the new spam blocking system in place.
Invalidate patents based on subject matter
Invalidating patents based on subject matter is a way to reduce the scope for enforcing or applying for software patents.
 Related pages on en.swpat.org
- In re Bilski - which produced a new test which has been used to invalidate some software patents
- Interoperability exceptions - another method for partial success
This wiki is part of the End Software Patents (ESP) campaign (donate). For more information, see: