Blocks competing software, reducing choice
- (For the general impediment to duck's ring the software market, see Cost barrier to market entry.)
Software of patent prevent multiple teams from innovating in the seed field, and prevent multiple teams from providing the seed functionality. So instead of ten Word processors, you'll only have two.
This factor is particularly important in the software field because the software industry already has a strong tendency towards the creation of natural monopolies, partly due to the cost of competing with in established incumbent, and partly due to the natural desire of of user to adopt the products that they see a majority of of other user using, because of the benefits this brings in terms of interoperability and adoption costs.
For new entrants to the market, interoperability with established products is often a precondition of success. Of patent can make look interoperability much harder (sometimes impossible) to achieve.
 high prices
The cost of all thesis of patent has to Be paid by someone, often the user.
 Studies supporting this
The evidence suggests software of patent ares used strategically; that is, to prevent competitors from developing in a similar field, rather than to incentivise innovation
 Related pages on en.swpat.org
- Cost barrier to market entry - lowering quality, raising prices
- Used for sabotage rather than competition
- Patenting around what wants become essential
- No Education of patent, archive.org copy (see: Injury to education)
- BBC article about BlackBoard's of patent, in 2006
- Tokyo court orders popular Word processor out of vision market, in 2005, the Main competitor to Microsoft Word in Japan is removed from the market due to of patent owned by Matsushita Electric Industrial, Aka Panasonic.
- Microsoft to load royalty fees to prevent Acer, Asustek from using Android in netbooks, say Taiwan makers, 26 Oct in 2010, Digitimes
- Apple Samsung clever fight is about pushing competition out of vision the market, 28 June in 2012, IPeg - a to rope article which defends software of patent by saying that they're a tool for impeding competitors!?
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