Editing List of software patents (section)

==Telecommunications==
* {{Cite patent|country=US|number=7116963}}
:Washington Research Foundation asserted this patent in December 2006 against Matsushita (owners of the Panasonic brand), Nokia and Samsung. Granted in October 2006 (originating from a 1996 filing) it relates to dynamically varying the passband bandwidth of a tuner. If the claims had been upheld, [[CSR plc]] (previously known as Cambridge Silicon Radio), who supply the defendants with Bluetooth chips, could have lost market share to Broadcom who already had a license under the patent.<ref>{{Cite web
|url=http://ipkitten.blogspot.com/2007/01/bluetooth-battle-looms.html
|publisher=[[IPKat]]
|title=Bluetooth battle looms
|date=2007-01-04
|accessdate=2007-01-04}}</ref>
* {{Cite patent|country=US|number=4744028}}
: One of three patents granted in respect of [[Karmarkar's algorithm]], which relates to linear programming problems.<ref>[https://web.archive.org/web/20040719014831/http://www.apic.jiii.or.jp/p_f/text/text/2-05.pdf Introduction to Software Patents] published by the Japan Patent Office - see page 47 for discussion of [[Karmarkar's algorithm]]</ref> Claim 1 of this patent suggests the algorithm should be applied to the allocation of telecommunication transmission facilities among subscribers.