patent's

There should be a "common royalty base" - in other words, the patent's value should be determined as a percentage of the cost of the relevant components rather than the device as a whole.

BBC News - Home 2012

You have got to project a patent's royalty streams, find similar patents that were sold recently or determine what it would cost to produce a similar patent.

For Bargain Stocks, Check the Patent Office Jack Hough 2011

The effort may provide a new road map for selling prescription drugs, one no longer circumscribed by 20 years of patent protection and a 1984 law that sought to curb drug spending by authorizing generics following a patent's expiration.

Helping Lipitor Live Longer Jonathan D. Rockoff 2011

However, she said that if the patent office "did not have all the material facts before it," its decision to award a patent "may lose significant force," and it could be easier to persuade a jury of a patent's invalidity by clear and convincing evidence.

Supreme Court Rules Microsoft Must Pay in Patent Case Jess Bravin 2011

Unlike in the US, EU challenges come early in a patent's life.

Gary Liberson, PhD: Presto, Change-o! The New Google PhD Gary Liberson 2011

But keep in mind that reverse settlements occur prior to a patent's expiration date under the terms of the 1984 Hatch-Waxman law.

The 'Pay for Delay' Rap 2010

Sexting is not explicitly mentioned in the patent's description, although it does make mention of a "parental control application" included in the "control application" that "evaluates whether or not the communication contains approved text based on, for example, objective ratings criteria or a user's age or grade level, and, if unauthorized, prevents such text from being included in the text-based communication."

'Anti-Sexting' Patent Awarded To Apple The Huffington Post News Team 2010

However, she said that if the patent office "did not have all the material facts before it," its decision to award a patent "may lose significant force," and it could be easier to persuade a jury of a patent's invalidity by clear and convincing evidence.

Supreme Court Rules Microsoft Must Pay in Patent Case Jess Bravin 2011

The patent's abstract (via ReadWriteweb) offers more detail, and notes that the patent could be used to help children learn languages:

'Anti-Sexting' Patent Awarded To Apple The Huffington Post News Team 2010

Unlike in the US, EU challenges come early in a patent's life.

Gary Liberson, PhD: Presto, Change-o! The New Google PhD Gary Liberson 2011