FORTUNE -- The 18-minute video presented to the Apple v. Samsung jury Tuesday did a good job explaining what a patent is. What it didn't explain was the difference between a design and a utility patent or, more important, the vast difference in the rewards involved if infringement of one or the other can be MORE
Read more: Apples 2 billion claim comes from a twist in US patent law
Apples 2 billion claim comes from a twist in US patent law
An act of Congress that dates back to an 1886 Supreme Court case about carpet design
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