If I'm not mistaken, they do expire ~ 16 years.
Edit: Also OP, here is a quote from The Wallstreet Journal on the fine "Among other findings, the jury at the U.S. District Court found that many of the Apple patents were willfully infringed by Samsung. That means that Judge Lucy Koh now has the discretion to triple Apple's damages award."
Edit: Unlike Samsung, Nokia actually tried to change up how the smartphone should look like:
I think that Nokia looks awesome. I especially like the UI pic there. Thanks for enlightening me. I'm going to try one out next time I'm near a phone store.