He was a trademark owner, she was a competitor, he would take her to court over keyword advertising.

No initial interest confusion in metatag and sponsored listing case

A look at some keyword cases and a PPC class action suit

Former band members’ use of service mark is not so Chic

Apple vs. the Big Apple charity over apple-shaped logos

Blackberry and Twitter in a trademark tussle?

1-800-SKI-VAIL found not to infringe VAIL ski resort mark

NASCAR beat to checkered flag in domain name dispute

Alienware goes after “free” computer offer

Sponsored listing trademark action survives motion to dismiss