Legal

The trademark war continues over Google Inc.'s popular and profitable AdWords program. AdWords allows advertisers to purchase "sponsored links" that appear as a result of Google searches that use specific words, which can be trademarks of third parties....

Advertisers should be careful when they buy search-engine keywords that resemble their competitors' names, writes intellectual property lawyer Deborah Wilcox. Though several suits have been filed over the practice, the legal ground is still uncertain....