GREAT GOOGLEY-MOOGLEY: Google's blockbuster IPO had all the tongues wagging last week, and the company did its best to keep things as mum as possible. Well, now that some of the dust has settled, people are starting to poke around and see what's underneath that Google hood. And it seems that there are a few skeletons hanging in the patent closet:

"In the section outlining risks to its business, Google described several lawsuits it faces, including a patent infringement suit by Yahoo Inc. unit Overture Services Inc. and a series of actions stemming from ads Google sells that are tied to searches on trademarked names.

But Google's filing omitted one high-profile case involving Digital Envoy Inc., which developed a way to target ads to Web surfers based on geography. The Norcross, Ga.-based company sued Google in March for misusing its technology and asked a federal judge in Atlanta to block Google from using it. Digital Envoy is also seeking a cut of Google's profits."

Yow.