Davis Polk & Wardwell is advising Comcast Corporation on its acquisition of Plaxo, Inc., a California-based Internet company that develops automatically updating address book software and social networking software. The terms of the transaction were not disclosed.

The Davis Polk corporate team includes partner William H. Aaronson and associates Eli J. Vonnegut (not yet admitted) and Robby Sen (not yet admitted). Partner Rachel D. Kleinberg of the Menlo Park office is providing tax advice. Partner Kyoko Takahashi Lin and associate Sam I. Valverde (not yet admitted) are providing benefits advice. Counsel Betty Moy Huber and associate Fiona Watson are providing environmental advice. Counsel Joseph J. Sperber and associate Alan R. Lewis are providing real estate advice. Associates Frank J. Azzopardi, Matthew J. Bacal and Christopher L. Beals (not yet admitted) are providing intellectual property advice. Partner Arthur J. Burke is providing antitrust advice. Samuel Lines is the legal assistant on the transaction. Except as indicated above, all members of the Davis Polk team are based in the New York office.