Yahoo is suing Facebook, the social networking heavyweight, a few weeks before is due to cash in with its initial public offering of stock.
Facebook has infringed 10 of its patents covering advertising, privacy controls, and social networking according to a court filing on Monday by Yahoo Inc.
“We’re disappointed that Yahoo, a longtime business partner of Facebook and a company that has substantially benefited from its association with Facebook, has decided to resort to litigation,” Facebook said in a statement.
Yahoo has invested “substantial resources in research and development” over the years, the company said while defending its lawsuit and said Facebook and other websites would not enjoy “repeat visitors or substantial advertising revenue” without Yahoo’s innovations.
Sunnyvale, California-based Yahoo filed the lawsuit Monday in federal court in San Jose, California asking for unspecified damages and a jury trial.