PALO ALTO — Lithium Technologies has snatched up the social media scoring startup Klout for about $200 million, the San Francisco-based companies announced on Thursday. Lithium turned to Wilson Sonsini Goodrich & Rosati for counsel while Klout tapped Goodwin Procter.

Lithium, founded in 2011, helps brands like AT&T, Best Buy, Sephora and Skype with customer service management by giving them data on social technology platforms. Rob Tarkoff, president and CEO, said with 6-year-old Klout under its wings, Lithium will “deliver on its vision of building a trusted online connection between consumers and the brands they care about.”

The precise terms of the deal were not disclosed.

Goodwin’s deal team was led by Menlo Park partners Caine Moss and Lawrence Chu. They were supported by associates John Reinsch in San Francisco and Ryan Stouffer and Natalie Martirossian in Menlo Park; labor and employment partner Lynda Galligan and associates Nicholas Frey and Sebastian Miller in Menlo Park; tax partner Kelsey Lemaster and associate Gabriel Grossman in San Francisco; and intellectual property associate Che Chang in Menlo Park.

Wilson Sonsini’s Palo Alto-based corporate finance partner David Segre led the team representing Lithium, which included corporate associates Tait Svenson and Shauna Johnston in the firm’s SOMA office and Eldon Wright in Palo Alto.

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