Christopher Grewe, a former senior associate in patent litigation at Wilson Sonsini Goodrich & Rosati, has been named associate general counsel for intellectual property at The Climate Corporation. The San Francisco-based weather big data company was acquired by Monsanto Corp. in October for $1.1 billion. Grewe previously spent seven years as a litigation associate at Carr & Ferrell. He graduated from Santa Clara University School of Law in 2006.

Matthew Jacobs has been named general counsel of the California Employees’ Public Retirement System. Jacobs comes to the nation’s largest pension fund from DLA Piper, where his litigation practice focused on white-collar criminal and civil litigation. Jacobs is the former chief of the special prosecutions unit in the U.S. attorney’s office in Sacramento.

Samuel Zucker has joined Sidley Austin from O’Melveny & Myers. He is a partner in the life sciences and corporate emerging companies and venture capital practice groups in the Palo Alto office. See story online.

The former chairman of Paul Hastings’ corporate practice in Silicon Valley, Robert Claassen, has joined Kaye Scholer as a partner in the firm’s Palo Alto office. His practice focuses on emerging growth technology companies. See story online.

Hogan Lovells has added corporate partners Nathaniel Gallon and Veronica McGregor. Gallon, who joins in Silicon Valley, comes from Wilson Sonsini Goodrich & Rosati, while McGregor, who joins in San Francisco, hails from Jones Day. See story online.

Dechert has added patent litigator S. Michael Song to its Silicon Valley office. As a partner in the intellectual property practice, he represents clients in litigation matters involving semiconductors, computer hardware and software, network security, telecommunications and medical devices. He comes from McDermott Will & Emery. See story online.

Shaye Diveley has joined Meyers Nave‘s land use and environmental practice group from Morrison & Foerster’s environmental and energy department. Her expertise is in litigating and counseling clients on water quality, endangered species, land use and related issues. She will be based in the firm’s Oakland office.

Los Angeles’ Bird Marella has promoted trial lawyer Ekwan Rhow to name partner, changing the firm’s name to Bird, Marella, Boxer, Wolpert, Nessim, Drooks, Lincenberg & Rhow.

Robins, Kaplan, Miller & Ciresi has added Peitzman Weg, a corporate restructuring and bankruptcy boutique, bringing partners Howard Weg, Scott F. Gautier, James Menton Jr. and David Shemano on board in Los Angeles. The four attorneys focus on corporate restructuring, bankruptcy and commercial litigation matters.

Cozen O’Connor has added Michelle Lee Flores to its labor and employment practice group in Los Angeles. A former partner with Fisher & Phillips, Flores has litigated harassment and discrimination matters involving sex, race, religion, age and disability and wage and hour violations, including class actions and wrongful terminations.

Kaufman Dolowich & Voluck has added Elizabeth Yang as of counsel in its Los Angeles office. Yang was the founder and a name partner at Yang & Wang, where she established a practice in intellectual property law. She received her law degree from the University of La Verne College of Law in 2006.

Please email news about hires, promotions, appointments and awards to