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LATERALS

Cozen O’Connor (Philadelphia): Amy Alderfer and Maria Louise Cousineau join the firm as partners in the Los Angeles office. Alderfer joins the commercial litigation department and Cousineau joins the global insurance department and will focus on insurance-coverage matters and bad-faith litigation. Previously, Alderfer was counsel to Greenberg Traurig and Cousineau was a partner at Sedgwick.

Mayer Brown: Colleen Tracy joins the firm’s intellectual property practice as partner in the New York office and will focus on patent litigation in the pharmaceutical, chemical, biological and biotechnological fields. Previously, Tracy was a partner at Fitzpatrick, Cella, Harper & Scinto.

Orrick, Herrington & Sutcliffe: Shawn Atkinson joins the firm’s corporate group as partner in the London office and will focus on clients in late-stage venture transactions and early-stage private-equity transactions. Previously, Atkinson was a partner at Edwards Wildman Palmer.

Pierce Atwood (Portland, Maine): Stephen MacGillivray joins the firm’s litigation practice as partner in the Providence office and will represent clients in commercial, contract and products liability claims. Previously, MacGillivray was a partner at Edwards Wildman Palmer.

Proskauer Rose (New York): Peter Doyle joins the firm’s litigation practice as partner in the New York office and will focus on commercial, financial, securities and shareholder disputes. Previously, Doyle was a partner at Kirkland & Ellis.

Robins, Kaplan, Miller & Ciresi (Min­neapolis): Michael Whitt joins the firm as partner in the Naples, Fla., office. Whitt will also establish the firm’s eminent-domain practice and will focus on eminent domain, business and real estate disputes. Previously, Whitt was a partner at Becker & Poliakoff.