 In 2001, the firm merged with Winthrop, Stimson, Putnam & Roberts of New York City (Winthrop Stimson's predecessor was founded in 1868 by future Secretary of State and Nobel Peace laureate Elihu Root; another past partner was statesman Henry L. Stimson).The firm changed its name to Pillsbury Winthrop.In 2005 Pillsbury Winthrop merged with Shaw Pittman (formerly Shaw, Pittman, Potts & Trowbridge), a 300-lawyer Washington, D.C.-based firm working in global sourcing, energy, real estate, technology and communications.