The US firm more than halved the number made up year-on-year, having promoted 27 in 2007.
Of the promotions, the London office has received one this time round. The firm's US offices received the highest number of new partners with New York, San Francisco and San Diego all receiving two each, while Northern Virginia and Palo Alto received one apiece. In Asia the firm's Tokyo office received one new partner.
Morrison & Foerster chairman Keith Wetmore said: "We've elected an exceptional group of lawyers to the partnership. This year's newly elected partners reflect continued investment in our distinguishing practice strengths and our international reach."
A number of US firms have dramatically reduced partner promotions this year in light of the economic downturn.
Last month The Lawyer reported on Mayer Brown adding 27 to its partnership this year compared to 43 in 2007 (26 November).
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