Davis Polk is advising ARM Holdings plc in connection with its leading participation in a consortium of major technology companies affiliated with Allied Security Trust, which has entered into an agreement with MIPS Technologies, Inc. to obtain rights to its patent portfolio. The MIPS patent portfolio includes 580 patents and patent applications covering microprocessor design, system-on-chip design and other related technology fields. The consortium will pay $350 million in cash to acquire rights to the portfolio, of which ARM will contribute $167.5 million. The transaction, which is subject to MIPS shareholder approval, is expected to close in the first quarter of 2013.

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Latham & Watkins LLP is pleased to announce Jean-Philippe “JP” Brisson has joined the firm’s New York office as partner in the Environment, Land & Resources Department and Vice Chair of the firm’s Air Quality & Climate Change Practice Group. Brisson has broad expertise advising both oil and gas companies and financial services firms on a wide range of environmental matters including carbon finance, renewable energy and commodities.

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Shearman & Sterling advised Citigroup Global Markets Inc., Crédit Agricole Corporate & Investment Bank, HSBC Securities (USA), Inc., J.P. Morgan Securities LLC, Mizuho Corporate Bank, Ltd. and Sumitomo Mitsui Banking Corporation as joint bookrunners and joint lead arrangers in connection with a $1.25 billion revolving credit facility for Petróleos Mexicanos (PEMEX).

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Carter Ledyard  is pleased to announce that Christian Moretti has joined the firm as partner in its Corporate Department and Co-Chair of its European Cross-Border Practice effective November 5, 2012.

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Simpson Thacher represented the underwriters, led by J.P. Morgan Securities LLC, in connection with the registered public offering by Block Financial LLC, a wholly-owned subsidiary of H&R Block, Inc., of $500 million aggregate principal amount of 5.50% notes due 2022 guaranteed by H&R Block.

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