Paul Sieben
Partner
Paul Sieben is a Partner in O’Melveny’s Silicon Valley office and a member of the Firm’s Corporate and Mergers and Acquisitions Practices. Paul focuses on corporate and securities law. He has extensive experience with various types of transactions, including representing issuers, investors and underwriters in venture capital financings, mergers and acquisitions, spin-off and buyout transactions, recapitalizations, public equity offerings and private debt offerings.
The Legal 500 US (2009) recognizes Paul as a leading lawyer in its Emerging Companies category, citing the "extraordinary support" he provides to clients, and his ability to "produce very high quality work on short timelines."
Paul counsels both private and public technology and emerging growth companies and boards of directors with respect to securities law and Sarbanes-Oxley compliance and other corporate governance matters, including securities offerings, equity restructuring, buybacks, formation, and founders' agreements. He also represents a large number of venture capital firms and investment banks in various securities and transactional matters.
In addition to his serving as lead counsel on over 250 venture capital and private equity financings, over 50 merger and acquisition transactions ranging in size from $1 million to over $2 billion and a large number of recapitalizations, public offerings and other transactions, certain of his transactional matters have included:
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spin-out of biometrics business out of public semiconductor company
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private equity buyout of Brazilian telecommunications company
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$350 million sale of private data loss prevention company
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$550 million Nasdaq public offering of flash memory company
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$100 million sale of network attached storage company
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$270 million Nasdaq initial public offering of a U.K. automation company
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spin-out of switching business out of public networking company
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$100 million sale of storage security company
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$450 million sale of optical components company
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$2.2 billion sale of networking company
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$450 million purchase of networking company on behalf of the world’s largest networking company
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$180 million convertible debt offering of public ATE company on behalf of investment bank
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$150 million convertible debt offering for networking company
Paul’s clients include companies in a wide range of technology markets. He has substantial experience with companies in the security, storage, clean technology, semiconductor, media, mobile, internet, gaming, and enterprise software markets, and has significant experience with investments in life science companies. Paul also has significant experience representing Cayman entities doing business in China.
Prior to joining O’Melveny, Paul was an associate in the Palo Alto office of Brobeck, Phleger & Harrison.