Patrick O’Brien is co-head of the firm’s Securities and Public Companies practice. He concentrates his practice on the life science, healthcare and technology practice areas representing public and private companies, underwriters and investors. Patrick has extensive experience representing life science, healthcare, technology companies and underwriters in connection with public and private equity and debt offerings, as well as mergers and acquisitions. He also focuses on assisting companies and universities with licensing, sales of royalty streams, and the negotiation of joint ventures.
- Represented Alexion Pharmaceuticals in its $610 million acquisition (plus milestones) of Enobia Inc.
- Counsel to the underwriters (UBS and Leerink Swan) in the IPO of Verastem Inc.
- Represented Aptalis Pharma in various financings.
- Represented Immuncor in its $400 million high yield bond offering.
- Counsel to the underwriters (Goldman Sachs) in a $400 million convertible note offering by Regeneron.
- Counsel to the underwriters (JP Morgan and Morgan Stanley) in the $88 million IPO of Aveo.
- Represented a publicly traded specialty pharmaceutical company in a complex acquisition and related royalty based financing.
- Represented a university in connection with the sale of a pharmaceutical royalty stream.
Honors & Awards
The Best Lawyers in America (Securities) (2005-2012) Chambers USA: America's Leading Lawyers for Business (2008-2011) PLC Which Lawyer (2010-2011)
©1996-2012 Ropes & Gray LLP. All rights reserved.
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Education
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JD, Boston University School of Law, 1989
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BA, University of Illinois, 1983
Bar Admissions
- Illinois, 1990
- Massachusetts, 1989
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