Paris
An M&A and private equity lawyer, Patrick advises French and international companies and investors on all aspects of corporate law in the context of acquisitions, disposals, mergers, reorganizations, including business carveouts and strategic alliances.
Patrick is particularly active in the energy and infrastructure fields as well as the tech sectors, working alongside investment funds, French and foreign groups, on both domestic and cross border transactions. Patrick also has significant experience in M&A projects with a focus in the real estate sector where he acts as lead counsel on high-profile transactions.
Recognized by the major international ranking guides, Patrick is described by his clients as as "[ ] very smart and has a constructive approach and a deep knowledge of the law", "highly business-oriented with strong commercial awareness" and “always able to find solutions.” (Chambers Global 2025 – Corporate/M&A: High-end Capability).
Patrick formerly served as co-chair of Orrick's global M&A and Private Equity practice.
Prior to joining Orrick in 2016, Patrick was a partner in a Magic Circle law firm.
Washington, D.C.
Washington, D.C.
Katie focuses her practice on mergers and acquisitions, joint ventures, private equity investments, and general corporate matters for clients primarily in the oil and gas, renewables, and conventional power industries.
Sacramento
Dixie guides clients through their most complicated and high-stakes legal challenges involving their workforces. She has experience representing clients in the technology, professional services, and retail industries in a broad range of employment and commercial litigation disputes, ranging from whistleblower, discrimination, harassment, disability, employee mobility, breach of contract, trade secret, and business tort claims. She brings to the table experience trying cases to verdict in state and federal court, litigating cases in AAA and JAMS arbitration, and mediating with private mediators and the EEOC.
Dixie maintains an active pro bono case load and volunteers with a number of non-profit organizations focused on children's rights and education.
Prior to joining Orrick, Dixie worked as a litigation associate in Latham & Watkins' Los Angeles office. Before that, Dixie was a law clerk for the Honorable William B. Shubb in the Eastern District of California. She earned her Juris Doctor degree from Harvard Law School where she graduated cum laude.
New York
A veteran antitrust litigator, Rob has litigated and counseled on high-profile antitrust matters on behalf of leading companies in a wide range of sectors, including litigated merger challenges, putative antitrust class actions, government antitrust investigations, and private actions against competitors. He has successfully litigated cutting-edge competition matters, including defending against allegations of algorithmic collusion and price-fixing through the use of software.
From late 2018 through early 2019, Rob completed a secondment at the litigation department of a major media company.
Rob maintains an active pro bono practice, where his work has focused primarily on benefits applications and appeals for low-income disabled veterans.
Prior to joining Orrick, Rob was an active-duty Army JAG officer, where he served as a Special Assistant U.S. Attorney, an administrative law attorney, and a special victims counsel, among other roles. As a Special Assistant U.S. Attorney, he first-chaired more than 10 trials in federal court, including two jury trials.
Munich
She acts on corporate transactions including leveraged buy-outs, management buy-outs, minority participations and expansion or growth financings as well as M&A transactions, often with cross-border aspects.
Before joining Orrick, she had been an associate in the private equity group of a U.S. headquartered law firm. As part of her legal clerkship, Maria worked for another U.S. law firm and a leading German law firm, among others.
Milan
As a partner resident in Orrick’s Milan office and a senior member of the M&A and Private Equity Group, Guido is acclaimed for his broad expertise and comprehensive knowledge in the field.
In the area of M&A, he regularly assists leading corporations, investment holding companies, and family offices in structuring and negotiating domestic and cross-border mergers, acquisitions, and strategic alliances. His experience extends across a range of industries, with a particular focus on the industrial and healthcare sectors, where he is known for his ability to manage sophisticated transactions and deliver practical solutions.
Guido’s private equity practice is distinguished by his work with both investment funds and, above all, entrepreneurs. Guido is a key legal partner to Italian entrepreneurs, advising on all aspects of corporate law and governance. He is valued for his ability to act as a business partner, providing ongoing counsel on day-to-day operations as well as long-term planning and extraordinary transactions. Clients rely on his deep sector knowledge, commercial acumen, and pragmatic approach to navigate complex legal and business challenges. Moreover, he advises investment funds on the structuring and execution of acquisitions and disposals, helping them identify opportunities, manage legal risks, and achieve their strategic objectives in the Italian market.
In the area of joint ventures, Guido has significant experience advising on the formation and management of strategic partnerships and alliances, enabling clients to pursue growth opportunities and innovation in highly competitive markets.
Guido also has extensive cross-border experience, regularly assisting international corporate and funds investing in Italy as well as Italian corporate and funds pursuing opportunities abroad, ensuring seamless execution and effective cross-border coordination.
Guido is recognized as a Leading Partner in Private Equity by Legal 500. He is ranked in Chambers Europe for Private Equity and for Corporate/M&A: Mid-Market, reflecting his strong reputation and expertise in the Italian legal market.
New York; Silicon Valley
New York; Silicon Valley
Stephen’s practice focuses on the representation of life science, medical device, health IT, and other technology companies in transactional matters, including public and private financings, licensing, collaborations and strategic alliances, and mergers and acquisitions. He also represents venture capital firms in public and private financing transactions.
Stephen is recognized as a Leading Life Sciences Lawyer by LMG Life Sciences in their 2021/2022 rankings and short-listed as Venture Capital Attorney of the Year. He has served as a member of the Board of Tech Council of Maryland, the leading technology and life science association in that state, and of BayBio, Northern California’s leading life sciences association. Stephen is a frequent speaker on venture capital financings and served on the faculty at the 2005 and 2007 Emerging Entrepreneurs workshops at Stanford University.
Prior to joining Orrick, Stephen was a partner at Morrison & Foerster, Venture Law Group and Heller Ehrman. He began his legal practice as a litigator, focusing on securities and intellectual property. He also served as a law clerk to the Hon. Vaughn R. Walker in the United States District Court in the Northern District of California. Stephen graduated Order of the Coif from Stanford Law School, where he was managing editor of the Stanford Law Review, and graduated magna cum laude from Harvard College in Biology.