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Practice:
- Securities Litigation, Class Actions and Shareholder Derivative Lawsuits
- White Collar, Investigations, Securities Litigation & Compliance
Tristan Konstantin Allen Managing Associate
San Francisco
Tristan's practice focuses on the representation of public and privately-held companies in securities class actions, shareholder derivative suits, and other complex business litigation matters. He also maintains an active pro bono practice that includes criminal and civil rights matters.
Tristan graduated Order of the Coif from the University of California, Berkeley School of Law. During law school, he externed for the Honorable Joseph C. Spero in the Northern District of California. Before law school, Tristan worked in investment banking.
Practice:
- Technology & Innovation Sector
- Capital Markets
Andrew Allen Senior Associate
Houston
Andrew concentrates his practice on corporate governance, securities law compliance and various capital markets transactions, including initial public offerings, notes offerings, preferred and follow-on offerings, exchange offers, tender offers, redemptions and consent solicitations. He also has significant experience in transactions involving special purpose acquisition companies including initial public offerings and de-SPAC transactions.
Lauren Allen-Yang Managing Associate
New York
Lauren has experience representing individuals and large companies at all stages of complex civil litigation, from fact-finding to motion practice and everything in between. Lauren practices in federal and state courts nationwide.
Practice:
- Financial & Fintech Advisory
- Strategic Advisory & Government Enforcement (SAGE)
- Fintech
Daniel Alleva Managing Associate
Washington, D.C.
Prior to joining Orrick, Daniel was an associate at Buckley LLP.
Practice:
- Complex Litigation & Dispute Resolution
Robert Allsbrook Of Counsel
New York
Colby has deep experience in financial services, asset-backed security and mortgage-related litigation, and has been at the forefront of litigation arising out of the financial crisis.
Prior to joining Orrick, he was a Director and senior litigation counsel at Credit Suisse Securities (USA) LLC, where he chaired the firm's Mortgage Securities Litigation Task Force and helped direct the bank's litigation response to the mortgage crisis. He previously practiced law in the New York offices of King & Spalding and Cadwalader, Wickersham & Taft.
Practice:
- Energy & Infrastructure Sector
- Energy
- Infrastructure
- Renewable Energy
- Solar Energy
- Wind Energy
- Power
- Public Finance Renewable Energy
- Mergers & Acquisitions
- United Kingdom
- Hydrogen
- Offshore Wind
Simon Alsey Partner
London
Simon represents client in connection with acquisitions, disposals, joint venture arrangements and project agreements in energy and infrastructure investments and financings.
Sarah Amari Associate
Paris
From Orrick Paris Tech Studio, Sarah combines her strategic legal insight with a keen interest in technology, enabling startups and investors tackle complex legal challenges.
Sarah advises founders, tech companies, and venture capital investors throughout their growth lifecycle, covering areas such as corporate governance, employee incentive plans, and M&A transactions.
Practice:
- International Trade and Investment
- Strategic Advisory & Government Enforcement (SAGE)
- Antitrust & Competition
- Italy
Alessandro Amato Associate
Rome
Alessandro's activity focuses on European and competition law, European and Italian, with a particular focus with respect to FDI screening procedures and in State aid matters. He also focus on administrative law related matters, assisting Italian and foreign clients in the areas of public procurement, energy and environment, urban planning and construction and infrastructure, both in and out of court.
Prior to joining Orrick, he worked for an important Italian firm. He also worked as a Blue Book Trainee at the European Commission, DG Competition.
Alessandro graduated with a master’s degree in law at "Roma Tre" University in Rome. He has also earned an LL.M. in Competition and Innovation Law from LUISS School of Law in 2021.
He is qualified as a lawyer in 2020 and has been a member of the Rome Bar Association since 2021.
Practice:
- Complex Litigation & Dispute Resolution
Margaret Anderson Senior Associate
New York
Margaret represents companies and individuals in high-stakes litigation in federal and state courts nationwide. She has extensive experience in all stages of litigation, from pre-suit demands through the conclusion of the appellate process.
Practice:
- Intellectual Property
- Patents
- Japan
Shane D. Anderson Senior Associate
Los Angeles
Shane has experience working on patent disputes in Federal Court and before the Patent Trial and Appeal Board for globally-recognized companies in the domains of software, communications, consumer electronics, and other high-tech fields. He understands what it takes to be successful in complex patent litigation and wields his unique experience and education to gain the best result possible for his clients. Prior to joining Orrick's Intellectual Property Group Shane practiced in Silicon Valley as an associate at a global law firm and focused on patent litigation.
Prior to law school, Shane was an electrical engineer and worked both in Japan and Canada, developing test systems, embedded hardware, and supervisory control and data acquisition (SCADA) software. Shane also worked as an educator in rural Japan, an experience that informs his ability to explain complex topics both clearly and persuasively.
Shane also has a passion for community service and pro bono representation. Among his efforts, he assisted with the representation of plaintiffs in a Voting Rights Act, Section 2, litigation, and advised a small business owner and drafted agreements and contracts.
Practice:
- Mergers & Acquisitions
- Restructuring
Daniela Andreatta Special Counsel
Milan
Daniela practice covers cross-border corporate transactions and the so called “special situations”, which include investments in distressed assets (non-performing loans, debt and/or equity in listed/unlisted distressed companies), buy-outs from insolvency proceedings and bankruptcy-related litigation. In recent years, she has assisted banks, Italian and foreign investors and debtors in complex deals of corporate restructurings relating to the financial indebtedness and concordato proceedings.
Prior to joining Orrick, Daniela was a member of Studio Legale Tributario in Milan, a law firm Associated with Ernst & Young International.
Patricia E. Anglin Of Counsel, Compensation & Benefits
San Francisco
Practice:
- Technology & Innovation Sector
- Compensation & Benefits
Patricia E. Anglin Of Counsel
San Francisco
Patricia is a trusted resource for her clients and leads complex negotiations to provide innovative solutions with regard to benefits design, administration and compliance. Patricia provides substantive knowledge in the defense of benefits litigation matters, has substantial experience with the employee benefit aspects of sales and acquisitions of businesses and is well-versed in the Affordable Care Act and HIPAA.
Patricia regularly advises general counsel, executive management, CEOs, boards of directors, retirement and health plan committees and key leadership of Fortune 500 companies on complex questions and issues regarding the operation of their domestic and international employee benefit plans and compliance with federal and state law.
Before joining the firm, Patricia acted as Senior Manager of National Employee Benefits at Kaiser Foundation Health Plan, Inc. and formerly served as Senior Counsel-Benefits and Executive Compensation at AirTouch Communications, Inc. (now Vodafone).
Patricia also acted as Legislation Counsel on the Joint Committee on Taxation within the United States Congress working extensively on the Clinton health care proposal and other benefits legislation. Prior to the Joint Committee, Patricia was an associate at Pillsbury, Madison & Sutro (now Pillsbury Winthrop).