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Andrew Yen is a managing associate in Orrick’s Intellectual Property
Group. His practice focuses on complex patent infringement
litigation in federal district court and the ITC.
Andrew’s experience includes litigating patent cases involving consumer electronics, digital cameras, camcorders, voice recorders, ink jet printers, displays, mobile phones and semiconductors.
Prior to joining Orrick, Andrew was an associate at another leading international law firm. While in law school, he studied international and IP law in Tokyo, worked in the Tokyo office of a leading U.S.-based law firm, and also worked at a Japanese patent law firm.
Prior to attending law school, Andrew worked as a research assistant at the Massachusetts Institute of Technology, where he conducted structural and functional studies on iron regulatory proteins. In addition, he worked as an engineer in the research and development department of a medical coating technology company.
Sook Young Yeu, a partner in Orrick’s Hong Kong office, is a member of the M&A and Private Equity Group.
Sook focuses her practice on corporate and securities matters in connection with the establishment of private investment funds and ongoing representation of investment funds, fund managers, fund sponsors and fund investors. This includes private equity and venture capital investment, along with related mergers and acquisitions, corporate restructurings, and public and private securities offerings throughout the Asia-Pacific region.
During the last 30 years, Sook has advised Asian institutional investors investing in U.S., European and Asian private funds, as well as Asian private equity and venture capital funds sponsored by U.S., European and Asian financial institutions, and Asian hedge funds managed by independent fund managers. Her extensive experience covers virtually every type of fund, including private equity funds, venture capital funds, real estate investment funds, hedge funds, buyout funds, mezzanine funds, funds-of-funds, co-investment funds and restructuring funds.
Sook has served as the administrative partner in charge of Orrick’s Hong Kong office since 2005. Before joining Orrick, she was a partner of Coudert Brothers and the partner in charge of its Hong Kong office responsible for the firm’s Asian Investment Management Practice.
Yolanda Yong is a managing associate in the Corporate group and has advised on a range of cross border and domestic transactions focusing on the energy and infrastructure sector.
Yolanda has spent almost a year on secondment with a leading wind farm developer as the legal adviser to a UK offshore wind farm and also to the head office of a FTSE 250 construction and facilities management company.
Daniel Yost is chair of the Technology Transactions and Licensing practice at Orrick and a prior co-chair of Orrick’s Technology Companies Group. He is recognized for negotiating complex commercial and technology transactions and intellectual property counseling.
Highly regarded for his expertise, Chambers USA noted that, “His work is solution-driven and his positive personality helps both sides of a negotiation work towards the outcome.” Legal 500 describes his practice as “exceptional” and recommends the practice for its “high client service ethic and great commercial awareness."
Daniel has counseled clients on commercial law, copyright, licensing, marketing, patent, privacy, strategic alliances, trademark and trade secrets matters.
Daniel has represented companies in various industries, including biotechnology, consumer electronics, energy, entertainment, hardware, Internet, media, semiconductor, services, software, telecommunications and wireless. His energy clients include clients in the solar, ethanol, biomass, geothermal and water purification sectors.
Daniel has acted as key legal counsel in:
Daniel is a thought leader on technology transactions issues and programs that focus on the protection and exploitation of intellectual property.
Jason Yu is an associate in Orrick's Silicon Valley office and a member
of the Intellectual Property Group. His practice focuses primariliy on patent litigation and proceedings before the Patent and Trademark Office.
Silicon Valley; San Francisco
Silicon Valley; San Francisco
Harold Yu is deputy head of Orrick's Technology Companies Group. He is based in Orrick's Silicon Valley and San Francisco offices.Harold advises technology companies and has significant experience with venture capital financings, debt financings, public offerings, mergers & acquisitions and technology transactions. Mr. Yu is deeply interested in technology. Prior to law school, Mr. Yu was a software engineer at Oracle Corporation and an intern at NASA Ames Research Center.
SueAnn Yue, an attorney in the Los Angeles office, is a member of the Structured Finance Group.
SueAnn represents issuers, sponsors, placement agents, servicers, underwriters, and other market participants in connection with both public offerings and private placements, asset acquisitions and sales and the negotiation of lending facilities.
Her practice encompasses a variety of asset-backed securities, including credit and charge card receivables, residential mortgage-backed securities (RMBS), agency and government sponsored mortgage loans, and tax lien-backed securities.
SueAnn advises clients on the implications of financial markets regulation, including the implementation of the Dodd-Frank Act. SueAnn is also an editor of Orrick's Financial Industry Week in Review.
Isabelle Zakine-Rozenberg is an employment lawyer, based in Orrick's Paris office.
Isabelle advises French and international corporations on all matters related to French Employment and French Criminal Law. She provides advice in pre-litigation and represents clients’ interests before French courts.
Prior to joining Orrick, Isabelle worked at Freshfields Bruckhaus Deringer
for twelve years and previously at Bélier & Associés.
Elizabeth Zane, an associate in the Washington, D.C., office, is a member of the International Trade and Compliance Group. As part of her practice, Elizabeth regularly advises clients on Export Administration Regulations (EAR), International Traffic in Arms Regulations (ITAR) and regulations administered by the Office of Foreign Assets Control (OFAC).
Elizabeth's experience includes work on internal investigations, voluntary disclosures, commodity jurisdiction requests and developing and implementing compliance programs. Elizabeth also advises clients on government contracting matters.
Paul Zarnowiecki is a partner in Orrick's Washington, D.C., office and a member of the Energy and Infrastructure Group. Paul represents sponsors, investors, utilities and other strategic participants in corporate and project finance transactions, primarily in the energy and infrastructure sectors.
Transactions on which Paul has advised include the development, financing, acquisition and divestiture of renewable and conventional power projects and other infrastructure assets in a broad range of commercial and corporate transactions. He has served as lead counsel on some of the most innovative and complex U.S. renewable energy transactions in recent years, including Deal of Year projects in both the wind and solar energy sectors, the U.S. Army’s largest renewable energy transaction to date, and the first power purchase agreement for offshore wind energy in the United States.
Marco Zechini is a partner in Orrick's Rome office, member of the M&A and Private Equity group and head of the Italian Banking and Financial Services Regulation practice.
He has experience in banking, insurance, financial services and asset management regulation, as well anti-money laundering and the relevant corporate governance matters.
Marco regularly advises banks, financial institutions, payment institutions, IMEL, investment firms, asset management companies, both in authorization procedures (before Bank of Italy and Consob) and in the structuring of new services and products, administrative sanctions proceedings, ad interim measures and sanctions related to the provisions of banking, financial, investment and insurance services.
His work in the financial industry includes drafting of contracts and documentation for offering of banking, financial, insurance and investments products, as well as auditing of internal organizational policies and procedures, partnership, distribution, and outsourcing agreements.
With a solid corporate background, he also handles sophisticated corporate transactions.
Marco is liquidator and member of the Supervisory Board of some intermediaries in crisis by appointment of the Bank of Italy.
Marco Zechini teaches Financial Markets law at the Faculty of Economics of the Rome University ' La Sapienza ' where he is also lecturer to the Master of Financial Markets on solicitation of investment and public sales offers and subscription.
He is adjunct professor to the International University of Rome (UNINT), teaching "e-money and Electronic Funds Transfer."
Marco Zechini is advisor to A.I.F.I. (Italian Association of Private Equity and Venture Capital) in anti-money laundering regulation. He is frequent speaker to conferences organized by prominent financial regulation institutions.
Patricia Zeigler, Of Counsel in the Washington, D.C., office, focuses her practice on antitrust law with particular emphasis in Hart-Scott-Rodino Act compliance and counseling. Her experience includes advising clients on issues of reportability and interpretations of the Hart-Scott-Rodino Antitrust Improvements Act and its regulations.
Pat also has expertise in the applicability of foreign premerger requirements and filings with regulators in the European Union, Asia and Canada.
Pat served as antitrust counsel to two large industry groups establishing Business to Business exchanges for E-commerce transactions. She currently serves as general counsel to five large trade associations in a wide range of industries. In addition, Pat works with trade groups to set up and run joint purchasing organizations.
Prior to joining the firm, Pat practiced antitrust law for over a decade with Pillsbury Madison & Sutro.
In addition to being admitted in the District of Columbia, Pat is also admitted in California (inactive).