People

Alex V. Chachkes Partner Patents, Intellectual Property

New York

Alex Chachkes, a partner in the New York office, is a member of both the Intellectual Property Group and the Supreme Court and Appellate Litigation Group.  Alex focuses on the litigation of complex intellectual property actions, primarily patent actions.  Alex frequently counsels companies on multinational litigation strategy and the management of their worldwide IP portfolios, as well as manages IP due diligence in the M&A context.

Alex's cases have involved technologies such as telecommunications, software, microprocessors, wireless devices, computer peripherals, video games, pharmaceuticals, recombinant DNA technology, chemicals and protein science. Alex has tried numerous cases before the United States district courts and the International Trade Commission. Alex also practices before the Patent Trial and Appeal Board.

Alex is frequently quoted in the media on intellectual property law issues, including in the Wall Street Journal and the New York Times.

Alex is on the Board of the Legal Aid Society. He also is active in pro bono matters, including through Legal Aid (from whom he received a Pro Bono Publico Award in 2017), the New York County District Attorney's Office and Lawyers for Children.  Alex has also represented pro bono St. Bartholomew's Church of New York and individual artists and artisans

Prior to law school, Alex was a researcher with United Technologies International Operations in Tokyo, Japan, and a laboratory researcher at the Tokyo Institute of Technology in Yokohama, Japan.

Ben Chagnon Managing Associate Supreme Court & Appellate

Washington, D.C.

A former D.C. Circuit and Seventh Circuit clerk, Ben is a member of Orrick's Litigation Group and Supreme Court and Appellate practice.

Ben has experience in a wide range of subject areas, including class actions, administrative law, intellectual property, and the Fourth Amendment.

Before joining Orrick, Ben served as a law clerk for Judge Judith Rogers of the U.S. Court of Appeals for the District of Columbia Circuit and Judge David Hamilton of the U.S. Court of Appeals for the Seventh Circuit. Ben graduated from Stanford Law School, where he worked on certiorari and merits stage briefing in two Fourth Amendment cases as a member of the school's Supreme Court Litigation Clinic. 

Noël Chahid Nourai Senior Counsel Energy, Infrastructure

Paris

Noël Chahid-Nouraï is a lawyer in Orrick’s Paris office and a member of the Public law team. He represents governments, public entities, companies and financial institutions on complex energy and infrastructure projects, concessions and PPP, regulatory matters and disputes, in France and abroad, including African countries.

According to Chambers & Partners, Noël is consistently recognized by his clients as a top practitioner in France, notably for his contractual and regulatory work. His vast experience on PPP, concessions and public procurement matters includes advising the French government on both the renewal of hydroelectric concessions and the ASFA association and several motorway companies on their relations with the French State.

Noël has also advised key players in the telecommunications, audiovisual, energy, data protection (GDPR) and financial sectors on regulatory matters, as well as public structures and semi-public companies on corporate work (creation, development and modification, etc.). He also has a focus on public law litigation, from a contractual and regulatory perspective. Noël has a strong expertise in terms of public persons and public law arbitrations (arbitration proceedings and appeal of arbitration awards).

With a long-standing experience on international projects, Noël has represented clients in many cross-border transactions. As such, he was involved in 2014 in the acquisition of Alstom’s Power and Grid businesses by General Electric, where he advised on the regulatory and investments control aspects.

Noël started his career in public administrations where he was, among various other experiences, Advocate General and President of one of the dispute chambers of Conseil d’État, Legal counsel to the Minister of Foreign Affairs, Director of the Office of the Ministry for Foreign Trade, Deputy Director General of the French national film administration (CNC). After three years as a tax lawyer at an independent French law firm, he headed the Public Law department in the Paris office of another major international law firm from 2001 to 2011. Until 2020, he was co-heading Orrick's Public Law team.

Amy Chan Senior Associate Structured Finance, Mortgage Related Securities

New York

Amy Chan, an associate in the New York office, is a member of the Structured Finance Group. Amy represents a variety of market participants, including sponsors, issuers and underwriters, in public and private offerings of commercial mortgage-backed securities.

Steffi Chan Senior Associate Public Finance

San Francisco

Stephanie Chan is a lawyer in the Public Finance Department in Orrick’s San Francisco office.

Steffi has participated as bond counsel, disclosure counsel and underwriter’s counsel on a variety of transactions including general obligation bond financings, revenue bond financings and lease financings for school districts, community college districts, local government and state agency clients.  

Anson Chan Managing Associate M&A and Private Equity, Funds

Hong Kong

Anson Chan, a managing associate in Orrick’s Hong Kong office, is a member of the M&A and Private Equity Group.

Anson focuses her practice on representing private fund sponsors and investors in the formation and structuring of alternative investment vehicles, including pan-Asian private equity funds, venture capital funds, hedge funds and hybrid funds, as well as in their investments, acquisitions, divestments and restructurings across the Greater China region. She regularly handles matters covering funds establishment and license applications.

She is also experienced in handling mergers and acquisitions involving Hong Kong listed companies, initial public offerings, as well as other compliance and general corporate matters.

Prior to joining Orrick, Anson worked at Clifford Chance and Sidley Austin in Hong Kong.

Cathleen Chang Managing Associate Tax, Public Finance

Houston

Cathleen is a managing associate specializing in tax-exempt bond financing.

Cathleen provides services for local governments, state agencies, and school districts in connection with infrastructure, financings and related projects. She also has experience in bond financings for health care facilities, multifamily housing, non-profit organizations, and public utilities, as well as experience in tobacco revenue securitizations. In addition to tax-exempt financings, Cathleen also represents clients in IRS audits and non-profit corporation tax matters.

Roland Chang Senior Associate Complex Litigation & Dispute Resolution, FCPA & Anti–Corruption

San Francisco

Roland Chang is a lawyer in Orrick's White Collar, Investigations, Securities Litigation & Compliance group.  He represents foreign and domestic clients in connection with government enforcement actions, FCPA compliance monitorships, internal investigations, and criminal and civil litigation.  Roland has hands-on experience with all aspects of investigations, monitorships, and litigation, including jury trials, handling witness interviews, drafting reports, taking and defending depositions, and managing large teams.

Roland is a regular contributor to Orrick’s Trade Secrets Watch.  Prior to joining the firm, he was an Orrick Attorney Fellow at the Public Interest Law Project in Oakland, California, where he engaged in impact litigation related to affordable housing and public benefits programs. 

Roland is actively involved in diversity and inclusion initiatives—he currently serves on the Board of Directors for the Asian American Bar Association of the Greater Bay Area (AABA), the largest APA bar association in the United States. 

Stephen E Chao Associate M&A and Private Equity, Corporate

Silicon Valley

Stephen Chao is an associate in Orrick's Silicon Valley office and a member of the Mergers & Acquisitions and Private Equity group.

Prior to joining Orrick, Stephen worked for Google, where he performed due diligence on M&A transactions and supported the Google Cloud Platform and global datacenter operations legal teams in negotiating and executing contracts.

Following his first year of law school, Stephen worked as an intern at LinkedIn, where he supported LinkedIn’s legal team on a variety of corporate, privacy, commercial and IP matters.

At Berkeley Law, Stephen served on the editorial boards of the California Law Review and Berkeley Technology Law Journal. Stephen received his B.A. from the University of Pennsylvania, where he graduated magna cum laude.

Christina Charemi Managing Associate International Arbitration & Dispute Resolution, Intellectual Property

Geneva

Christina Charemi is an associate in Orrick's Geneva office, whose practice focuses on international dispute settlement and intellectual property.  Her case experience has encompassed high-value international commercial and investment treaty arbitrations in a range of industrial sectors, including technology, banking, international trade, construction and energy.  Prior to joining Orrick, Christina worked as an associate in the dispute resolution department of a magic circle law firm in both Germany and Hong Kong, and as Counsel at the Hong Kong International Arbitration Centre. 

Christina has acted for clients in both ad hoc and institutional arbitrations under most major procedural rulesets, including the ICSID Convention, UNCITRAL Rules, ICC, LCIA, HKIAC and the Swiss Rules.  She has represented a range of clients, including major financial institutions, technology groups, Fortune 500 companies and commodities traders.  She has also acted as Tribunal Secretary in emergency international arbitration proceedings under the HKIAC Rules. 

Christina's experience in arbitration is complemented by her practice and background in intellectual property.  Having studied and worked in the Silicon Valley, Christina has frequently written and advised on matters of international intellectual property law, particularly those at the junction with international arbitration. 

Chris Chavez Senior Counsel Real Estate, Real Estate Finance

San Francisco

Practical real estate lawyer with a focus on tech and clean energy sectors, a long history of representing institutional investors and lenders, and a deep commitment to enhancing diversity and inclusion in the legal profession.

Chris has expertise in acquisition, disposition and financing of large portfolios of commercial real estate; distressed debt; negotiation of joint ventures for development projects; construction contracts; data center leasing/co-location; office leasing; and transactions involving multi-family housing.

Chris has a long history of service to Orrick’s diversity initiatives and has served as a co-chair of the San Francisco Diversity Committee for many years. She is also very involved in diversity efforts at Berkeley School of Law.

Chris was resident in the firm's Tokyo office from 1999-2002.

Sara Chehrehsa Managing Associate Technology Companies Group

San Francisco

Sara Chehrehsa is a lawyer in the San Francisco office and a member of the Technology Companies Group.

Sara focuses primarily on representing high growth technology companies in general formation, venture capital and private equity financings, and mergers and acquisitions.