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6299_740x360

Practice:

  • Antitrust & Competition
  • Antitrust Counseling & Compliance

Patricia Zeigler Of Counsel Antitrust & Competition, Antitrust Counseling & Compliance

Washington, D.C.

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).

567_740x360

Practice:

  • Intellectual Property
  • Copyright, Trademark & False Advertising
  • Cyber, Privacy & Data Innovation
  • Trade Secrets Litigation

Thomas Zellerbach Senior Counsel Intellectual Property, Copyright, Trademark & False Advertising

Silicon Valley

Tom Zellerbach knows how to quickly and creatively resolve IP litigation, safeguarding his clients’ precious time and financial resources.

When representing global technology leaders or emerging companies, he looks at each case with fresh eyes, tailoring his strategy to each client’s particular legal and business objectives, as well as their company culture.

Having handled dozens of trademark, copyright and advertising disputes before the federal courts, U.S.P.T.O., T.T.A.B. and the National Advertising Division, he knows how to obtain the best possible result, whether through a trial victory or by resolving a dispute before litigation.

370333

Practice:

  • M&A and Private Equity
  • Corporate
  • Corporate Governance
  • Energy
  • Infrastructure
  • China

Sarah Zeng Partner M&A and Private Equity, Corporate

Beijing

Sarah (Ying) Zeng, a partner in Orrick’s Beijing office, is a member of the M&A and Private Equity Group. She has more than 25 years of corporate law experience serving Chinese state-owned enterprises (SOEs) and U.S. multinational companies.

Sarah’s practice focuses on China outbound M&A, foreign direct investment (FDI) transactions in China and other cross-border transactions with Chinese components. She has extensive experience in representing Chinese SOEs, private corporations and private equity funds, as well as multinational corporations in cross-border M&A transactions, including divestitures, joint ventures and FDIs.

Having served as general counsel of the Hong Kong-listed Weichai Power (China’s largest engine manufacturer), and the vice president and country manager (China) for El Paso Corporation (a Fortune 500 energy company), Sarah is uniquely positioned to provide clients with practical, specific and dynamic advice with her combined legal and business insights and in-depth knowledge in the energy, infrastructure and manufacturing sectors. During her time at El Paso Corporation, Sarah chaired the boards of four major power plants owned by the company in China for eight years.

Prior to joining Orrick, Sarah was a managing partner at Dentons’ Beijing office.

371910

Practice:

  • China
  • Corporate
  • M&A and Private Equity

Victor Zhang Associate China, Corporate

Beijing

Yu (Victor) Zhang, an associate in Orrick’s Beijing office, is a member of the M&A and Private Equity Group.

Victor regularly represents Chinese and international corporate and private equity clients in cross-border mergers and acquisitions, private equity, venture capital, foreign direct investment (FDI) transactions, joint ventures, restructuring and other general corporate and compliance matters.

He is particularly experienced in advising Chinese state-owned enterprises (SOEs) on their outbound acquisitions and investments. His clients cover a range of industries, including energy, metals and mining, and technology.

In addition, Victor has experience handling a number of Hong Kong and US IPOs for Chinese issuers.

Prior to joining Orrick, Victor practiced at two major international law firms for many years.

Practice:

  • Patents

Yuanjia (Gina) Zhang Patent Agent Patents

Silicon Valley

Dr. Yuanjia (Gina) Zhang, a patent agent in the Silicon Valley office, is a member of the Intellectual Property Group.  As a patent agent, Dr. Zhang performs tasks related to patent prosecution including preparing and prosecuting patent applications. 

Dr. Zhang has broad technical background and experience in materials science and engineering, electronic devices, nanotechnology, and printing technology.  In particular, her technical areas include nanofabrication, semiconductors, organic electronics, molecular electronics, optoelectronics, electrophotography, inkjet printing, surface engineering, color science, and image processing.

Prior to joining Orrick, Dr. Zhang worked at Anova Law Group, where she prepared and prosecuted patent applications for large Chinese companies and prestigious universities, in industrial areas including Internet technology and semiconductor devices.  Before joining Anova Law Group, Dr. Zhang was a member of research staff in Xerox Innovation Group at Xerox Corporation.  Dr. Zhang also has prior industrial experiences at IBM T.J. Watson Research Center and Advanced Semiconductor Manufacturing Corporation, in Shanghai, China.  Dr. Zhang’s doctoral research focused on the electronic charge injection and transport in nanoscale organic thin film transistors.

Dr. Zhang has technical publications in journals including Advanced Materials and Journal of Applied Physics.  Dr. Zhang is also an inventor with six U.S. patents granted and other U.S. and foreign patent applications pending.

10351_740x360

Practice:

  • Intellectual Property
  • Patents
  • Copyright, Trademark & False Advertising
  • Trade Secrets Litigation
  • China

Shelley Zhang Partner Intellectual Property, Patents

Beijing

Shelley Zhang, a partner in Orrick’s Beijing office, is a member of the Intellectual Property Group. Her practice focuses on IP prosecution and enforcement. Shelley has extensive experience in patents, trademarks, domain names, copyrights and trade secrets.

Shelley's related IP experience includes the following:

  • Patent invalidation proceedings, anti-counterfeiting, anti-piracy efforts and patent and trademark enforcement litigation in China.
  • Prosecution of patent and trademark, including application preparation, office actions/oppositions procedures and reexamination procedures.
  • Enforcement and technology transfer/licensing arrangements for substantial patent and trademark portfolios for companies doing business in China.
  • Advising on IP protection strategies, R&D related IP issues and matters in relation to export and import control of technology.
  • Assisting Chinese companies in Section 337 U.S. International Trade Commission investigations, patent infringement litigations and product liability litigations in the U.S. 
  • IP due diligence and portfolio counseling.
369915

Practice:

  • Corporate
  • M&A and Private Equity
  • Global Compliance & Regulatory
  • Capital Markets
  • Fintech
  • Blockchain and Cryptocurrency
  • Technology Companies Group
  • Real Estate
  • China

Jeff Zhang Partner Corporate, M&A and Private Equity

Beijing; New York

Jinsong (Jeff) Zhang is a partner of the M&A and Private Equity Group, splitting his time between Orrick’s Beijing and New York offices. Jeff represents Chinese and international clients from multiple industries, including financial institutions, Fintech, technology, health care and real estate, in a broad range of M&A, capital markets, corporate governance, regulatory and compliance matters.

Jeff is deeply experienced in representing both Chinese and international companies in cross-border public and private M&A, tender offers, privatizations, spin-offs and joint ventures.

He has a particular focus on advising Chinese companies (state-owned or private) and financial institutions on their outbound investments, regulatory and compliance matters in the United States. His clients cover a wide range of industries, including financial institutions, Fintech, technology, healthcare and real estate.

In addition, Jeff advises Chinese companies on international capital markets transactions, including SEC-registered offerings, private placements pursuant to Rule 144A, and listings in Hong Kong and the United States.

Having practiced for more than a decade in New York, and having served as General Counsel and Chief Compliance Officer of CITIC Securities USA, a SEC/FINRA-registered broker-dealer arm of China’s largest full-service investment bank, Jeff offers Chinese clients a unique perspective when advising on U.S. transactional and compliance matters.

Prior to joining Orrick, Jeff was a partner at King & Wood Mallesons in New York. Before his in-house position at CITIC Securities USA, he practiced at two leading global law firms in New York, Hong Kong, Beijing, and Shanghai for many years.

381277

Practice:

  • Asset Backed Securities
  • Structured Finance

Elisa Zheng Associate Asset Backed Securities, Structured Finance

New York

Elisa Zheng is a member of the Structured Finance Group in Orrick’s New York office.

Elisa represents investment banks, asset managers and issuers in matters involving collateralized loan obligations, securitizations and other structured financial products.

17385_740x360

Practice:

  • Technology Companies Group
  • Employment Law & Litigation
  • Cross Border Employment Law Issues
  • Discrimination, Harassment & Retaliation
  • Pay Equity

Dr. André Zimmermann, LL.M. Partner Technology Companies Group, Employment Law & Litigation

Düsseldorf; Munich

Dr. André Zimmermann, a Certified Specialist for Employment Law (Fachanwalt für Arbeitsrecht), heads Orrick’s German Employment Practice. With well more than ten years of international experience, André is well-versed in restructuring and headcount reduction, employment aspects of M&A transactions and employment related litigation with a sector focus on technology companies and multi-jurisdictional and cross-border employment law issues.

André is listed as "frequently recommended" employment law expert by JUVE Handbook of German Commercial Law Firms, editions 2017/2018 and 2018/2019, Germany's leading lawyer ranking, and has been ranked as top employment lawyer by renown German business weekly WirtschaftsWoche 2019. Clients recommend André to JUVE as “straight shooter" and "always refreshingly honest".

Our clients praise André's "creative and efficient style of working" and "a very practical and efficient style of providing advice", referring to him as "extremely responsive and accessible when we have urgent matters" and as "an excellent advocate in court hearings".

André advises companies on a wide range of HR legal matters with a special sector focus on technology companies, including hiring and discrimination concerns, misclassification, multi-jurisdictional and cross-border employment issues, HR data privacy compliance, roll out of employee handbooks and policies, performance management and terminations.  Having long-standing experience in negotiating with works councils and unions in restructuring measures of all kind, a special focus of André's practice is on restructuring, outsourcing and headcount reductions. He is an acknowledged specialist in employing third-party personnel, especially through temporary agency work.

André has thorough knowledge of and genuine passion for the tech industry. Most recently, he has advised leading multinational technology companies such as Pinterest, Flexera, GitHub, Nvidia, Optimizely, Sabre and Splunk on various employment matters.

André is a core member of our global employment law practice consisting of 80 specialized employment lawyers and world leading practices in our offices in the United States, Asia and Europe, offering the highest level of employment advice in all major jurisdictions. Our well-established teamwork across offices ensures international advice in employment law in our clients' cross-border projects.

Catherine Zinn Chief Client Officer

San Francisco

As Orrick’s Chief Client Officer, Catherine Zinn oversees Orrick’s sector focused business development, client satisfaction, alumni program and strategic events functions, globally.

Catherine and her team of experienced Managing Directors and other professional staff help ensure the firm is a steward of our clients' businesses. The team supports Orrick’s commitment to each client’s cause by listening to their views and concerns, responding to their needs, and articulating a shared understanding of priorities. Among other responsibilities, the team meets with clients to solicit their feedback and work with the firm’s relationship partners and teams to deliver value added services – and real innovation.

Catherine spearheads the firm’s strategic partnerships with thought leaders, community organizations, and other influencers - designed to add value for our clients and enhance the firm’s social impact. Additionally, Catherine commits a significant portion of her time connecting high profile executives, alumni, and other friends of the firm to jobs and to public company board seats, with an emphasis on diversity.

Previously, Catherine held senior client relations roles at DLA Piper and JAMS. With 20+ years of experience doing professional services sales, Catherine has built a reputation as a “super-connector” throughout the legal, tech, and financial services industries. Catherine’s passion in life is coaching and helping other people achieve their goals.

Catherine is a leader in the community:

  • National Foundation for Fitness, Sports and Nutrition (Board Member) Appointed by the Secretary of Health and Human Services
  • Law Foundation of Silicon Valley (Board Member, Chair of Nomination and Governance Committee)
  • Silicon Valley Directors’ Exchange, in affiliation with the Rock Center for Corporate Governance and Stanford University (Board Member) A community for Silicon Valley’s top public company directors
  • International Women’s Forum, Legacy Foundation (Board Member) Investing in non-profits focused on women and girls
  • American Heart Association, Go Red for Women (Executive Council)
  • Shatter Fund Investing in companies led by female entrepreneurs (Advisor)
  • Integra Ledger and the Global Legal Blockchain Consortium (Advisor)
  • National Finance Committee for Kamala Harris’ 2020 presidential campaign (Founding Member)

Catherine has been recognized as a Woman of Influence by the Silicon Valley Business Journal and as a Woman of Achievement by Legal Momentum.

In January of 2015 she was inducted into the International Women’s Forum and in 2016 joined American Leadership Forum’s roster of senior fellows along with other top c-level executives and community leaders.

Catherine is a founding member of the National Finance Committee for Kamala Harris’ 2020 presidential campaign. She has also served on the 2011 Barack Obama National Finance Committee, and as the National Chair of Lawyers for Obama, and Hillary Clinton’s 2008 National Finance Committee.

Catherine was a three-sport varsity athlete in college, tennis instructor, personal trainer, and head coach of a top ranked high-school tennis team in Washington, DC. Catherine is a graduate of Hamilton College with a degree in Economics.

Shasha Y. Zou Senior Associate

New York

Shasha Y. Zou is a litigation managing associate in the New York office. Her practice focuses on complex commercial litigation, including in matters involving intellectual property, commercial contracts, and securities.

Shasha's engagements include representing a major biotechnology company in an ICC arbitration proceeding and related proceedings in federal district court in connection with allegations of patent infringement. She also has recently represented a major software company in a jury trial over copyright infringement of source code and defended a satellite service provider in a bench trial against billion-dollar claims brought by the Department of Justice and four state Attorneys Generals related to its telemarketing practices.

Shasha takes an active role in Orrick's pro bono program. She has worked on asylum applications and also obtained a successful settlement on behalf of a client in the Southern District of New York in a copyright matter after the court granted summary judgment on the issue of copyright ownership.


304745

Practice:

  • Corporate
  • M&A and Private Equity
  • Equity Capital Markets

Alexandre Zuber Associate Corporate, M&A and Private Equity

Paris

Alexandre Zuber is a corporate lawyer based in Orrick’s Paris office, with a focus on M&A, Private Equity and Equity Capital Market.

Prior to joining Orrick, Alexandre worked on corporate matters as a legal intern at August & Debouzy, CMS Bureau Francis Lefebvre, Altana and Orrick. Alexandre also worked at Total and Ardian.