People

Rose Sun Managing Associate

Silicon Valley

Rose has experience litigating patents from the investigatory, pre-suit phase, discovery, expert discovery phase up to trial and post-trial. Rose’s experience in technology ranges from complex server systems, semiconductors, electronic ticketing software/hardware, to shavers and pharmaceuticals. Rose has experience litigating small molecule drugs under the Hatch-Waxman framework and biologics under the BPCIA. Her wide range of technological experience and understanding allows her to simplify complex technology into digestible key components for judges and juries. Rose helped secure a General Exclusion Order for a small business client in front of the International Trade Commission, and was part of a team that secured a favorable settlement for Gilead in protecting their blockbuster HIV drugs Descovy, Odefsey and Vemlidy. The suit involved nine generic drug companies and 15 abbreviated drug applications and resulted in a favorable settlement barring generic entry for at least 10 years.

As part of a lean team, Rose helped secure a $17.3 million royalty for Continuous Composites, which is currently the largest award in the 3D printing industry.

In law school, Rose won the prestigious Anthony and Susan Taylor Written Advocacy Award for Best Brief, and a semifinalist in the Oral Advocacy portion of the Hale Moot Court competition. During law school, Rose also clerked at the Children’s Law Center of California, and advocated for abused and disenfranchised children in the Los Angeles county dependency court.

Her zealous pro bono work and advocacy continues beyond law school. Recently, Rose secured a crucial and timely win for the Asian American Legal Defense and Education Fund in convincing the Western District of Texas from enjoining the enforcement of unconstitutional provisions of the Texas Election Code in light of the 2022 Primary Elections.

Jie Jeffrey Sun Partner

Beijing

Jeffrey has extensive experience representing both Chinese enterprises in fund raising and investing abroad and foreign investors investing in China.

He regularly represents issuers and underwriters in the U.S. and Hong Kong public securities offerings, including initial public offerings (IPOs) and Rule 144A/Regulation S offerings for PRC-based companies.

In addition, he is experienced in handling complex cross-border mergers and acquisitions, foreign direct investment, strategic alliances, joint ventures and regulatory compliance matters for numerous foreign investors and Chinese companies. He also counsels global private equity funds on their investment activity throughout Greater China and across Asia.

Some clients he has represented include Bright Food, JD.com, Trina Solar, China Sunergy, Perfect World, ReneSola, Tudou, Pactera Technologies and some international investment banks and private equity funds.

Jeffrey is consistently recognized as a leading lawyer for China M&A by prestigious legal publications such as Chambers Asia, Asia-Pacific Legal 500 and IFLR1000. Clients recognizes him as “an excellent business partner, above his legal counsel role”, who “gives practical advice not only based on legal proficiency, but really helpful for our business”.

Prior to joining Orrick, Mr. Sun worked with a major international law firm, and he was a former partner in a local law firm based in Shanghai.

Kim Olivia Supe-Dienes Associate

Düsseldorf

She advises start-ups from their incorporation through their first financing rounds into the growth phase, as well as on internationalization projects. Kim also advises VCs and corporate venture capital investors on their investments.

Before starting her legal practice, Kim worked as a trainee lawyer for, amongst others, the EU’s Directorate-General for Internal Market, Industry, Entrepreneurship and SMEs (DG GROW), for one of the most renown German law firms as well as for Orrick.

Aravind Swaminathan Partner

Seattle; Boston

A leading cybersecurity and online safety authority, Aravind is recognized by Chambers USA in Privacy and Data Security in both Litigation and Incident Response. Clients describe him as “a very talented lawyer experienced with incident responses” and “incredibly responsive and technically savvy.”

Aravind’s deep knowledge of his clients’ business objectives and technological capabilities distinguishes him as a strategic advisor and frontline crisis responder. He advises some of the world’s leading online platforms, public and private financial institutions, tech companies, higher education institutions, and critical infrastructure providers on cybersecurity, and their obligations to monitor and remove harmful or illegal content online and root out instances of child exploitation.

He is adept at guiding companies through cybersecurity incidents, having directed more than 500 data breach investigations, including enterprise-wide network intrusions to cyberattacks with national security implications. Aravind defends clients in an array of cybersecurity and privacy class actions and regulatory enforcement actions brought by the SEC, FTC, NY DFS and State AGs, and also represents individual C-level executives in criminal and civil regulatory enforcement matters.

As a former assistant United States attorney, he investigated and prosecuted a broad array of cybercrime, child exploitation cases, digital crimes, and white-collar crime cases. This first-hand knowledge of federal agencies allows him to navigate the system, partner with investigators and find creative solutions for clients.

Aravind is a member of Orrick’s Board of Directors, and he devotes much of his free time to advising independent schools on AI, online safety, and cybersecurity, and teaching and coaching.

Rochelle Swartz Senior Associate

New York

Rochelle has experience representing individuals and companies in all stages of complex litigation, from pleadings through trial, final judgment, and appeal. She practices both civil and criminal law in federal and state courts across the country.

Rochelle has particular expertise in disputes involving the government. During her tenure at Orrick, Rochelle has litigated almost a dozen Article 78 challenges in Supreme Courts around the state, including petitions raising issues of statutory and constitutional law. She has also led several of those petitions through subsequent appeals to the Appellate Division and the Court of Appeals. In addition, Rochelle has experience defending individuals in federal investigations and prosecutions involving the Foreign Corrupt Practices Act (FCPA) and pursuant to the Criminal Justice Act (CJA) 

Rochelle's current engagements include representing companies in complex actions involving products liability, trademark infringement, misappropriation of trade secrets, and bet-the-company contract disputes. She also manages a large docket of civil rights pro bono matters. 

Emily S. Tabatabai Partner

Washington, D.C.; Houston

Emily provides strategic counseling and advice on privacy, consumer protection and online safety matters to clients across industries, including retail, ecommerce, mobile apps, gaming, social media, advertising technology (adtech), financial services, education, business services and technology. She also represents clients subject to regulatory investigations, including before the FTC and States Attorneys General, Congressional committees and other regulatory agencies and groups.

Emily provides proactive compliance guidance, and regulatory investigation defense, on a variety of privacy and consumer protection laws, including:

• U.S. state privacy laws in California, Colorado, Connecticut, Utah, Virginia and other states
• Children’s Online Privacy Protection Act (COPPA)
• Online safety laws for kids and teens, including California Age-Appropriate Design Code Act (AADC), Utah Social Media Regulation Act and others
• Section 5 of the Federal Trade Commission Act (FTC Act) and state unfair and deceptive acts and practices (UDAP) laws
• Family Educational Rights and Privacy Act (FERPA)
• California’s Student Online Personal Information Protection Act (SOPIPA), New York’s Education Law 2-d and other state student data privacy laws
• Illinois’ Biometric Information Privacy Act (BIPA) and other biometric privacy laws
• Washington My Health My Data Act and other state health privacy laws
• Fair Credit Reporting Act (FCRA)
• Gramm-Leach-Bliley Act (GLBA)
• Telephone Consumer Protection Act (TCPA)
• Telemarketing Sales Rule (TSR)
• Restore Online Shoppers’ Confidence Act (ROSCA)

Emily is a frequent speaker on data privacy matters, with a particular focus on children’s privacy (COPPA), student data privacy and EdTech and online safety laws for kids and teens. She has been featured as an “Up and Coming” Privacy & Data Security attorney by Chambers USA and Chambers Global. Clients tell Chambers, “She’s been an excellent partner. She has a very good understanding of the practical realities of implementing privacy policies for large companies.” Citing her expertise in the field of educational privacy, student data and EdTech matters, Chambers reports that clients regard her as “very knowledgeable and truly an expert in this space,” with some saying, “On the student data side, she is unmatched,” and The Legal 500 notes that Emily “is the first port of call for child- and student-directed service providers for compliance advice with COPPA, SOPIPA and CalOPPA regulations.”

Emily also has an active consumer protection practice, focused on marketing and promotional issues. She counsels clients on advertisements and endorsements, retail sales and e-commerce, advertising substantiation, SMS and telemarketing, social media and online advertising.

Kazuya Takeda Associate

Tokyo

He specializes in data protection and cybersecurity, including personal information protection. Additionally, he manages civil and commercial litigation and dispute resolution, cross-border and domestic M&A,  investigation, antitrust and competition, and labor and employment related matters. He also has experience in general corporate legal affairs.

Before joining Orrick, he worked for Kasame & Associates Co., Ltd. located in Thailand and provided Japanese corporate clients with a variety of legal services regarding Thai laws, including the Personal Data Protection Act, Labour Protection Act, Civil and Commercial Code, Trademark Act, Foreign Business Act, etc. for over two years. Prior to working in Thailand, he was an associate at Okamura Law Office and mainly handled civil litigations, general corporate cases, and trade competition law cases for about three years.

Alex Talarides Partner

San Francisco

Alex is recognized by Chambers and Legal 500 as an "Up and Coming" and "Rising Star" in securities litigation. He has extensive experience representing public and private companies and their D&Os, as well as investment banks and underwriters, in securities and corporate governance-related litigation and other complex commercial litigation. He also regularly advises companies and their boards on corporate governance best practices and fiduciary and disclosure duties, frequently presents and publishes on these topics, and teaches a full-semester course on transactional and shareholder litigation at the University of California Berkeley School of Law.

Alex earned his Juris Doctor degree, with Honors, Order of the Coif, from the University of Chicago Law School, and graduated with a Bachelor of Arts degree from the University of California, Davis.

Stephen Tallon Of Counsel

London

Stephen works with technology companies and the investors that back them. He is particularly interested in advising founders building exciting new businesses and is focused on providing innovative and pragmatic advice to his clients.

As part of a market-leading team at Orrick, who can provide a full stack of legal services and advice to clients in the technology sector, Stephen focuses on corporate advice, ranging from incorporation strategies through financing rounds, M&A and private equity transactions. He works closely with the rest of the team to cover share options, IP protection, commercial contracts, regulatory matters, employment issues and tax advice.

Managing transactions in an efficient and productive manner and providing clear and concise advice is at the core of Stephen's approach to work. Recognised as a “Recommended Individual” for Venture Capital in the Legal 500 UK 2024, Stephen actively engages with clients to understand the key issues and concerns in order to provide tailored advice that really adds value. Stephen is driven by being a trusted advisor to his clients, not just another service provider.

Stephen represents notable companies such as Stripe, Butternut Box, Vitesse, Graphcore, TrueLayer, Codility and LoopFX on an ongoing basis for financing and general corporate matters. He has also advised tech industry leaders such as Revolut and Scalapay.

While he has a significant company-side mandate, Stephen also advises many of the key investors in the market including Salesforce Ventures, ABN AMRO Ventures, Macquarie, BMW iVentures, Energy Impact Partners and Sony Innovation Fund on their respective investments in the UK, Ireland and across Europe.

Stephen is qualified in both England & Wales and Ireland (non-practising), having trained and qualified in a top-tier Irish law firm, and is committed to helping to build the Irish tech ecosystem.

Gargi Talukder Partner

San Francisco

Gargi’s work in protein therapeutics includes patent estate development for antibody and fusion protein therapeutics and utilizes her knowledge of the patent landscape in this area to inform strategic portfolio management. In the fields of genomics and proteomics, she has conducted diligence and developed portfolios related to the biochemistry of sequencing technologies, as well as to the associated devices and machine learning methods utilized in sequencing methods. In the field of cancer immunotherapies (immuno-oncology), she has developed portfolios related to cell-based immunotherapy approaches, including targeted immune cell therapies and immunological pathway interventions.

In addition, Gargi assists clients in providing intellectual property support for transactional matters, including diligence for mergers and acquisitions as well as financing rounds. Her technical experience is routinely called upon in helping to develop litigation strategies for complex and high-stakes trials.

Gargi has authored scientific papers in peer-reviewed publications, as well as articles discussing medical and biological research in general-interest newspapers and periodicals. Her doctoral work in Neuroscience from Stanford University focused on structure-function studies in ion channels, with an emphasis on using genetic engineering and electrophysiology to identify structural elements of potassium channels that lead to their voltage and chemical sensitivity.

Baptiste Tanchoux Associate

Paris; Paris Tech Studio

From Orrick Paris Tech Studio, Baptiste blends a strategic legal mindset with deep enthusiasm for technology, empowering startups and investors to navigate complex legal landscapes.

Baptiste advises founders, tech companies and venture capital investors on various aspects of their growth journey, including fundraisings, corporate governance matters, employee incentive plans and M&A transactions.

Elodie Tancray Managing Associate

Paris

Elodie’s practice focuses on restructuring and insolvency advising all the stakeholders (alternative investors, lenders, creditors, debtors, buyers etc.) whether in an amicable or judicial context. whether in an amicable or judicial context.

Elodie has worked as a trainee in leading French law firms.

Prior to joining Orrick, she was an associate at a UK law firm.