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Saurabh Gupta Counsel

Washington, D.C.

Saurabh leverages interdisciplinary training in biology, materials science, and electronics to deliver laser-focused, trial-ready advocacy—simplifying complex technologies into persuasive arguments that both win in court and drive clients’ commercial goals. Clients seek him out for his deep experience, analytical rigor, and razor-sharp instincts in consequential patent disputes.

Saurabh has applied these skills across a spectrum of market-leading disputes. He was instrumental in securing a favorable settlement for a blockbuster lung cancer therapy on the eve of trial after years of litigation and in defending a top-selling osteoporosis drug against validity and infringement challenges. He helped obtain inventorship recognition in landmark proceedings involving the first-in-class COVID-19 mRNA-LNP vaccine that saved millions of lives and generated billions in revenue. He protected a small biotech innovator’s next-generation DNA sequencing platform with innovative design-arounds against aggressive patent assertions and reinforced a major electronics manufacturer’s defense in a multi-jurisdiction jury trial over internet-based digital content sales, with substantial damages at stake.

Saurabh was a founding staff editor of Georgetown Technology Journal. Saurabh’s PhD thesis—which proposed a CRISPR-based therapy for common infections—earned the Bill & Melinda Gates Foundation Global Health Award as one of the five most innovative solutions to a global health challenge.

Saurabh has represented clients before U.S. district courts, the Patent Trial and Appeal Board, the U.S. International Trade Commission, and the U.S. Court of Appeals for the Federal Circuit, and is registered to practice before the U.S. Patent and Trademark Office.

Practice:

  • Mergers & Acquisitions
  • Capital Markets
  • China

Lu (Echo) Wang Senior Associate

Beijing

Her practice focuses on advising clients on mergers and acquisitions, private equity, capital markets and SEC compliance matters.

Practice:

  • Mergers & Acquisitions
  • Capital Markets
  • China

Lu (Echo) Wang Senior Associate

Beijing

Her practice focuses on advising clients on mergers and acquisitions, private equity, capital markets and SEC compliance matters.

432368

Practice:

  • Financial & Fintech Advisory
  • Strategic Advisory & Government Enforcement (SAGE)
  • Fintech

Ronald Williams Senior Associate

Washington, D.C.

In his government enforcement practice, Ron routinely defends a broad range of clients in the financial services industry before federal and state regulators, including matters initiated by the Consumer Financial Protection Bureau (CFPB), Federal Reserve Board, the Federal Trade Commission (FTC), and state regulators. Ron has experience responding to Civil Investigative Demands (CIDs), managing large-scale discovery, and advising clients on regulatory risks. 

In his litigation practice, Ron represents businesses in class actions and complex commercial disputes in federal and state courts. Ron effectively drafts briefs and discovery requests, prepares witnesses for depositions, manages discovery, and conducts complex legal research on a range of issues. 

Ron maintains an active pro bono practice, with a particular focus on criminal justice reform. He has helped draft legislation to severely limit the use of solitary confinement in District of Columbia correctional facilities, drafted an amicus curiae brief on behalf of an individual charged with homicide seeking to exclude expert testimony, and reviewed innocence claims for an incarcerated individual. 

A fervent advocate for diversity, equity, and inclusion (DEI) at Orrick and in the legal profession, Ron serves on Orrick's DEI committee in D.C. 

Prior to joining Orrick, Ron was an associate at Buckley LLP and Fried, Frank, Harris, Shriver & Jacobson LLP. He also clerked for the Honorable Peter G. Sheridan of the U.S. District Court for the District of New Jersey.

432368

Practice:

  • Financial & Fintech Advisory
  • Strategic Advisory & Government Enforcement (SAGE)
  • Fintech

Ronald Williams Senior Associate

Washington, D.C.

In his government enforcement practice, Ron routinely defends a broad range of clients in the financial services industry before federal and state regulators, including matters initiated by the Consumer Financial Protection Bureau (CFPB), Federal Reserve Board, the Federal Trade Commission (FTC), and state regulators. Ron has experience responding to Civil Investigative Demands (CIDs), managing large-scale discovery, and advising clients on regulatory risks. 

In his litigation practice, Ron represents businesses in class actions and complex commercial disputes in federal and state courts. Ron effectively drafts briefs and discovery requests, prepares witnesses for depositions, manages discovery, and conducts complex legal research on a range of issues. 

Ron maintains an active pro bono practice, with a particular focus on criminal justice reform. He has helped draft legislation to severely limit the use of solitary confinement in District of Columbia correctional facilities, drafted an amicus curiae brief on behalf of an individual charged with homicide seeking to exclude expert testimony, and reviewed innocence claims for an incarcerated individual. 

A fervent advocate for diversity, equity, and inclusion (DEI) at Orrick and in the legal profession, Ron serves on Orrick's DEI committee in D.C. 

Prior to joining Orrick, Ron was an associate at Buckley LLP and Fried, Frank, Harris, Shriver & Jacobson LLP. He also clerked for the Honorable Peter G. Sheridan of the U.S. District Court for the District of New Jersey.

Practice:

  • Intellectual Property
  • Patents
  • Trademark, Copyright & Media
  • Trade Secrets Litigation
  • International Arbitration & Dispute Resolution
  • China

Sophia Shen Managing Associate

Beijing

Yiping (Sophia) Shen, an associate in Orrick’s Beijing office, is a member of the Intellectual Property (IP) group.

Sophia’s practice focuses on IP-related legal advice and litigation. She advises regional and international clients on their IP issues related to both cross-border disputes and transactions.

Sophia focuses on supporting defense of Chinese companies in patent and trademark litigation before various U.S. District Courts, as well as Section 337 U.S. International Trade Commission investigations.

She has experience in patent, trademark, copyright and trade secret-related matters, responsible for providing legal counseling, conducting due diligence and legal research, and drafting business contracts.

Practice:

  • Intellectual Property
  • Patents
  • Trademark, Copyright & Media
  • Trade Secrets Litigation
  • International Arbitration & Dispute Resolution
  • China

Sophia Shen Managing Associate

Beijing

Yiping (Sophia) Shen, an associate in Orrick’s Beijing office, is a member of the Intellectual Property (IP) group.

Sophia’s practice focuses on IP-related legal advice and litigation. She advises regional and international clients on their IP issues related to both cross-border disputes and transactions.

Sophia focuses on supporting defense of Chinese companies in patent and trademark litigation before various U.S. District Courts, as well as Section 337 U.S. International Trade Commission investigations.

She has experience in patent, trademark, copyright and trade secret-related matters, responsible for providing legal counseling, conducting due diligence and legal research, and drafting business contracts.

466397

Practice:

  • Mergers & Acquisitions
  • Private Equity

Bruno Romagnoli Partner

Paris

Bruno has particular experience in providing transactional advice on mergers and acquisitions-related issues, as well as securities and stock market regulation and corporate law.

Bruno works with French and multinational groups from a wide range of public and private sectors.

Bruno is also the founder of “HEAD Afrique”, a think-tank on legal practice on the African continent.

Before joining Orrick, he spent six years in the corporate team at a leading international law firm, and prior to that was also at another global law firm.

466397

Practice:

  • Mergers & Acquisitions
  • Private Equity

Bruno Romagnoli Partner

Paris

Bruno has particular experience in providing transactional advice on mergers and acquisitions-related issues, as well as securities and stock market regulation and corporate law.

Bruno works with French and multinational groups from a wide range of public and private sectors.

Bruno is also the founder of “HEAD Afrique”, a think-tank on legal practice on the African continent.

Before joining Orrick, he spent six years in the corporate team at a leading international law firm, and prior to that was also at another global law firm.

Practice:

  • Mergers & Acquisitions
  • International Arbitration & Dispute Resolution
  • Complex Litigation & Dispute Resolution

Siegfried Elsing, Prof. Dr. LL.M. (Yale) Partner

Düsseldorf

He has acted as counsel, presiding arbitrator, sole arbitrator, or chairman in more than 300 arbitration proceedings, including ad hoc proceedings and arbitrations under the rules of the leading arbitration institutions.

As counsel, he represents private investors, international corporations, sovereign states, and state-owned enterprises in a range of significant, complex, and often cross-border disputes.

In addition to counsel work and acting as an arbitrator, Siegfried also acts as an expert witness before German courts as well as courts in the United States and the United Kingdom and before regulatory institutions.

His experience includes disputes in the areas of M&A, energy, investment protection, engineering and construction, financing, joint ventures, and intellectual property.

He is admitted to practice as an attorney-at-law in both Germany and New York.

Chambers Global 2024 describes Siegfried as a "star individual" who is "often appointed as arbitrator in complex international arbitrations" and is also "a leading practitioner in the field of investment arbitration" with "extensive experience as an arbitrator in investment law cases".

Siegfried was a member of the Advisory Board of the American Arbitration Association (2009 to 2020) and a member of the Panel of Conciliators of the International Centre for Settlement of Investment Disputes (ICSID) (2011 to 2017). He was a member of the Board of the German Arbitration Institute (DIS) (2012 to 2022) and has been a member of the DIS Council (since 2022). He was also Chairman of the Mediation Committee of the International Bar Association (IBA) (2007-2008).

He is co-editor of the German Arbitration Journal (Zeitschrift für Schiedsverfahren (SchiedsVZ)). He regularly lectures and publishes on international arbitration and comparative law. Siegfried is also honorary professor at the Faculty of Law at Heinrich Heine University Düsseldorf, where he has been teaching international commercial arbitration and international civil procedure law for 25 years. Since 2013, he represents the Grand Duchy of Luxembourg as Honorary Consul in North Rhine-Westphalia.

Siegfried Elsing co-founded the German law firm Hölters & Elsing in 1989 and has overseen the merger with Orrick in 2008.

Practice:

  • Mergers & Acquisitions
  • International Arbitration & Dispute Resolution
  • Complex Litigation & Dispute Resolution

Siegfried Elsing, Prof. Dr. LL.M. (Yale) Partner

Düsseldorf

He has acted as counsel, presiding arbitrator, sole arbitrator, or chairman in more than 300 arbitration proceedings, including ad hoc proceedings and arbitrations under the rules of the leading arbitration institutions.

As counsel, he represents private investors, international corporations, sovereign states, and state-owned enterprises in a range of significant, complex, and often cross-border disputes.

In addition to counsel work and acting as an arbitrator, Siegfried also acts as an expert witness before German courts as well as courts in the United States and the United Kingdom and before regulatory institutions.

His experience includes disputes in the areas of M&A, energy, investment protection, engineering and construction, financing, joint ventures, and intellectual property.

He is admitted to practice as an attorney-at-law in both Germany and New York.

Chambers Global 2024 describes Siegfried as a "star individual" who is "often appointed as arbitrator in complex international arbitrations" and is also "a leading practitioner in the field of investment arbitration" with "extensive experience as an arbitrator in investment law cases".

Siegfried was a member of the Advisory Board of the American Arbitration Association (2009 to 2020) and a member of the Panel of Conciliators of the International Centre for Settlement of Investment Disputes (ICSID) (2011 to 2017). He was a member of the Board of the German Arbitration Institute (DIS) (2012 to 2022) and has been a member of the DIS Council (since 2022). He was also Chairman of the Mediation Committee of the International Bar Association (IBA) (2007-2008).

He is co-editor of the German Arbitration Journal (Zeitschrift für Schiedsverfahren (SchiedsVZ)). He regularly lectures and publishes on international arbitration and comparative law. Siegfried is also honorary professor at the Faculty of Law at Heinrich Heine University Düsseldorf, where he has been teaching international commercial arbitration and international civil procedure law for 25 years. Since 2013, he represents the Grand Duchy of Luxembourg as Honorary Consul in North Rhine-Westphalia.

Siegfried Elsing co-founded the German law firm Hölters & Elsing in 1989 and has overseen the merger with Orrick in 2008.

293041

Practice:

  • Technology & Innovation Sector

Michael Ruiz Partner

Silicon Valley; Seattle

Michael advises his clients on a broad range of legal needs, including corporate formation and structure, venture capital financings, board and stockholder relationships and exit transactions. His current and former clients are concentrated in interactive media industries including game development, Esports, AR/VR tech, 3D animation, and artificial intelligence. Michael also advises companies in the cleantech and life sciences sectors.

His favorite video game is Final Fantasy (VII), favorite board game is Twilight Imperium (IV) and favorite science fiction book is Ender’s Game.