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Practice:

  • Technology Companies Group
  • Mergers & Acquisitions

Dr. Johannes Rüberg, EMBA 合伙人

慕尼黑

This includes venture and growth financings in all stages and general corporate counseling. His practice further focuses on advising strategic and financial investors on mergers and acquisitions.

Germany's leading legal directory JUVE lists Johannes as frequently recommended for both corporate law and venture capital, including a competitor's testimonial "very good expertise, pleasant cooperation" (2024/2025). Legal 500 Deutschland lists Johannes as a "recommended lawyer" for venture capital (2024), including the testimonials "very supportive and a pleasure to work with", "extremely conscientious", and "quick response time" in its 2022 edition. Since 2021, he has been recognized by Germany's leading business daily Handelsblatt as a "Ones to Watch" lawyer for corporate law.

In addition to his work as a lawyer, Johannes has completed the joint Executive MBA program by U.S.-based Kellogg University and WHU – Otto Beisheim School of Management, Germany’s leading startup university.

Practice:

  • 复杂诉讼与争议解决
  • Securities Litigation
  • Mass Torts & Product Liability

Aaron M. Rubin 合伙人

橘郡

An accomplished litigator, Aaron advises leading investment banks, financial institutions, mortgage servicers, non-bank lenders, and alternative asset managers on the unique issues impacting the finance sector, from major commercial disputes to securities litigation and enforcement actions. Leveraging his dispute resolution expereince, Aaron serves as a trusted partner to clients, advising on best practices for mitigating risk long before there is the threat of litigation.

In 2018, Aaron moved to the firm’s Orange County office from New York. The move served his New York-based traditional financial institution clients needing counsel on the West Coast, while also expanding his practice.

740

Practice:

  • Mergers & Acquisitions
  • Capital Markets
  • 拉丁美洲
  • Life Sciences & HealthTech

David M. Ruff 合伙人

New York

David advises private equity funds, their portfolio companies and a broad range of public and private technology, energy and life sciences companies in domestic and cross-border M&A, minority and majority investments, joint ventures and other complex transactions.
740

Practice:

  • Finance Sector
  • White Collar, Investigations, Securities Litigation & Compliance
  • 证券诉讼、集体诉讼与股东派生诉讼
  • Financial Services Litigation
  • 政府调查与执法行动
  • 内部调查

Paul F. Rugani 合伙人

橘郡; New York; 西雅图

Legal 500 touts Paul as a recommended attorney for Securities Litigation, observing that he is “among the most creative and strategic lawyers” who always has “an eye on the end game.”  Paul achieved American Lawyer Litigator of the Week recognition as part of a team that achieved a ground-breaking New York Court of Appeals victory that substantially reduced financial exposure in RMBS repurchase litigation.

Leader of Orrick's Securities Litigation practice and deputy leader of the Firm's Financial Services Litigation practice, Paul has extensive experience representing clients in securities class actions, shareholder derivative lawsuits, commercial contractual disputes and other complex litigation matters at both the trial and appellate levels, as well as in connection with internal, government and regulatory investigations. Paul also counsels domestic and foreign accounting firms on matters related to state CPA licensing and state board regulation.

740

Practice:

  • Technology & Innovation Sector

Michael Ruiz 合伙人

硅谷; 西雅图

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.

Zoe Russell 主理律师

Los Angeles

Zoe works on diverse employment litigation matters. She is also active in pro bono matters.

Zoe received her J.D. from the University of California, Los Angeles School of Law, where she simultaneously earned her M.A. in African American Studies. While in law school, she served as the Co-Chair for the Black Law Students Association and the Director of Affordable Housing for the UCLA Graduate Students Association.

740

Practice:

  • Technology & Innovation Sector
  • 知识产权
  • Trademark, Copyright & Media
  • Trade Secrets Litigation
  • Artificial Intelligence (AI)
  • Patents
  • 复杂诉讼与争议解决

Diana M. Rutowski 合伙人

硅谷

As a seasoned IP litigator and counselor, Diana’s practice has run the gamut from high stakes trials, to take-down and anti-counterfeiting campaigns, to employee departure and trade secret investigations. She represents clients in District and state courts and before administrative bodies including the ITC and the USPTO. For example, Diana tried and won a complex case in which the other side sought to extend the monopoly of an expired utility patent by claiming trade dress rights in a technical product feature. Drawing upon experience handling both complex patent and trademark matters, her team successfully argued that the intersection of patent and trademark policy prevented the other side from continuing its monopoly, clearing the way for her client to enter the market. With Diana at their side, companies can rest assured that their essential assets are protected, from their core technologies, to assets including their company name, logo, and website.

While at Orrick, Diana was seconded to the City and County of San Francisco, where she had the privilege to serve as an Assistant District Attorney, and first-chair several trials. She was also seconded to Salesforce, where she learned first-hand that the law comprises just one component of a company’s overall business strategy.

Diana is also passionate about her pro bono work. For example, she represented two detainees in Guantanamo in connection with their petitions for a writ of habeas corpus, and she is currently working with the Lawyers’ Committee for Civil Rights of the San Francisco Bay Area. Before joining the firm, Diana worked for the Legal Aid of Cambodia where she assisted with the prosecution of former Khmer Rouge officials and represented individuals who sought to reclaim land rights.

Diana is a member of the International Trademark Association, of ChIPs: Advancing Women in IP and of the Harvard Club of San Francisco.