Paul, Weiss, Rifkind, Wharton & Garrison LLP is a premier firm of more than 1,000 lawyers with diverse backgrounds, personalities, ideas and interests who provide innovative and effective solutions to our clients’ most complex legal and business challenges. With 11 offices across North America, Europe and Asia, and a robust international network, the firm represents many of the world’s largest and most important asset managers, public and private corporations, and financial institutions, as well as clients in need of pro bono assistance. We consistently earn high praise for our collaborative, commercial approach, providing novel and efficient solutions to otherwise intractable situations.
The firm is widely recognized as having market-leading practices in private equity, public company M&A, litigation, white collar and regulatory defense, and restructuring. Within these broad practices, we also offer numerous elite specialized practices, including finance, capital markets, investment funds, antitrust, tax and executive compensation, among others.
Litigation:
No other law firm can approach Paul, Weiss’s experience and record of success in the most complex, high-stakes litigation in U.S. federal and state courts. Our renowned trial team is a particularly powerful advantage, both in the courtroom and at the settlement table.
With a deep bench that includes many of the country’s most accomplished trial lawyers and former senior government officials, our Litigation Department is uniquely positioned to handle multifaceted crises, from sprawling cross-border, multi-regulator enforcement actions to parallel private litigation. We are regularly entrusted with fast-moving, franchise-threatening matters because of our ability to develop and execute a winning strategy, no matter the problem or adversary, and to see the matter through to the ultimate resolution, whether at trial or before the Supreme Court.
The Litigation Department includes dozens of former federal prosecutors and senior U.S. government officials, including a former U.S. Attorney General; former U.S. Attorneys for the Eastern District of New York and the Northern District of California; a former Secretary of the Department of Homeland Security; former senior leaders in the Department of Justice’s Antitrust Division; numerous senior counsel from the SEC, the CFPB, the FTC and other key U.S. regulatory agencies; and former senior members of the White House Counsel’s office.
White Collar & Regulatory Defense:
Clients facing white collar and regulatory enforcement challenges look to Paul, Weiss to protect their businesses and reputations and manage the behind-the-scenes interplay among competing regulatory and enforcement agencies. We have experience handling a vast range of regulatory and enforcement inquiries and internal investigations, including involving multiple jurisdictions. Our lawyers are adept at conducting internal investigations on behalf of companies, boards, audit committees and special litigation committees. Within the litigation and white collar and regulatory defense practices, we are widely recognized for our expertise in many specialized areas, including:
With extensive global reach and deep local expertise, we offer an unparalleled
blend of skills to help our clients navigate the complexities and seize the
opportunities of doing business in Singapore and across the Asia Pacific region. Baker McKenzie Wong & Leow, a joint law venture between Baker McKenzie and
Wong & Leow LLC, stands at the forefront of legal excellence.
We have the capabilities to offer comprehensive advice on both domestic
Singapore law and intricate cross-border issues, ensuring our clients receive
holistic and seamless legal support. As the preferred counsel for numerous
companies leveraging Singapore as a strategic hub for their regional operations,
our lawyers excel in managing multijurisdictional transactions and mitigating
cross-border risks with precision.
Our Singapore office is seamlessly integrated into a global network,
providing on-the-ground expertise across ASEAN countries and access to
Baker McKenzie’s expansive international network. This unique positioning
enables us to adeptly support the diverse domestic and international needs
of our clients, delivering tailored solutions that drive success in a dynamic
global market.
Founded in 1978 and based in Washington, DC, Sterne Kessler is a premier law firm dedicated to intellectual property, focusing on the full range of IP services globally, including litigation, patent and trademark prosecution, design patents, IP strategy, post-grant proceedings, opinions, and transactional support.
The firm works with some of the most innovative clients in the world, including Fortune 500 companies, entrepreneurs, start-ups, inventors, venture capital firms, and universities. Whether prosecuting a patent or trademark, managing a worldwide portfolio, or litigating a bet-the-company case at trial, Sterne Kessler is committed to delivering practical solutions and excellent client service.
Sterne Kessler delivers innovative solutions that are tailored to its clients’ businesses. With deep technical knowledge and IP experience, the firm develops targeted and effective strategies to protect and enforce valuable IP assets. The team includes more than 200 lawyers, patent agents, and technical specialists who hold over 100 advanced degrees, including 60+ Ph.D.s, in science and engineering disciplines. The firm supports clients across a broad range of industries and technologies, including biotechnology and pharmaceuticals, electronics, artificial intelligence, software, innovative materials, consumer products, food & beverage, medical devices, automotive and heavy equipment, manufacturing, and industrial products, amongst many others.
In the last five years, Sterne Kessler has served as litigation counsel in 200+ patent cases across more than two dozen federal district courts. The firm is one of the top five most active firms for patent cases at the U.S. Court of Appeals for the Federal Circuit, and among the top 10% of most active firms at the U.S. International Trade Commission. The firm is particularly skilled at coordinating across multiple venues, representing clients in patent litigation in district court, before the ITC, and at the U.S. Patent Trial and Appeal Board (PTAB), pivoting between venues to efficiently and favorably resolve disputes.
The PTAB Trials team has been a leader since the inception of the PTAB and continues to be a dominant force in the industry today. Sterne Kessler has been counsel in more than 1,300 proceedings and counting, and its results are among the very best. Patexia consistently ranks the firm among the top 10 most active overall and the top 25 best performing firm overall in its PTAB Intelligence Report.
FIRM ACCOLADES:
• Band 1, Patent Prosecution, Washington, D.C., Chambers USA (2025)
• Tier 1, Patent Prosecution, PTAB Litigation, and Life Sciences IP, and Tier 3 ITC Litigation, National, Managing IP’s IP Stars (2025)
• “Highly Recommended” Patent Prosecution and Patent Disputes and “Recommended” Trademark Prosecution, District of Columbia, Managing IP’s IP Stars (2025)
• Tier 1, IP Litigation, Patent Litigation, Patent Law, and Biotechnology and Life Sciences Practice (D.C.), U.S. News – Best Lawyers – “Best Law Firms” (2025)
• Highly Recommended, Patent Prosecution and Transactions, IAM Patent 1000 (2025)
• Recognized for Trademark Prosecution & Strategy and Enforcement & Litigation, DC Metro Area, World Trademark 1000 (2025)
• 12 Years in a Row - Top Workplaces Recognition, The Washington Post (2025)
Sidley is an elite global law firm. Harnessing 158 years of legal heritage, we provide strong representation on behalf of clients in more than 70 countries. Our lawyers apply a Built to WinSM client service model to their legal strategies, ensuring the best possible outcomes in complex transactional, restructuring, regulatory, and litigation matters. With 21 offices strategically situated in key commercial and financial hubs across the world, our perspective and our reach are truly global. Our 2,300 lawyers, fluent in more than 80 languages, possess the cultural awareness and cross-border legal acumen needed to bring clarity to a dynamic business landscape.
Follow Sidley on Twitter @SidleyLaw.
Appellate: Sidley is widely recognized as one of the premier appellate firms in the country, and as a trailblazer — regularly addressing intricate, precedent-setting issues in federal and state law in the Supreme Court, the federal courts of appeals, as well as state appellate and supreme courts across the nation. Since the inception of the practice in 1985, the team, including more than 20 former Supreme Court clerks, has briefed over 220 cases on the merits and argued more than 150 cases before the Court.
Bankruptcy: Sidley’s global Restructuring group is regularly involved in the largest restructurings throughout the world. The team represents companies facing in-court or out-of-court restructurings, official and ad hoc committees of creditors, agent lenders, and participants in distressed M&A processes. Sidley prides itself on the group’s ability to use innovative, bespoke approaches to obtain the best results in complex situations.
Commercial: Clients repeatedly turn to Sidley’s Commercial Litigation team when their most important disputes must be tried. Sidley’s track record of successes is unparalleled in high-stakes, mission-critical cases against well-regarded opponents, no matter the forum. The team’s full-service litigation capabilities are relied upon by leading global companies with household names.
Competition/Antitrust: As a part of the firm’s global antitrust offering, Sidley has a strong and well-respected litigation practice. Sidley lawyers represent clients in their most complex cases, including matters involving antitrust enforcement, merger clearances, claims of collusion, and other alleged antitrust violations. The team has represented domestic and international corporations, trade associations, government entities, professional societies, and individuals in the full range of civil and criminal trials.
Insurance: Sidley’s Insurance Disputes practice advises on significant insurance litigation nationwide across a variety of areas, including regulatory compliance, insurance class actions, reinsurance disputes, ERISA litigation, general commercial litigation, securities and shareholder litigation, and Supreme Court and appellate courts, among other areas.
Intellectual Property: Sidley boasts one of the most distinguished and highly regarded Intellectual Property litigation practices in the U.S., with approximately 80 lawyers and a deep bench of trial lawyers. Handling matters for innovation-driven clients ranging from global Fortune 500 companies to groundbreaking startups, the team develops winning strategies for high-stakes IP litigation involving patents, trade secret and unfair competition, false advertising, copyright infringement, and trademarks.
International Arbitration: Sidley’s Global Arbitration, Trade and Advocacy practice exemplifies a superior depth of knowledge of the law, regulatory challenges, and culture of the jurisdictions in which the team practices. Operating from the U.S., Europe, and Asia, the team works as a tightly integrated team of practitioners with different cultural and legal backgrounds and broad language capabilities.
Labor and Employment: Sidley is at the forefront of representing employers in major high-profile class and collective action litigation against many of the biggest and most aggressive plaintiffs’ firms in the country. The team is known for winning bet-the-company cases and deftly handling high-value discrimination, harassment, and retaliation claims, executive disputes, whistle-blower claims, restrictive covenant and trade secret litigation, and investigations involving matters of the utmost importance to companies.
Product Liability and Recall: Sidley’s Product Liability and Mass Torts practice has played key roles in many of the most significant product liability litigations. The team has decades of experience handling claims associated with products, the facilities that manufacture them, and the companies that sell them. We defend clients in state and federal courts and are typically lead counsel in multidistrict litigations and state coordinated proceedings.
Securities: Sidley’s Securities and Shareholder Litigation team stands out for the strength of its work, winning complex securities matters at the trial level and on appeal across a variety of sectors. The team’s deep bench and extensive experience allows Sidley to represent a wide range of clients. This includes major corporations and private companies, boards of directors and board committees, senior executives, financial advisers, investment banks, and auditors.
White Collar Crime: Sidley lawyers have handled investigations in more than 130 countries, collaborating seamlessly across borders and practice groups to offer a cohesive approach to white collar crime and corporate investigations matters. The firm can mobilize teams quickly to swiftly deploy the critical legal support needed to manage sensitive, high-profile investigations and litigation.
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