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Forbes Names Four MoFo Lawyers to America’s Top Lawyers List

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Morrison Foerster partners Val Dahiya, Daralyn Durie, Lisa Phelan, and Tessa Schwartz have been named to Forbes’ 2026 list of...

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Morrison Foerster partners Val Dahiya, Daralyn Durie, Lisa Phelan, and Tessa Schwartz have been named to Forbes’ 2026 list of America’s Top Lawyers—a distinction awarded to a select group of attorneys nationwide based on “the caliber of their work, the trust they engender and the results they deliver for clients.”<ul><li>Val Dahiya co-heads MoFo’s Securities + Derivatives Regulatory Solutions team and advises clients at the intersection of financial regulation and technology, drawing on her prior roles at the SEC and FINRA to guide broker-dealers, exchanges, and clearing agencies through complex compliance and regulatory matters.</li><li>Daralyn Durie is a trial lawyer in MoFo’s IP Litigation Group who represents leading technology and life sciences companies in high-stakes disputes, recently securing a defense win for Epic Games in a closely watched patent trial and a pivotal summary judgment for Genentech in an oncology patent dispute.</li><li>Lisa Phelan heads MoFo’s Cartel Defense practice in its Global Antitrust Group and draws on more than 25 years at the DOJ’s Antitrust Division, where she served as Chief of National Criminal Enforcement, to guide clients through domestic and international antitrust cartel and white-collar investigations and class action litigation alleging collusion.</li><li>Tessa Schwartz founded and co-chairs MoFo’s Artificial Intelligence Group and advises clients on IP-driven technology transactions, including licenses, acquisitions, and the IP aspects of M&A deals.</li></ul>Forbes’ editorial team drew on industry outreach, nominations, and research to identify a broad pool of licensed, active lawyers, then evaluated candidates against weighted criteria—including reputation, client impact, thought leadership, and pro bono and mentorship work—with emphasis on recent achievements, to recognize this select group for their records of excellence and integrity.View Forbes’ complete list of <a href="https://www.forbes.com/lists/top-lawyers/" target="_blank">America’s Top Lawyers</a>.

Forbes Names Four MoFo Lawyers to America’s Top Lawyers List

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Val Dahiya is a partner in the firm’s Broker-Dealer Compliance + Regulation and Capital Markets practice groups, Co-Head of its Securities + Derivatives Regulatory Solutions team, and Co-Lead of the firm’s Digital Assets practice within the Fintech Group.Val advises financial services clients on complex compliance, regulatory, and transactional matters arising under U.S. Securities and Exchange Commission (SEC) and Financial Institution Regulatory (FINRA) jurisdiction. She has nearly two decades of experience in advising on securities market infrastructure, including over 10 years of work history at the SEC and three years at FINRA.<h4 dir="ltr">Professional Experience: SEC and FINRA </h4>Prior to joining Morrison Foerster, Val chaired the securities trading and markets practice and served as office managing partner at another international law firm. Before that, she served as the Washington, D.C. Branch Chief in the Office of Trading Practices in the Division of Trading and Markets at the SEC, where she provided analysis and recommendations on complex legal and policy issues related to the securities industry, including the application of Exchange Act rules and regulations to emerging areas such as cryptocurrencies and digital assets. Val’s counsel was essential in shaping SEC policies and ensuring their consistent application across the evolving financial landscape. Prior to this, Val’s responsibilities as Special Counsel in the Division of Trading and Markets included providing essential guidance on securities regulation compliance, including the Commission’s financial integrity and regulatory programs for broker-dealers and securities exchanges. Val also worked closely with the Divisions Office of Market Supervision reviewing self-regulatory organization (SRO) rule filings. In her capacity as Attorney/Senior Counsel in the Division of Examinations, Broker-Dealer Group, Val led comprehensive examinations and inspections of broker-dealers and dually registered entities, ensuring compliance with federal securities laws and SRO rules. Her responsibilities also extended to preparing enforcement referral memoranda and assisting the Enforcement Division in complex trading cases. While at the SEC, Val also worked extensively on issues related to trading practices, including market making, ETFs, direct market or sponsored access, when-issued securities, and trading in the grey markets.Prior to her tenure at the SEC, Val worked at FINRA (formerly NASD), where she conducted reviews and investigations of broker-dealer activities, identified violations of relevant regulations, and made disciplinary recommendations. Her work at FINRA involved analyzing trading activity for irregularities and patterns indicating violative conduct.Collectively, this experience informs Val’s counsel on the highly complex regulatory issues associated with broker-dealer, transfer agent, clearing agency, exchange and Alternative Trading System (ATS) operations, registration requirements, and compliance.<h4 dir="ltr">Capabilities</h4>Val also advises clients in the distributed ledger technology space that are seeking to understand the potential securities regulatory implications. Her practice ranges from product counseling all the way through to counseling on complex compliance and regulatory issues.Other areas Val is particularly well qualified to advise on include:<ul dir="ltr"><li dir="ltr">broker-dealer compliance issues relating to Regulations ATS, NMS, M, SCI, and SHO, as well Rules 15c2-11, 15c3-5, and 15c3-3;</li><li dir="ltr">Regulation BI and standard of care issues;</li><li dir="ltr">books-and-records requirements;</li><li dir="ltr">large trader and position reporting;</li><li dir="ltr">forex trading;</li><li dir="ltr">market access and other electronic trading issues;</li><li dir="ltr">information barriers and insider trading;</li><li dir="ltr">soft dollars and commission sharing arrangements;</li><li dir="ltr">the net capital and customer protection rules; and</li><li dir="ltr">cybersecurity and data protection issues.</li></ul><h4 dir="ltr">Leadership</h4>Val is a member of the Nasdaq Exchange Review Council for each of Nasdaq’s six exchanges. Prior to joining Morrison Foerster, Val served as office managing partner at another international law firm.

Val Dahiya

Co-Head of Securities + Derivatives Regulatory Solutions

Daralyn Durie is among the top trial lawyers in the country, acting as go-to trial counsel for both plaintiffs and defendants. Daralyn’s exceptional track record has earned her consistent recognition from leading national publications. Chambers has listed her among the top 10 intellectual property lawyers in the U.S. and Law360 has recognized her as an “Icon of IP” and an MVP. Benchmark Litigation reported that “going against her was like going against a boxer in which you know you’re going to get hurt.” She’s a fellow in the American College of Trial Lawyers, a member of the American Board of Trial Advocates, and an inductee into the California Trial Lawyer Hall of Fame.Daralyn’s legal career began at Berkeley Law, followed by a clerkship for the Honorable Douglas Ginsburg on the U.S. Court of Appeals for the District of Columbia Circuit. She became a partner at a litigation boutique in 1999 and, in 2009, co-founded Durie Tangri, a premier litigation boutique that later combined with Morrison Foerster in 2023.In addition to her courtroom successes, Daralyn is actively involved in the legal community. She is a board member of the National Women’s Law Center, a past president of the Northern California Association of Business Trial Lawyers, and served as an adjunct professor at Berkeley Law, where she taught civil trial advocacy.Life SciencesDaralyn has decades of experience in the life sciences sector. She spearheaded the enforcement of Genentech’s Cabilly family of patents, which generated billions of dollars in licensing revenue. She served as lead counsel in the Herceptin biosimilar litigation and recently achieved a plaintiff-side jury verdict of $178 million in a patent infringement case involving melanoma therapy.TechnologyIn the tech sector, Daralyn recently won defense jury verdicts for Aptiv (USB hubs), Activision (in the Eastern District of Texas), and Redbubble. She served as lead counsel for Google, defending Google Books from copyright infringement claims. Following extensive litigation on copyright and antitrust issues, Google prevailed on summary judgment, resulting in Daralyn being named an Attorney of the Year by California Lawyer magazine.

Daralyn Durie

Partner

<div class="videoWrapper"><iframe class="sticky-video" allowfullscreen="1" allow="autoplay; encrypted-media" frameborder="0" src="https://www.youtube-nocookie.com/embed/Q0TTyb7UVt4?rel=0" title="Lisa M. Phelan" title="iframe"></iframe></div>Lisa Phelan, former Chief of the National Criminal Enforcement and Washington Criminal I Sections of the Antitrust Division of the U.S. Department of Justice (DOJ), is a partner and head of Morrison Foerster’s Cartel Defense Practice and a member of the Investigations + White Collar Group. With more than 25 years of service at the DOJ as one of the leading authorities in criminal antitrust matters, Lisa draws upon her unmatched criminal investigations, litigation, and enforcement experience to guide clients through sensitive issues pertaining to domestic and international cartel actions and white-collar investigations and to rapidly assess and address their risk and total exposure to potential claims of unlawful collusion.Clients turn to Lisa for her knowledge and understanding when subpoenaed or when enforcement agencies execute a search warrant or stage a dawn raid. Few have the breadth of her experience to counsel and represent clients through each step of a cartel investigation, leniency application, plea negotiation, or criminal jury trial. Additionally, Lisa is an expert in the components of effective compliance programs and is an asset to clients in preventing antitrust problems before they arise. She has led complex antitrust matters across numerous major industries, including financial services, technology, aviation, automotive, shipping, paper, petroleum, chemicals, and pharmaceuticals, among others.As Chief of the National Criminal Enforcement and Washington Criminal I Sections of the Antitrust Division, Lisa supervised and coordinated all investigative and litigation work on international and national criminal cartel cases. Lisa regularly coordinated investigations and prosecutions with cartel enforcement agencies worldwide, including in the European Union, Japan, Mexico, Korea, the United Kingdom, Australia, New Zealand, Chile, and Brazil, among others. Additionally, she often interfaced with other law enforcement units when investigations raised non-antitrust issues.Before Lisa was appointed Chief of National Criminal Enforcement, she served as a senior criminal litigator in the Antitrust Division, leading investigations and trials of multinational corporations and their executives for price-fixing and related crimes. Lisa prosecuted more than 300 federal criminal cases and led and oversaw dozens of jury trials throughout her tenure at the DOJ.Lisa has received numerous accolades throughout her career, including the Presidential Rank Award, awarded by President Obama in 2015, the Attorney General’s Distinguished Service Award, awarded by Attorney General Eric Holder in 2014; and, on multiple occasions, the Assistant Attorney General’s Outstanding Service Award, while serving as a lead trial attorney and a senior official at the DOJ.Law enforcement agencies and competition partners consult Lisa on best practices and policies in cartel enforcement and leniency programs. She has been frequently acknowledged for her insight and dexterity in the fields in which she practices. Recognitions include:<ul><li>“[Lisa’s] ability to distill information and come to solutions is amazing. We are lucky to be represented by her.” –Chambers USA, 2022 (Client Testimonial)</li><li>“[Lisa] is very knowledgeable on DOJ practices and policies.” –Chambers USA, 2022 (Client Testimonial)</li><li>“[Lisa] is excellent and gives well thought-out and practical advice.” –Chambers USA, 2021 (Client Testimonial)</li><li>“Lisa Phelan has three decades of experience as a DOJ attorney, including serving as Chief of the National Criminal Enforcement section of the Antitrust Division. She is prominent in the market and well-placed to advise clients on criminal cartel proceedings. Sources describe her as a 'fantastic lawyer,’ who ‘knows everything.’” –Chambers USA, 2020</li></ul>Lisa frequently speaks at American Bar Association (ABA), International Competition Network, International Bar Association, and various prominent white-collar crime conferences. She has been an active participant in ABA programs and activities for nearly three decades. Currently, she serves as co-chair of the Antitrust Section’s International Cartel Task Force, which regularly meets with competition agency heads from around the globe to provide thought leadership and to advise on competition law changes and practices, including leniency program criteria. She is also a leader on the Antitrust Section’s Influencer Task Force. Additionally, Lisa proposed and worked to establish the ABA Antitrust Section’s Women.Connected Committee.Lisa has long championed the advancement of women within the legal profession and in the Antitrust Bar in particular. Recognized by MLex as a “trailblazer” for women in antitrust, in recent years, she founded the “Women in Cartel” group, which has expanded its membership nationally and internationally. More than once, she has been named one of Global Competition Review’s Top “Women in Antitrust.” In addition, Lisa serves on the firm’s Women’s Strategy Committee, working closely with firm leaders to ensure that the advancement of women is a constant strategic priority. Lisa is a member of the Women’s White Collar Defense Association.Lisa received her J.D. magna cum laude from American University, Washington College of Law, where she served on the International Law Journal. She received her B.A. summa cum laude, also from American University. Lisa is an adjunct Professor at AU law school, teaching a seminar on Criminal Antitrust.<h4>Representative Experience</h4><ul><li>Represent a European executive indicted in the U.S. on a criminal Sherman Act charge of bid rigging on government contracts.</li><li>Represent a major national healthcare company investigated by DOJ’s Antitrust Division on allegations of criminal agreements not to hire or solicit employees from another major national healthcare company. Obtained a non-prosecution agreement from DOJ for the company and all of its executives.</li><li>Represent a large national health staffing company in multiple grand jury investigations around the U.S. for various alleged Sherman Act criminal violations. Obtained non-prosecution commitment from DOJ for the company and its executives in all matters.</li><li>Represent a major Japanese component parts maker subject to a grand jury investigation by DOJ. Obtained a non-prosecution decision for the company and its executives.</li><li>Represent a large national media company in meetings with DOJ regarding possible anticompetitive conduct.</li><li>Represent a major prescription services company under investigation by the FTC for possible monopolization and abuse of dominance violations.</li><li>Represent an oil and gas industry company under grand jury investigation by the Antitrust Division and obtained a non-prosecution decision from DOJ.</li><li>Represent numerous CEOs and high-level executives in numerous criminal antitrust grand jury investigations.</li></ul>

Lisa Phelan

Tessa Schwartz has an active practice counseling companies on intellectual property issues, and negotiating complex intellectual property and commercial agreements. She advises on a range of strategic transactions, including key patent licenses and acquisitions, technology procurement agreements, and complex development, collaboration, joint-venture and distribution deals. Tessa also regularly advises companies on the IP aspects of their M&A transactions.In addition to maintaining an active practice and working with clients on a daily basis, Tessa is co-chair of the firm’s Technology Industry Group, founder and co-chair of the firm’s Artificial Intelligence Group and previously served as co-chair of the global Transactions Department.Tessa advises clients primarily in technology and data intensive sectors, representing artificial intelligence (AI), robotics, machine learning, software, SaaS, cloud computing, hardware, consumer electronics and products, social media, Internet, mobility and wireless, space and satellites, e-commerce, advertising, healthcare, fintech, transportation, semiconductor, and other companies. Tessa’s M&A experience includes advising Autodesk, Fortive, Honeywell, Palo Alto Networks, Salesforce, Uber, Unilever, Unity, Walmart, and others on the IP aspects of strategic transactions. Tessa provides clients with prelitigation and litigation advice. She frequently advises executives and senior management on strategic business, legal and commercial issues, including the structuring of transactions, risk management and contract compliance. She also counsels clients with respect to a wide variety of IP issues, including patent exhaustion and implied licenses, standing and standards, the protection of data and other trade secrets and the development and distribution of open-source software.In addition to her transactional expertise, Tessa’s litigation background includes representing clients in arbitration, as well as in state and federal courts in such areas as antitrust, false advertising, unfair competition, breach of contract, securities, trademark, copyright and trade secret law. Her litigation experience includes complex, multidistrict and class action litigation, as well as appellate advocacy.Tessa has been ranked in Chambers and Legal 500, with clients describing her as, “one of the best attorneys I've ever worked with.” Tessa has been recognized by Chambers USA 2022 as being highly experienced in the field of technology and intellectual property transactions. Clients have commented on Tessa as having "...the ability to translate complex topics into what's necessary to get a deal done. She does a good job of making our technology accessible”. Further, Tessa "ticks all of the essential boxes, timely, efficient, knowledgeable and helpful, but she really stands out by taking time to learn our business and our products so she can give practical and actionable advice. Tessa helps us focus on key issues and balance risks to make choices."Tessa’s pro bono efforts have included work for The Biomimicry Institute, Goodwill, Common Sense Media, Business for Social Responsibility, The World Wildlife Fund, Build Change and the Sustainability Accounting Standards Board (SASB). She also provides IP advice to a variety of cultural, media and arts organizations; and other assistance for nonprofits. She recently received the Wiley W. Manuel Award for Pro Bono Legal Services from the State Bar of California.Tessa received her B.A. magna cum laude from Harvard College in 1991. In 1996, she earned her J.D. from the University of California at Los Angeles, where she was elected to the Order of the Coif.Tessa served as global managing partner of Morrison Foerster from 2016 to 2022 and previously served as co-chair of the firm’s Technology Transactions Group.