Zachary Hennessee Senior Associate, Supreme Court & Appellate
Washington, D.C.
Washington, D.C.
Washington, D.C.
Before joining the firm, Zachary served as a law clerk to Judge Cornelia Pillard of the U.S. Court of Appeals for the D.C. Circuit and Judge Amit Mehta of the U.S. District Court for the District of Columbia. Zachary graduated first in his class from Duke University School of Law, where he served as a Notes Editor of the Duke Law Journal and an Executive Editor of the Environmental Law & Policy Forum. He also participated in the school’s Environmental Law & Policy Clinic and published two student notes. Zachary was a consultant for the Environmental Protection Agency before law school.
New York
Lauren has experience representing individuals and large companies at all stages of complex civil litigation, from fact-finding to motion practice and everything in between. Lauren practices in federal and state courts nationwide.
Washington, D.C.
He has significant experience building strategic alliances between emerging and traditional payments companies, particularly in the mobile payments area, and he frequently advises clients on payment network issues and regulatory issues related to payments.
Prior to joining Orrick, Jeff was a partner at Buckley LLP. He also was counsel at Sidley Austin LLP, where he handled corporate and transactional matters.
Washington, D.C.
Diana’s experience in managing intricate, high-stakes litigation is evident in her innovative and cost-effective case strategies that consistently lead to favorable resolutions.
Diana's clients rely on her sophisticated, thoughtful approach to ensure solutions align with their overall business goals. Whether it’s through inception, trial, or appeal, Diana's involvement in all phases of litigation guarantees a seamless and effective process. When a business dispute requires aggressive action, Diana is equally adept at representing plaintiffs, showcasing her versatility and determination to achieve fair outcomes for her clients.
Though her experience spans a range of high-stakes commercial disputes, class action and product liability litigation are cornerstones of her practice. In addition to her skill in product liability, Diana has over a decade of experience litigating a variety of intellectual property matters. Her portfolio includes complex multi-defendant, multi-patent district court infringement actions, fast-paced Section 337 Investigations in the International Trade Commission, and high-stakes copyright and trademark cases.
Beyond her litigation success, Diana is dedicated to fostering talent and diversity within the legal community. She has served as a deputy to Orrick's Women's Initiative and played a key role in Orrick's recruiting efforts. Diana previously co-chaired the Associates Committee of Orrick's Washington, D.C., office, earning the Mentor of the Year award in 2011 for her outstanding contributions.
Since joining Orrick's New York office in 2007, Diana has been actively involved in community service. Before Orrick, Diana practiced law in Miami, where she was involved in the local legal community, serving on the Board of Directors of the Dade County Bar Association and participating in the Dade County eMentor program and the Women's Fund of Miami-Dade.
New York
Lauren is experienced with motion practice in federal district courts and state courts throughout New York, California, Texas, Delaware, and other jurisdictions. She has a broad base of scientific knowledge and focuses in patent practice dealing with networked technologies and biomedical engineering. Lauren also practices trade secrets law and drafts motions for cases brought under the Defend Trade Secrets Act, New York common law, and the California Uniform Trade Secrets Act.
Prior to joining Orrick, Lauren attended Columbia Law School, where she participated extensively in the Columbia Science, Health, and Information Clinic and the Columbia Science and Technology Law Review.
Silicon Valley
Harrison graduated from UC Berkeley School of Law with the BCLT Technology Law Certificate and Pro Bono Honors with highest distinction. At Berkeley Law he served as Senior Executive Editor of the Berkeley Technology Law Journal and Co-President of the Space Law Society.
Harrison is dedicated to studying and advocating at the intersection of law and technology. During law school, for fun, he co-authored a comment to the FCC that was well cited in the reply-period and by the FCC in its subsequent order. This comment led to the paper "Title Zero": Ending the Infinite Loop of Classifications for Broadband Via a Technology Agnostic Definition, which won an award after peer review at TPRC49 and is published in the California Law Review in 2022. Harrison is also dedicated to positive social change enabled by law and technology. He was the co-lead organizer for the inaugural 2020 BTLJ/BCLT symposium "Technology Law As a Vehicle for Anti-Racism."
Harrison previously worked at a boutique patent firm in the San Francisco Bay Area where he aided in the drafting of patents. Harrison also brings experience in complex litigation, having worked at a plaintiff-side class action firm during law school. He holds a BS/BA from Loyola Marymount University in Economics/Political Science and a Minor in Natural Science/Physics. He further studied post-baccalaureate at Santa Clara University in Physics.
Silicon Valley; San Francisco
Silicon Valley; San Francisco
Samantha advises financial services and technology companies on a variety of regulatory and compliance matters with a focus on money transmission, payment systems, payroll processing, lending, payment cards, cryptocurrency and banking. Her practice includes guiding clients through product development and outlining regulatory expectations and requirements. She also advises technology companies and financial institutions regarding the applicability of federal and state money services business licensing requirements, provides licensing strategy guidance, and assists with application preparation, submission and regulator communications.
Prior to joining Orrick, Samantha was an associate at Buckley LLP.
New York
Lindsay has experience with trade dress and trademark litigation in federal district courts, trademark proceedings before the International Trade Commission, and cancellation and opposition proceedings before the Trademark Trial and Appeal Board. She also has extensive experience with copyright litigation before the federal district courts, trademark prosecution and clearance, domain name monitoring, and Uniform Domain-Name Dispute Resolution Policy (UDRP) matters.
Prior to joining Orrick, Lindsay attended Columbia Law School where she participated as a student editor for the Columbia Journal of Law & the Arts.
Austin
Julia is passionate about working with founders who think outside the box to grow their companies and become the next big thing across a wide breath of industries and across the globe. Julia has advised early-stage companies in several dozen equity and convertible financings.
Julia also represents investors and venture capital firms on their investments in early and high-growth technology companies.
Washington, D.C.
Allen assists businesses in identifying, assessing, and mitigating risks related to competition matters, collaborating closely with clients to develop tailored compliance strategies, guiding them through the complexities of antitrust laws at both domestic and international levels. He represents clients in a broad range of antitrust issues arising from mergers and acquisitions (including Hart-Scott-Rodino (HSR) filings and second requests), complex civil litigation, government investigations (including civil investigative demands (CID)) and general counseling. Allen represents clients across a diverse range of industries, including consumer technology, digital advertising, pharmaceuticals, e-commerce, real estate, and energy.
Recent notable experience includes representing:
San Francisco
Niki concentrates her corporate practice on representing issuers and underwriters in public offerings and capital markets transactions. Niki also regularly counsels public and late-stage private companies on securities law compliance, disclosure matters, SEC reporting obligations, corporate governance and stock exchange listing obligations. In addition, Niki’s practice includes venture capital financings and advising start-up companies on general corporate matters. She represents a wide range of technology and life sciences companies, from privately held start-ups to publicly traded corporations.
Prior to joining Orrick, Niki was at Fenwick & West LLP and Davis Polk & Wardwell LLP.