People

Marianna Urban 高级律师

杜塞尔多夫

She advises companies in all stages of growth, from pre-IPO start-ups to unicorns and investors to international corporations on a wide range of labor law matters. In addition to day-to-day employment law advice, this includes assisting companies with complex transactions, restructurings, and redundancies.

Her practice also focuses on employment law issues, such as employee leasing, service contracts for the management board or advice in the conclusion and negotiation of shop agreements.

Most recently, she has advised leading global technology companies such as Pinterest and Snap on various labor law issues and has been an important contact for many young technology companies since their foundation.

Marianna has been with Orrick since 2019.

Robert L. Uriarte 合伙人

硅谷; Los Angeles

Robert is a technology litigator and trial lawyer focused on software, security technology, and emerging internet law and digital crimes issues.   Robert has helped establish landmark precedent under the Copyright Act, the Computer Fraud and Abuse Act,  California Penal Code 502, and Digital Millennium Copyright Act, and he has successfully tried multiple cases to verdict, including under the Patent Act.  In addition to litigation work, Robert also counsels companies ranging from market leaders to start-ups on issues related to intellectual property, security, and incident response.  Robert brings a creative, business-oriented approach to helping clients develop, acquire, and protect their most important assets. 

Robert is committed to improving diversity in the legal profession. He co-chaired Orrick's Silicon Valley Diversity Committee for many years and is one of the firm-wide facilitators for Orrick’s Latinx Inclusion Network.  Robert is also committed to pro bono work.  He received Orrick's Pro Bono Award in 2019 and the Legal Aid Association of California's 2015 Family Law Pro Bono Award.  Robert currently serves as a member the board of directors for the San Mateo County Legal Aid Society. 

Robert served as a law clerk to U.S. District Judge Oliver W. Wanger in the Eastern District of California prior to commencing private practice.

Annie Prasad Vadillo 高级律师

硅谷

As a trial lawyer, trusted counselor, and advocate, Annie finds creative solutions - whether that means tackling challenging issues with current employees, resolving a matter pre-litigation, or winning decisively at trial.  Having amassed significant courtroom and trial experience, she knows how to deliver the best results for her client. She has won trials and arbitrations and defended several companies against high-profile, highly publicized claims.  Representative clients include Apple, Carta, Lyft, Williams-Sonoma, Inc., Unity Technologies, Instabase, TaskRabbit, and Next Insurance. 

Annie also has expertise in gig economy and independent contractor classification issues, workplace best practices and policies, defending companies in government audits including unemployment insurance audits, investigating internal employee complaints, and counseling on issues throughout the entire employee life cycle. 

When she is not in her office in Menlo Park, Annie chases after her two dogs Clifford and Jude and her toddler.  

Lisa van Velsor Counsel

旧金山

Lisa represents clients in a variety of energy transactions, including project development, mergers, acquisitions and financings. She has a particular focus on real property matters, including negotiating site control documents, title insurance policies and surveys, and coordinating a wide variety of title curative work.

Lisa's background includes commercial real estate work for institutional clients and high net worth individuals, with extensive experience representing clients on acquisitions, dispositions, financing, and joint ventures.

Amy Van Zant 合伙人

硅谷

For her litigation practice, Amy’s ability to distill the most complicated technology across an array of fields, including telecommunications, semiconductor manufacturing, renewable energy, cloud computing, and big data, into relatable, every day concepts that has made her successful in persuading judges and juries alike. She has led trial teams, litigated, and tried cases in state court in California, numerous District Courts, the International Trade Commission, and has briefed appeals before the 9th Circuit, the Federal Circuit, the Supreme Court of California, and the United States Supreme Court. 

Whether litigating patent, trade secret, or IP contract disputes, Amy strives to put herself in her client’s shoes to ensure personalized results tailored to each client’s business objectives. As SAP’s General Counsel Landon Edmond commented to Acritas, Amy “has acquired a great knowledge of our business, and therefore you know you can trust her in a wide variety of topics and to get the right colleagues within her firm involved across the globe.”

Amy also provides comprehensive IP counseling on issues including trade secrets protection, employee departure investigations, freedom to operate analysis, licensing strategies, data privacy protection, and regulatory compliance. She has also conducted comprehensive patent portfolio reviews and assisted with IP corporate transactions.

In addition to her IP work, Amy devotes significant time to her pro bono work. For more than a decade, she has assisted domestic violence victims, as well as led Orrick’s Bay Area summer program that enables law clerks to be certified to argue in Family Court to obtain Temporary Restraining Orders for domestic violence clients.

Michael Vance 主理律师

休斯敦

Michael represents clients in complex business transactions, including mergers and acquisitions, joint ventures, private equity investments, project development, commercial agreements and general corporate matters primarily in the oil and gas and renewable energy industries.