Ariel Siner

Judith Hasko is the Chair of the Transactional Department and Co-Chair of WilmerHale’s Life Sciences Practice. She provides counsel to life sciences companies and their investors on strategic, intellectual property and technology-based commercial transactions. Companies in the biotechnology, pharmaceutical, medical device and diagnostic product sectors, along with their investors, depend on Ms. Hasko for guidance and execution of licensing, corporate partnerships, joint ventures, co-pro...

Jeffrey E. Essner is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Real Estate. Jeffrey E., who practices law in San Jose, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey E. is held by other top lawyers in the same geographic and legal practice area.

Katrina Crafton Fluet is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Katrina, who practices law in Menlo Park, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katrina is held by other top lawyers in the same geographic and legal practice area.

Ken D. Kumayama is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Ken D., who practices law in Palo Alto, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ken D. is held by other top lawyers in the same geographic and legal practice area.

Recognized as one of California’s top trial lawyers, Elizabeth focuses her practice on technology, trade secrets, business disputes, and civil rights. She also manages day-to-day operations of the firm. A courtroom veteran, Elizabeth brings keen strategic thinking to every step of litigation. In addition to her trial work, she has handled many sensitive investigations and frequently assists clients in risk management. Clients have described Elizabeth as “an excellent trial lawyer&...

Anthony Michael Glassman focuses his practice in the areas of First Amendment rights, media law, product disparagement, publicity and privacy rights, crisis management, and white-collar criminal defense. He has tried over 100 civil and criminal trials to jury verdict, and has handled numerous appellate matters before the California Supreme Court and federal appellate courts for the Ninth Circuit en banc , the Fifth Circuit, and the Tenth Circuit. Anthony is a Fellow in the American College of...

Chris Berka is a nationally recognized trial lawyer with a practice focusing on environmental, real estate, energy, natural resources, product liability and contract matters. He has resolved more than two hundred cases for clients in a range of industries and sectors, including technology, aerospace, oil and natural gas, wind energy, real estate development, pharmaceuticals, higher education, transportation, news media, mining and consumer products. In addition to his litigation practice, Chr...

Lisa Nguyen is a partner in the Intellectual Property practice at Paul Hastings and is based in the firm’s Palo Alto office. She represents cutting-edge technology companies in intellectual property matters, particularly in litigation against non-practicing entities. Ms. Nguyen is adept at resolving disputes efficiently and identifying pragmatic solutions for her clients. Her practical and deliberate approach to prepare cases for trial regularly disposes of claims early in the process. ...

Sonal N. Mehta is a trial lawyer representing many of the world’s leading technology and life sciences companies in high-stakes disputes. Ms. Mehta is regularly called upon by clients—ranging from Silicon Valley’s largest companies to cutting-edge startups—to serve as both lead counsel in the courtroom and trusted advisor in the boardroom. She has nearly 25 years of experience across all aspects of trial and appellate practice, including federal jury and bench trials, ...

Patrick Hammon is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Patrick, who practices law in Palo Alto, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick is held by other top lawyers in the same geographic and legal practice area.