Paul Sieben

After almost forty years at "Big Law" firms, Lester Brown opened his own firm on October 1, 2024. Les offers deep knowledge and insights in complex commercial litigation, with a focus on representing policyholders in challenging insurance coverage disputes, achieving substantial recoveries for his clients. Les has served a diverse range of clients including electric and gas utilities, tech firms, telecommunications companies, chemical and oil corporations, as well as manufacturers, landlords,...

Tyler represents plaintiffs and defendants in civil cases, public entity litigation, and high-stakes disputes. His clients range from individuals and closely held businesses to Fortune 500 companies. Tyler also frequently represents defendants and victims in criminal cases. His combined civil and criminal practices have helped him gain considerable experience in courtrooms throughout the Bay Area. His representation of criminal defendants facing potential civil claims, and civil clients with ...

Commercial litigator Adam Trigg represents directors, officers, and founders in complex securities litigation, shareholder disputes, business divorces, and other intracompany controversies. His Silicon Valley-based clients include executives and leaders of venture capital, life sciences, biotechnology, and high-tech companies. Securities Litigation and SEC Investigations Adam has defended numerous officers, directors, and companies in securities class actions, shareholder derivative actions, ...

Sean Breen is trial attorney and a partner at Howry, Breen & Herman LLP. Sean has won several Hall of Fame and Record setting verdicts and secured hundreds of millions of dollars in settlements. Sean has extensive litigation and trial experience aggressively handling and winning a broad range of cases. Mr. Breen is licensed in Texas and Colorado has over 25 years of experience representing individuals and businesses as a trial lawyer. He is recognized as one of the top trial attorneys in ...

With more than 15 years of immigration law experience, Regina Knoll represents a diverse group of people and business entities. Ms. Knoll’s experience includes representing U.S. and foreign companies spanning across all sizes and industries, foreign investors, professionals, people of extraordinary ability in the arts, sciences, business, and education, religious workers, medical professionals, performers and athletes, family members of U.S. citizens and residents, victims of violence (...

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.

Jennifer Jordan McCall is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates. Jennifer Jordan, who practices law in Palo Alto, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer Jordan is held by other top lawyers in the same geographic and legal practice area.

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...

Mark Selwyn is a partner in the Litigation/Controversy Department. He joined the firm in 1994. Mr. Selwyn’s practice focuses on intellectual property litigation. Major corporations have relied on him to litigate biomedical, electrical, chemical, mechanical, and business method patents involving a diverse array of technologies, including wireless communications, electronic commerce, digital cameras, solid state disk drives, location sensing, biosensors, water and wastewater filtration, i...

A member of the trial bar for over 50 years, Jim has unparalleled experience and skill in preparing and presenting cases for adjudication – whether by jury, judge, arbitrator, mediator or the parties themselves. He represents Silicon Valley companies with commercial, trade secret and intellectual property issues. Jim also represents individuals in a wide variety of matters, including civil rights actions, employment disputes, family law and criminal defense.