Daniel W. "Dan" Ballesteros

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...

Marisa C. San Filippo is a Principal at Flicker Kerin LLP in Menlo Park, California. Her practice is devoted exclusively to family law matters throughout the Bay Area, including divorce , legal separation , child custody and visitation , p roperty characterization and division , child and spousal support, paternity matters , and pre-marital and post-marital agreements . She is certified by the California State Bar Board of Legal Specialization in family law and is a Fellow of the American Aca...

Christopher Kao is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Intellectual Property and Litigation - Patent. Christopher practices law in San Francisco, California Best Lawyers has recognized Christopher Kao since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Christopher Kao is held by other lawyers.

Robert F. McCauley III is a lawyer recognized by Best Lawyers in the practice area of Litigation - Patent. Robert F. practices law in Palo Alto, California Best Lawyers has recognized Robert F. McCauley III since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Robert F. McCauley III is held by other lawyers.

James R. Batchelder is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Intellectual Property, Litigation - Patent and Patent Law. James R. practices law in Palo Alto, California Best Lawyers has recognized James R. Batchelder since 2014. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which James R. Batchelder is held by other lawyers.

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.

Breann Robowski is a lawyer recognized by Best Lawyers in the practice area of Litigation and Controversy - Tax. Breann practices law in Palo Alto, California Best Lawyers has recognized Breann Robowski since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Breann Robowski is held by other lawyers.

Daniel Olmos is a lawyer recognized by Best Lawyers in the practice areas of Criminal Defense: General Practice and Criminal Defense: White-Collar. Daniel practices law in Palo Alto, California Best Lawyers has recognized Daniel Olmos since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Daniel Olmos is held by other lawyers.

When a company or its leaders are at risk, founding partner Daniel J. Bergeson uses his substantial litigation and trial experience to advocate for their rights and reputations in lawsuits involving securities, intellectual property, employment, private equity and venture capital, and commercial law. He focuses on the essential facts to persuade juries, judges, and triers of cases in state and federal courts and arbitration forums in Silicon Valley, Delaware, New York, and other dispute resol...

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, ...