Jeffrey W. "Jeff" Guise

Dianne L. Sweeney is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Dianne L., who practices law in Palo Alto, California, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dianne L. is held by other top lawyers in the same geographic and legal practice area.

Thomas J. Ivey is a top attorney recognized by Best Lawyers in the practice area(s) of Securities / Capital Markets Law. Thomas J., who practices law in Palo Alto, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas J. is held by other top lawyers in the same geographic and legal practice area.

Rudy Kim is a partner in the Intellectual Property practice of Paul Hastings and is the Chair of the Litigation Department in Palo Alto. Mr. Kim has over 20 years of experience representing clients in high-stakes IP and technology-related litigation involving patent infringement, trade secret misappropriation, and complex commercial claims in federal district and appellate courts, in private arbitration, and before the U.S. International Trade Commission (ITC) and the U.S. Patent and Trademar...

Daniel Olmos is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: General Practice and Criminal Defense: White-Collar. Daniel, who practices law in Palo Alto, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel is held by other top lawyers in the same geographic and legal practice area.

Mark R.S. Foster is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Mark R.S., who practices law in Palo Alto, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark R.S. is held by other top lawyers in the same geographic and legal practice area.

Judith A. Hasko is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice. Judith A., who practices law in Palo Alto, California, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Judith A. 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...

Chip Lion is a partner in the Corporate Finance Group with Morrison & Foerster LLP in Palo Alto California where he is the immediate past chair of the firm’s Palo Alto Corporate Finance Group and is the firm-wide co-chair of firm’s Private Equity Fund Group. Mr. Lion regularly advises institutional investors and fund sponsors in connection with the formation of venture capital funds, leveraged buyout funds, real estate opportunity and other private equity funds. Mr. Lion repre...

David Jakopin is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. David, 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 David is held by other top lawyers in the same geographic and legal practice area.

Ian Ballon is an intellectual property and Internet litigator who represents clients in copyright, DMCA, trademark, trade secret, right of publicity, privacy, security, software, database and Internet disputes and in the defense of data privacy, behavioral advertising and other Internet-related class action suits. Mr. Ballon, who splits his time between the firm's Silicon Valley and LA offices, is the author of the four-volume legal treatise, E-Commerce and Internet Law: Treatise With Forms 2...