Charles R. "Chuck" Keller

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

As Managing Partner and Founder of Patent Law Works LLP, Greg brings a wealth of experience and knowledge to the practice of patent law. He developed a new model of patent practice for providing intellectual property services that combine a smart combination of legal, technical, and business insights reflecting deep expertise. Greg’s new model for patent practice synthesizes his beliefs that with the ubiquity of the global marketplace, the growing complexity of patent laws in many geogr...

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.

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,...

James J. Masetti is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. James J., 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 James J. is held by other top lawyers in the same geographic and legal practice area.

Phil Levine is head of the firm's Northern California Real Estate Group. Mr. Levine concentrates his practice representing clients in a wide range of commercial real estate equity and debt transactions, including acquisitions and sales; financing (including permanent and construction loans); the structuring and formation of joint ventures and other investment vehicles for the development, ownership, and operation of all major property types, such as multifamily projects, office buildings, and...

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 ...

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.

Christopher Kao is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Christopher, who practices law in San Francisco, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.