Leonard X. Rosenberg

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.

Alejandro Ruiz is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Alejandro, who practices law in Menlo Park, California, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alejandro is held by other top lawyers in the same geographic and legal practice area.

Erik Puknys’ career in intellectual property began more than 25 years ago, when he joined the U.S. Patent & Trademark Office as a patent examiner. Erik started his legal career at Finnegan’s Washington, D.C. office in 1994, and moved to California in 1997 to help open the firm’s Silicon Valley office. He has represented both plaintiffs and defendants in district courts around the United States, in the Court of Appeals for the Federal Circuit, and in the U.S. Supreme Cour...

Kim T. Schoknecht is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Kim T., 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 Kim T. is held by other top lawyers in the same geographic and legal practice area.

Erik Olson's practice focuses on the litigation of securities, corporate governance, and intellectual property disputes, with particular emphasis on clients in the biotechnology, medical device, retail, and high-technology industries. In securities-related matters, Mr. Olson has repeatedly obtained dismissals of federal class action lawsuits under the Private Securities Litigation Reform Act and successfully defended those dismissals before the Fourth, Ninth and Tenth Circuits for numerous pr...

Lloyd Winawer is known for his work on complex business litigation and investigations. Lloyd focuses on disputes arising from mergers and acquisitions and other commercial transactions and securities law matters. Lloyd is the leader of Bergeson’s M&A Dispute Resolution Group. Lloyd has significant expertise in M&A disputes, having litigated and advised on numerous post-closing controversies related to earnouts, purchase price adjustments, contingent value rights, milestone and p...

Blake Russum is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation - Insurance. Blake, who practices law in Menlo Park, California, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Blake is held by other top lawyers in the same geographic and legal practice area.

Michael D. Celio is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Securities. Michael 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 Michael D. is held by other top lawyers in the same geographic and legal practice area.

Susan M. Spaeth is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Litigation - Patent. Susan M., who practices law in Menlo Park, California, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Susan M. is held by other top lawyers in the same geographic and legal practice area.

Amr Razzak is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law. Amr, 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 Amr is held by other top lawyers in the same geographic and legal practice area.