Charles R. "Chuck" Keller

Lisa Nguyen is a partner in the Intellectual Property practice at Paul Hastings and is based in the firm’s Palo Alto office. She represents cutting-edge technology companies in intellectual property matters, particularly in litigation against non-practicing entities. Ms. Nguyen is adept at resolving disputes efficiently and identifying pragmatic solutions for her clients. Her practical and deliberate approach to prepare cases for trial regularly disposes of claims early in the process. ...

Mark J. Mihanovic, head of the Firm’s California Transactions group, focuses his practice primarily in the areas of corporate finance and mergers and acquisitions. He represents companies in a broad range of industries, with a particular emphasis on technology, life science and health care companies. Read full biography: https://www.mwe.com/people/mihanovic-mark-j/

David A. Lipkin focuses his practice on mergers and acquisitions (M&A) and related securities law matters for companies in the technology and life sciences sectors. He represents both public and private acquirers and target companies, as well as special committees, in large, complex and sophisticated M&A transactions, including tender offers, negotiated mergers and other acquisition structures involving both strategic investors and private equity firms. Read full biography: https://ww...

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

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, ...

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

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

Jack DiCanio’s litigation practice focuses on complex litigation, white collar defense, securities litigation and special corporate investigations. Mr. DiCanio has extensive trial experience representing corporate and individual clients in a variety of civil and criminal actions involving: internal corporate investigations; federal and state securities litigation, including broker/dealer liability; securities fraud, including allegations of accounting improprieties, material misrepresen...

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.

Quyen L. Ta is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration, Commercial Litigation, Litigation - Intellectual Property and Mass Tort Litigation / Class Actions - Defendants. Quyen L., 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 Quyen L. is held by other top lawyers in the same geographic and legal practice area.