Representing startups to Fortune 100 companies, Pillsbury Litigation partner Dianne Sweeney achieves winning results for clients at trial, on appeal and at the negotiating table.

Dianne Sweeney leads the Silicon Valley Litigation team and is the managing partner of Pillsbury’s Silicon Valley office. A skilled commercial and technology trial lawyer, Dianne represents clients on complex business issues in federal and state courts as well as before administrative panels. Her experience in complex corporate transactions and litigation proceedings encompasses merger, shareholder, joint venture and earnout disputes in California and Delaware; antitrust cases; contested property tax assessments; key executive employment disputes and trade secret claims. Dianne also provides risk management assessment and strategic litigation counsel to emerging businesses, especially clients in the high-tech sector.


+1-650-233-4046

Dianne Sweeney

Office Managing Partner, Silicon Valley; Litigation Partner
Pillsbury
California

Practice Area: Litigation

All-Star

WHAT CLIENTS SAY

"Dianne is smart, accessible and possesses excellent business instincts."

MY CLIENT PHILOSOPHY

"I view my role as a trusted extension of my clients' teams, bringing legal judgment together with a practical understanding of their business needs and goals. My relationships are built on candor, collaboration, and responsiveness. The best legal outcomes do more than solve legal problems—they advance the client's broader business objectives. "

– Dianne Sweeney

ALL-STAR BIOGRAPHY

Representing startups to Fortune 100 companies, Pillsbury Litigation partner Dianne Sweeney achieves winning results for clients at trial, on appeal and at the negotiating table.

Dianne Sweeney leads the Silicon Valley Litigation team and is the managing partner of Pillsbury’s Silicon Valley office. A skilled commercial and technology trial lawyer, Dianne represents clients on complex business issues in federal and state courts as well as before administrative panels. Her experience in complex corporate transactions and litigation proceedings encompasses merger, shareholder, joint venture and earnout disputes in California and Delaware; antitrust cases; contested property tax assessments; key executive employment disputes and trade secret claims. Dianne also provides risk management assessment and strategic litigation counsel to emerging businesses, especially clients in the high-tech sector.

Visit All-Star's Firm »


+1-650-233-4046

Dianne Sweeney

Office Managing Partner, Silicon Valley; Litigation Partner
Pillsbury
California

Practice Area: Litigation

M&A All-Star

ALL-STAR BIOGRAPHY

Representing startups to Fortune 100 companies, Pillsbury Litigation partner Dianne Sweeney achieves winning results for clients at trial, on appeal and at the negotiating table.

Dianne Sweeney leads the Silicon Valley Litigation team and is the managing partner of Pillsbury’s Silicon Valley office. A skilled commercial and technology trial lawyer, Dianne represents clients on complex business issues in federal and state courts as well as before administrative panels. Her experience in complex corporate transactions and litigation proceedings encompasses merger, shareholder, joint venture and earnout disputes in California and Delaware; antitrust cases; contested property tax assessments; key executive employment disputes and trade secret claims. Dianne also provides risk management assessment and strategic litigation counsel to emerging businesses, especially clients in the high-tech sector.

Visit All-Star's Firm »