Dianne L. Sweeney

Dianne L. Sweeney

Commercial Litigation
Recognized in Best Attorney USA since 2022

About Dianne

Dianne L. Sweeney: Top Attorney in Commercial Litigation Practice Area

Dianne L. Sweeney is a top attorney recognized by Best Attorney USA in the practice area of Commercial Litigation. She practices law in Palo Alto, California, and has been recognized since 2022 based on an exhaustive peer-review survey that reflects her high esteem among other top lawyers in the same geographic and legal practice area.

Practice Areas

  • Commercial Litigation

Awards

  • Recognized: Commercial Litigation, Practice Area: Litigation and Controversy - Tax, Recognized Since: 2022

Firms

  • Pillsbury, Current Law Firm

Affiliations

  • Recognized in Best Attorney USA since 2022

Location: City: Palo Alto
State: California
Country: United States

Education & Credentials

  • Universities: Santa Clara University, Graduated with Honors in Juris Doctorate (J.D.)
    • Drafted and argued several landmark cases for the Supreme Court of California. Served as a legal advisor to numerous start-up businesses.

Bar Admissions

  • California, United States (2018)
  • Certified in Federal Court Practice (2015)

Languages:

  • English - Primary Language
    Spanish - Fluent for immigration and international clients.

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Reviews

4.6 / 5

40 Reviews

1,063 Profile Views

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Caleb Grant

Jan 27, 2026

Would recommend Dianne L. Sweeney for sure to anyone in Palo Alto needing legal help

I've already told all my friends and family about Dianne L. Sweeney. If you need Commercial Litigation law help in California, they're the ones to see without any doubt. They are local experts who rea...

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Pedro Feeney

Jan 27, 2026

So glad I called Dianne L. Sweeney to handle my Commercial Litigation law case in Palo Alto

Just wanted to say a huge thanks to Dianne L. Sweeney and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their...

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Terry McKenzie

Jan 27, 2026

So happy with the results of my case thanks to the hard work of Dianne L. Sweeney and staff

Honestly, I can't thank Dianne L. Sweeney enough for everything they've done for me. They really know their stuff when it comes to Commercial Litigation law and it shows in the results. 10/10 would re...

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Cindy Wolff

Jan 27, 2026

Highly recommend Dianne L. Sweeney for anyone needing expert Commercial Litigation law help in California

Short and sweet: Dianne L. Sweeney is the real deal and a true professional in the field of Commercial Litigation law. If you're in Palo Alto and need help with your legal issues, call them immediatel...

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Jessie Hauck

Jan 27, 2026

Great people who truly care at Dianne L. Sweeney - the best legal team in California

Just wanted to say a huge thanks to Dianne L. Sweeney and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without their...