Dianne L. Sweeney

4.6 (40 reviews )

Palo Alto California United States

Commercial Litigation

Recognized in Best Attorney USA since 2022

650-233-4500 Website

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.

Practice Areas

Commercial Litigation

Education

Santa Clara University

Awards & Recognition

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Reviews

4.6 / 5

40 Reviews

1,067 Profile Views

Michael Stroman-O'Kon

Jan 27, 2026

Many thanks to Dianne L. Sweeney for the hard work and dedication to my legal matter

Really glad I found Dianne L. Sweeney for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how they handled the opposition. If you're in...

Alan Witting

Jan 27, 2026

Dianne L. Sweeney did a great job handling my complex Commercial Litigation law case from start to finish

I appreciate how Dianne L. Sweeney handled my case. No fluff, just straight to the point and very effective representation for my Commercial Litigation law matter. They are obviously very experienced...

Antonia Kuhn

Jan 27, 2026

Many thanks to Dianne L. Sweeney for the hard work and dedication to my legal matter

Ebony Lowe

Jan 27, 2026

Five stars for the incredible team at Dianne L. Sweeney in Palo Alto - they are amazing

Lucia Bradtke

Jan 27, 2026

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

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...