Maria S. Quintero
Maria S. Quintero
Partner
She/Her
"Preparedness, persuasion, and passion: these are some of the key items in my client-service toolbox."

Maria S. Quintero
Partner
She/Her
"Preparedness, persuasion, and passion: these are some of the key items in my client-service toolbox."
About Maria
Maria handles complex insurance disputes involving insurance coverage lines, including property, cyber, environmental, employment, commercial general, and professional liability. She works with clients at every phase and in every facet of insurance law, handling negotiation, litigation, coverage opinions, policy drafting, and extra-contractual disputes.
Maria develops training on industry best practices and is experienced with bench and jury trials and with appellate court arguments. She is a frequent commentator, presenter, and writer on emerging industry issues and technology.
Areas of Focus
Experience
- Secured a defense verdict in a month-long jury trial involving claims of bad faith and products liability. Secured an award of expert witness costs and fees in favor of the defendant insurer.
- Prevailed on a motion for summary judgment involving a $900,000 claim for coverage under an additional insured endorsement.
- Prevailed on a motion for judgment on the pleadings involving constitutional and common law claims for due process.
- Successfully opposed a writ of certiorari in the US Supreme Court.
- Prevailed in challenging a complaint alleging improper use of policy proceeds under a directors and officers policy in a case involving more than 50 claimants.
Recognition
- Northern California Super Lawyers, 2017 – 2018, 2025
- Santa Clara University School of Law, Top 11 percent of her graduating class; Dean's List; Santa Clara Computer and High Technology Law Journal, Research Editor; CALI Award in Legal Analysis and Research and Writing; Witkins Award for Alternative Dispute Resolution; Honors Moot Court, Semifinalist; Recipient of multiple Law and Faculty Scholarships, including the Eleven Easy Pieces Scholarship
Credentials
Education
- Santa Clara University School of Law, JD, 2002
- Pomona College, BA, 1999
Bar Admissions
- California
Court Admissions
- US Supreme Court
- US Court of Appeals for the Ninth Circuit
- US District Court for the Central District of California
- US District Court for the Eastern District of California
- US District Court for the Northern District of California
- US District Court for the Southern District of California
Thought Leadership
Presentations
- Co-Presenter, "Let's Go To Trial! This Is The Way!" CLM, CE/CLE Webinar, February 12, 2025
- Panelist, "A Big-Picture Look at Going to Arbitration," CLM Construction Conference, Huntington Beach, California, September 19, 2024
- Panelist, "Recent Important Decisions from California, Arizona, and Nevada Courts," West Coast Casualty Seminar, Anaheim, California, May 18, 2023
- Speaker, "Key Developments In Insurance – 2022," University of California Continuing Education of the Bar – California, Webinar, December 2022
- Panelist, "Recent Important Decisions from California, Arizona, and Nevada Courts," West Coast Casualty Construction Defect Seminar, Anaheim, California, May 12, 2022
Events
- Maria Quintero to Discuss Arbitration at the CLM Construction Conference, Sep 19, 2024
- Hinshaw's Maria Quintero to Discuss Upward Trend of Construction Defect Litigation, Sep 26, 2019
- Hinshaw's Maria Quintero to Discuss Construction Coverage at ADC Annual Construction Seminar, May 3, 2019
- Maria Quintero to Speak on Construction Litigation Trends at CLM Annual Conference, Mar 14, 2019
- Hinshaw Sponsors 2018 PLUS International Conference: Special Event RSVP, Nov 8, 2018
In The News
- Maria Quintero Presents on the Merits and Pitfalls of Insurance Coverage Litigation, Dec 17, 2020
- Maria Quintero Discusses Construction Litigation Trends in DRI Presentation, Apr 12, 2019
- Maria Quintero Presents on Coverage Nightmares at the CLM Construction Conference, Oct 10, 2017
- Maria Quintero Announced as Speaker for the 2016 CLM New York Conference, Nov 29, 2016
- Maria Quintero Quoted in Forbes Article on Google's Concerns Over Michigan's Driverless Car Plan, Sep 16, 2016
Press Releases
- Hinshaw Insurance Law TV: Claims Handling Issues and Bad Faith Developments for Insurers to be Aware of in 2021, Jun 7, 2021
- Hinshaw's Maria Quintero Appointed President of the CLM San Francisco Bay Chapter, Mar 11, 2019
- Maria Quintero Appointed to Serve as the National Chair for the Claims & Litigation Management Alliance Extra-Contractual Committee, Mar 4, 2016
- Hinshaw Partner Maria Quintero Approved for Membership in the Federation of Defense & Corporate Counsel, Dec 18, 2015
- Hinshaw & Culbertson LLP Announces Election of New Partners, Jul 1, 2014
Webinars
- Maria Quintero Shares Key Practitioner Insights on Handling Construction Defect Trials, Feb 12, 2025
- Webinar Series: Insurance Insights – What Insurers Need to Know in 2021, Apr 29, 2021
- Maria Quintero to Discuss Extra-Contractual Considerations in Connection with Flood of COVID-19 Coverage Claims, Apr 7, 2020
Interests
Maria is a dedicated fan of numerous local sports teams, including the San Francisco 49ers, San Francisco Giants, Golden State Warriors, and Pomona College Sagehens. Maria also enjoys creative writing, preferably on the shores of Lake Tahoe.
Community/Civic Activities
- Saratoga High School Moot Court Program, Volunteer Attorney Advisor; Trial Advocacy Teacher
Thought Leadership
Presentations
- Co-Presenter, "Let's Go To Trial! This Is The Way!" CLM, CE/CLE Webinar, February 12, 2025
- Panelist, "A Big-Picture Look at Going to Arbitration," CLM Construction Conference, Huntington Beach, California, September 19, 2024
- Panelist, "Recent Important Decisions from California, Arizona, and Nevada Courts," West Coast Casualty Seminar, Anaheim, California, May 18, 2023
- Speaker, "Key Developments In Insurance – 2022," University of California Continuing Education of the Bar – California, Webinar, December 2022
- Panelist, "Recent Important Decisions from California, Arizona, and Nevada Courts," West Coast Casualty Construction Defect Seminar, Anaheim, California, May 12, 2022
Events
- Maria Quintero to Discuss Arbitration at the CLM Construction Conference, Sep 19, 2024
- Hinshaw's Maria Quintero to Discuss Upward Trend of Construction Defect Litigation, Sep 26, 2019
- Hinshaw's Maria Quintero to Discuss Construction Coverage at ADC Annual Construction Seminar, May 3, 2019
- Maria Quintero to Speak on Construction Litigation Trends at CLM Annual Conference, Mar 14, 2019
- Hinshaw Sponsors 2018 PLUS International Conference: Special Event RSVP, Nov 8, 2018
In The News
- Maria Quintero Presents on the Merits and Pitfalls of Insurance Coverage Litigation, Dec 17, 2020
- Maria Quintero Discusses Construction Litigation Trends in DRI Presentation, Apr 12, 2019
- Maria Quintero Presents on Coverage Nightmares at the CLM Construction Conference, Oct 10, 2017
- Maria Quintero Announced as Speaker for the 2016 CLM New York Conference, Nov 29, 2016
- Maria Quintero Quoted in Forbes Article on Google's Concerns Over Michigan's Driverless Car Plan, Sep 16, 2016
Press Releases
- Hinshaw Insurance Law TV: Claims Handling Issues and Bad Faith Developments for Insurers to be Aware of in 2021, Jun 7, 2021
- Hinshaw's Maria Quintero Appointed President of the CLM San Francisco Bay Chapter, Mar 11, 2019
- Maria Quintero Appointed to Serve as the National Chair for the Claims & Litigation Management Alliance Extra-Contractual Committee, Mar 4, 2016
- Hinshaw Partner Maria Quintero Approved for Membership in the Federation of Defense & Corporate Counsel, Dec 18, 2015
- Hinshaw & Culbertson LLP Announces Election of New Partners, Jul 1, 2014
Webinars
- Maria Quintero Shares Key Practitioner Insights on Handling Construction Defect Trials, Feb 12, 2025
- Webinar Series: Insurance Insights – What Insurers Need to Know in 2021, Apr 29, 2021
- Maria Quintero to Discuss Extra-Contractual Considerations in Connection with Flood of COVID-19 Coverage Claims, Apr 7, 2020
Maria's Insights

Webinar
Apr 29, 2021
Webinar Series: Insurance Insights – What Insurers Need to Know in 2021

In The News
Dec 17, 2020
Maria Quintero Presents on the Merits and Pitfalls of Insurance Coverage Litigation

In The News
Apr 12, 2019
Maria Quintero Discusses Construction Litigation Trends in DRI Presentation

Press Release
Mar 11, 2019
Hinshaw's Maria Quintero Appointed President of the CLM San Francisco Bay Chapter