Skip to Main Content
  • About Us
  • People
  • Capabilities
  • News & Insights
  • Events
  1. People
  2. Diane C. Polletta

Diane C. Polletta

Counsel

Diane Polletta is a member of the firm’s Business Litigation and Corporate & Financial Litigation practices, where she represents clients in a variety of complex commercial and financial disputes in state and federal courts as well as in domestic and international arbitrations.

Diane has extensive experience with sophisticated business litigation matters, including contract disputes, business torts, shareholder litigation, partnership and corporate disputes and breaches of fiduciary duties. In addition, she handles antitrust issues, unfair trade practices claims, and complex foreclosures. Her clients include financial institutions, closely held corporations, limited liability companies and partnerships.

Prior to joining the firm, she was a law clerk to the Honorable Janet Bond Arterton, United States District Judge for the District of Connecticut.

Credentials

Education

  • Yale University, J.D., 2001
  • Connecticut College, B.A., 1996, summa cum laude, Phi Beta Kappa

Bar Admissions

  • Connecticut
  • New York

Court Admissions

  • U.S. District Court, Southern District of NY
  • U.S. District Court, District of CT

Distinctions

Professional Affiliations

  • American Bar Association
  • Connecticut Bar Association

Experience

Business tort/commercial litigation

Awarded Summary Judgment in High Stakes Case for Global Technology Research and Advisory Firm

Awarded summary judgment, affirmed by a unanimous decision of the Connecticut Supreme Court, on behalf of a global technology research firm who was sued for defamation and unfair trade practices. The plaintiff alleged, in substance, that statements made by our client in a research report were defamatory and motivated by a “pay-to-play” business model which rewarded vendors who purchased substantial services from our client and punished those who did not. After the trial court granted our motion for summary judgment dismissing the lawsuit, the plaintiff appealed. The Connecticut Supreme Court unanimously affirmed the trial court’s dismissal, holding that the statements in the report were non-actionable expressions of opinion, and that no credible evidence existed to support the pay-to-play argument made by the plaintiff.

Litigation

Advised Client on National Antitrust Litigation Affecting the Dairy Industry

Nine years of contentious litigation involving Shipman & Goodwin client Agri-Mark, Inc. came to an end in 2020. A class action lawsuit in the Southern District of Illinois brought by a national class of direct purchasers of cheese and butter alleged that dairy cooperatives, as members of the National Milk Producers Federation’s (“NMPF”) Cooperatives Working Together (“CWT”) program, conspired to increase the price of raw farm milk, butter and cheese, by funding CWT’s voluntary herd retirement program. Separately, retail chain Winn-Dixie Stores, Inc. brought its own antitrust suit in the Middle District of Florida, based on similar allegations. Plaintiffs and Defendant NMPF entered into settlement agreements in both cases in late 2019 and early 2020.
Diane Polleto Headshot

Stamford

203.324.8179

dpolletta@goodwin.com

Areas of Focus

  • Business and Commercial Litigation
  • Litigation
  • Antitrust Litigation
View All Insights
  • -

    International Comparative Legal Guides Litigation and Dispute Resolution CT USA 2024 book cover image

    Diane co-authored a chapter in International Comparative's Legal Guide's 2024 Litigation and Alternative Dispute Resolution Laws and Regulations USA.

     

February 26, 2024

Litigation and Dispute Resolution Laws and Regulations USA - Connecticut, 2024

READ MORE →

March 9, 2023

International Comparative Legal Guide to Litigation and Dispute Resolution 2023

READ MORE →

April 2022

Litigation & Dispute Resolution 2022

READ MORE →

June 15, 2021

Connecticut Bar Association's 2021 Connecticut Legal Conference

READ MORE →

Keep in Touch

Stay current with our latest insights

Manage Subscriptions
  • Lawyers
  • Capabilities
  • Events
  • Diversity, Equity and Inclusion
  • Pro Bono and Community
  • Blogs and Resource Centers
  • Insights
  • Podcasts
  • Dobbs Decision Resource Center
  • About Us
  • Careers
  • Contact Us
  • Disclaimer
  • Privacy Policy
  • Terms of Use
  • Accessibility Statement

© Shipman & Goodwin LLP™ 2025. All Rights Reserved