Skip to main contentSkip to navigation
BCLP logo
  • People People

  • SectorsAviation, Aerospace & DefenseEnergy TransitionFinancial InstitutionsFood & AgribusinessHealthcare & Life SciencesReal EstateRetail & Consumer Products Sports, Media & Entertainment

    View all sectors View all sectors

    Practice areasFinanceInvestigationsLitigationReal EstateRegulation, Compliance & AdvisoryTax & Private ClientTransactions

    View all practice areas View all practice areas

  • News News

    AwardsDiversityPro Bono

    View all News View all News

    Insights Insights

    BlogsPodcastsWebinars

    View all Insights View all Insights

  • Perspectives Perspectives

    Getting Deals DoneEmerging Themes 2025The Sustainability Imperative Confronting CorruptionClass Actions
    Trending TopicsArtificial IntelligenceThe Corporate Transparency ActTrump Second Term: Legal Tracker
  • Events Events

    Webinars
  • About us About us

    Pro bono & CommunityInclusion & DiversityResponsible Business

    Client stories Client stories

    Media inquiries Media inquiries

  • Careers
  • Locations
  • Subscribe
BCLP logo
People
Capabilities
News & Insights
BCLP logo

Louis F. Bonacorsi

Louis Bonacorsi
  1. People /

Louis F. Bonacorsi

Louis F. Bonacorsi

Senior Counsel


St. Louis
Louis Bonacorsi
  1. People /

Louis F. Bonacorsi

Louis F. Bonacorsi

Senior Counsel


St. Louis

Louis F. Bonacorsi

Senior Counsel

St. Louis

T: +1 314 259 2090

VcardVcard
Download PDFDownload PDF
Print
Share
  • Biography

  • Experience

Biography

Lou Bonacorsi is a trial lawyer who concentrates in the trial and coordination of complex and simple commercial lawsuits and proceedings involving business tort, contract, insurance, intellectual property, real property and telecommunications law. His concentration also includes defense of consumer litigation involving banks and other credit providers. He represents his clients in local and distant federal and state courts and administrative agencies. Prior to joining BCLP, he was a partner at a St. Louis law firm.

Civic Involvement & Honors

  • The Best Lawyers in America®, 2015
  • Missouri/Kansas Super Lawyers, 2015

Professional Affiliations

  • American Law Institute
  • Product Liability Advisory Council

Admissions

  • Illinois, 1981
  • Missouri, 1977
  • United States Courts of Appeals for the Second, Seventh, Eighth and Federal Circuits
    United States District Courts for the Eastern and Western Districts of Missouri, Central and Southern Districts of Illinois, and District of Columbia

Education

Washington University, J.D., 1977

Washington University, B.A., 1971

Related Capabilities

Pharmaceutical & Medical Devices (Class Actions) Pharmaceutical & Medical Devices (Class Actions)

Pharmaceutical & Medical Devices (Mass Torts) Pharmaceutical & Medical Devices (Mass Torts)

Enforcement Enforcement

Litigation Litigation

Regulation Regulation

Class Actions Class Actions

Consumer Finance Disputes Consumer Finance Disputes

Mass Torts & Product Liability Mass Torts & Product Liability

Business & Commercial Disputes Business & Commercial Disputes

Antitrust Class Actions Antitrust Class Actions

Shareholder Securities and Mergers & Acquisitions Shareholder Securities and Mergers & Acquisitions

Food, Ag & Nutrition (Class Actions) Food, Ag & Nutrition (Class Actions)

Class Actions & Mass Torts Class Actions & Mass Torts

Financial Services Financial Services

Employment Class & Collective Actions Employment Class & Collective Actions

Sports (Class Actions) Sports (Class Actions)

Data Privacy, Telecommunications & Collections Data Privacy, Telecommunications & Collections

Banking & Finance Disputes Banking & Finance Disputes

Litigation & Dispute Resolution Litigation & Dispute Resolution

Financial Institutions Financial Institutions

Finance Finance

Catastrophic Accidents Catastrophic Accidents

Consumer Fraud Consumer Fraud

Consumer Products Consumer Products

Food, Ag & Nutrition Food, Ag & Nutrition

Insurance (Class Actions) Insurance (Class Actions)

Pharmaceutical & Medical Devices (Class Actions) Pharmaceutical & Medical Devices (Class Actions)

Pharmaceutical & Medical Devices (Mass Torts) Pharmaceutical & Medical Devices (Mass Torts)

Enforcement Enforcement

Litigation Litigation

Regulation Regulation

Class Actions Class Actions

Consumer Finance Disputes Consumer Finance Disputes

Mass Torts & Product Liability Mass Torts & Product Liability

Business & Commercial Disputes Business & Commercial Disputes

Antitrust Class Actions Antitrust Class Actions

Shareholder Securities and Mergers & Acquisitions Shareholder Securities and Mergers & Acquisitions

Food, Ag & Nutrition (Class Actions) Food, Ag & Nutrition (Class Actions)

Class Actions & Mass Torts Class Actions & Mass Torts

Financial Services Financial Services

Employment Class & Collective Actions Employment Class & Collective Actions

Sports (Class Actions) Sports (Class Actions)

Data Privacy, Telecommunications & Collections Data Privacy, Telecommunications & Collections

Banking & Finance Disputes Banking & Finance Disputes

Litigation & Dispute Resolution Litigation & Dispute Resolution

Financial Institutions Financial Institutions

Finance Finance

Catastrophic Accidents Catastrophic Accidents

Consumer Fraud Consumer Fraud

Consumer Products Consumer Products

Food, Ag & Nutrition Food, Ag & Nutrition

Insurance (Class Actions) Insurance (Class Actions)

Pharmaceutical & Medical Devices (Class Actions) Pharmaceutical & Medical Devices (Class Actions)

Pharmaceutical & Medical Devices (Mass Torts) Pharmaceutical & Medical Devices (Mass Torts)

Enforcement Enforcement

Litigation Litigation

Regulation Regulation

Class Actions Class Actions

Consumer Finance Disputes Consumer Finance Disputes

Mass Torts & Product Liability Mass Torts & Product Liability

  • Business & Commercial Disputes

  • Antitrust Class Actions

  • Shareholder Securities and Mergers & Acquisitions

  • Food, Ag & Nutrition (Class Actions)

  • Class Actions & Mass Torts

  • Financial Services

  • Employment Class & Collective Actions

  • Sports (Class Actions)

  • Data Privacy, Telecommunications & Collections

  • Banking & Finance Disputes

  • Litigation & Dispute Resolution

  • Financial Institutions

  • Finance

  • Catastrophic Accidents

  • Consumer Fraud

  • Consumer Products

  • Food, Ag & Nutrition

  • Insurance (Class Actions)

  • Pharmaceutical & Medical Devices (Class Actions)

  • Pharmaceutical & Medical Devices (Mass Torts)

  • Enforcement

  • Litigation

  • Regulation

  • Class Actions

  • Consumer Finance Disputes

  • Mass Torts & Product Liability

Experience

Mr. Bonacorsi has served as the trial lawyer in many commercial and consumer lawsuits (e.g., breach of contract, fraud, and tort claims) on behalf of Citigroup, Alcatel-Lucent, Emerson Electric Company, AT&T Corp., Monsanto Company, and other large organizations, including many of the leading national banks. He obtained one of the largest jury verdicts ever returned in the United States District Court for the Eastern District of Missouri in a commercial lawsuit brought on behalf of a multinational manufacturing concern.

Mr. Bonacorsi currently leads the prosecution of claims on behalf of a major national bank against mortgage bankers/loan originators to enforce repurchase obligations for loans sold in the secondary investment market. He also acted as trial lawyer and nationwide coordinating counsel for AT&T in contract (jury trial) and multiple product liability lawsuits (jury trials) arising from an OEM contract with a Japanese electronics company.

Related Insights

Awards
Aug 21, 2025

Best Lawyers in the USA 2026

Awards
Aug 17, 2023

The Best Lawyers in America® 2024

Awards
Aug 18, 2022

The Best Lawyers in America© 2023

Awards
Aug 19, 2021

The Best Lawyers in America© 2022

News
Dec 16, 2020

Two from Firm Named BTI Client Service All-Stars 2020

Awards
Aug 20, 2020

The Best Lawyers in America© 2021

Awards
Aug 15, 2019

The Best Lawyers in America© 2020

Awards
Aug 15, 2018

The Best Lawyers in America© 2019

Related Insights

Awards
Aug 21, 2025
Best Lawyers in the USA 2026
Awards
Aug 17, 2023
The Best Lawyers in America® 2024
Awards
Aug 18, 2022
The Best Lawyers in America© 2023
Awards
Aug 19, 2021
The Best Lawyers in America© 2022
News
Dec 16, 2020
Two from Firm Named BTI Client Service All-Stars 2020
Awards
Aug 20, 2020
The Best Lawyers in America© 2021
Awards
Aug 15, 2019
The Best Lawyers in America© 2020
Awards
Aug 15, 2018
The Best Lawyers in America© 2019
Icon: arrow

Back to top

BCLP logo
  • People
  • Capabilities
  • Practice Areas
  • Sectors
  • News & Insights
  • Awards
  • Blogs
  • News & Events
  • Insights
  • Webinars
  • Perspectives
  • Getting Deals Done
  • Emerging Themes
  • The Sustainability Imperative
  • About us
  • Careers
  • Locations
    • Subscribe
    • Legal notices
    • Privacy notice
    • Modern Slavery Act
    • Cookie policy
    • UK Transparency Rules
    • Media inquiries
    Icon: linkedin

    © 2025 Bryan Cave Leighton Paisner LLP