General Information
Year founded:
1983
This is the year the firm (or its earliest predecessor entity) was founded.
Overview
Content is provided by the firm.
Campbell Conroy & O'Neil have successfully tried hundreds of large value, high-exposure, technically complex cases to verdict. We provide advice, counseling and representation during all stages of a dispute, ranging from the time before the filing of a lawsuit through the final appeal. Our attorneys are well connected throughout the profession offering clients the advantage of an international network of relationships, access to courts across the country, and world-class trial experience. Internal cost controls, efficient staffing models, state-of-the-art technology, strategic office locations, and a stream-lined approach to case management mean we provide world-class trial performance at exceptionally reasonable rates. Our use of cutting edge technology in the preparation and presentation of every case enhances our ability to deliver clear, organized, powerful arguments that win cases.
Founded in 1983, Campbell Conroy & O'Neil gained early success in automotive product liability cases. Over the last several decades, the firm has developed a national reputation defending a wide variety of industries in all types of civil litigation. The firm serves as local, regional and national counsel to a variety of clients including those in the automotive, transportation, pharmaceutical, medical device, chemical, heavy equipment, commercial equipment, consumer products and many other industries. With offices in seven states, we try cases across the country and regularly act as regional or national coordinating counsel for Fortune 500 companies. Our clients also include locally-owned businesses, family-owned enterprises, and individuals.
Accessibility and responsiveness are hallmarks of great client service, and we continually strive for excellence throughout our business relationships. Our attorneys take a personal interest in your business and know that communication is the key to your peace of mind. We are committed to the successful resolution of your case, based on your definition of success. Not every case belongs in court. We are counselors as well as advocates; throughout the course of our representation, we will counsel your team on the relative risks, costs, and benefits of continued litigation versus settlement. Customized reporting and billing, a litigation plan with budgeting options, a willingness to discuss alternative fee arrangements and a focus on our clients’ business objectives inject both flexibility and predictability into the management of legal budgets.
Our attorneys hold memberships and/or leadership roles in: the American College of Trial Lawyers, the American Board of Trial Advocates, the International Association of Defense Counsel, the Massachusetts Defense Lawyers Association, the Federation of Defense and Corporate Counsel, the Association of Defense Trial Attorneys, the Product Liability Advisory Council, the Defense Research Institute, the American Bar Association, as well as various state bar associations.
We are consistently recognized for our results and are regularly ranked in: Chambers USA, The Legal 500, Benchmark Litigation, The Best Lawyers in America, The Best Lawyers in Boston, The Best Lawyers in Philadelphia, The Best Law Firms, Who’s Who Lega,l Super Lawyers, Martindale-Hubbell and more.
Founded in 1983, Campbell Conroy & O'Neil gained early success in automotive product liability cases. Over the last several decades, the firm has developed a national reputation defending a wide variety of industries in all types of civil litigation. The firm serves as local, regional and national counsel to a variety of clients including those in the automotive, transportation, pharmaceutical, medical device, chemical, heavy equipment, commercial equipment, consumer products and many other industries. With offices in seven states, we try cases across the country and regularly act as regional or national coordinating counsel for Fortune 500 companies. Our clients also include locally-owned businesses, family-owned enterprises, and individuals.
Accessibility and responsiveness are hallmarks of great client service, and we continually strive for excellence throughout our business relationships. Our attorneys take a personal interest in your business and know that communication is the key to your peace of mind. We are committed to the successful resolution of your case, based on your definition of success. Not every case belongs in court. We are counselors as well as advocates; throughout the course of our representation, we will counsel your team on the relative risks, costs, and benefits of continued litigation versus settlement. Customized reporting and billing, a litigation plan with budgeting options, a willingness to discuss alternative fee arrangements and a focus on our clients’ business objectives inject both flexibility and predictability into the management of legal budgets.
Our attorneys hold memberships and/or leadership roles in: the American College of Trial Lawyers, the American Board of Trial Advocates, the International Association of Defense Counsel, the Massachusetts Defense Lawyers Association, the Federation of Defense and Corporate Counsel, the Association of Defense Trial Attorneys, the Product Liability Advisory Council, the Defense Research Institute, the American Bar Association, as well as various state bar associations.
We are consistently recognized for our results and are regularly ranked in: Chambers USA, The Legal 500, Benchmark Litigation, The Best Lawyers in America, The Best Lawyers in Boston, The Best Lawyers in Philadelphia, The Best Law Firms, Who’s Who Lega,l Super Lawyers, Martindale-Hubbell and more.
Rankings
Campbell Conroy & O'Neil, P.C. is nationally ranked in 1 practice areas and metro ranked in 4 practice areas. Best Law Firms rankings are based on a rigorous evaluation process.
Read how Best Law Firms ranks firmsNational Rankings
Tier 1
Tier 1 for Mass Tort Litigation / Class Actions - Defendants
Metro Rankings
Boston
Tier 1 for Mass Tort Litigation / Class Actions - Defendants
Tier 1 for Personal Injury Litigation - Defendants
Tier 1 for Product Liability Litigation - Defendants
Tier 3 for Criminal Defense: White-Collar
Philadelphia
Tier 1 for Personal Injury Litigation - Defendants
Firm Leadership
About Our Clients
Campbell Conroy & O'Neil represents Fortune 500 and Global 500 companies in more than half our cases and we understand the needs and demands of in-house counsel. Our clients include multi-nationals, locally-owned businesses, family-owned enterprises, as well as individuals.
Current and past clients for whom we have done work include:
Automotive
Ford Motor Company; Toyota Motor Sales USA, Inc.; Honda North America, Inc.; Chrysler LLC; Hyundai Motor America; Jaguar Land Rover North America, LLC; General Motors Corporation; Subaru of America, Incorporated; Fiat Auto U.S.A., Inc.; Isuzu Motors America, Inc.; Mazda Motor of America, Inc.; Nissan Motor Corporation in U.S.A.; General Tire Company; Michelin Tire; KIA Motors America, Inc.; Daimler Trucks North America LLC; Mercedes Benz; Yamaha Motor Corporation, U.S.A.
Aviation and Aerospace
British Airways PLC; The Boeing Company; Northwest Airlines; Precision Aerospace Corp.; British Airways; US Airways; Continental Airlines; Global Aerospace; Gulfstream Aerospace Corporation
Chemical
Monsanto Company; The Sherwin-Williams Company; Chemical Products Company, Inc.; Corning, Inc.; Dow Chemical Company; DSM Chemical Company; Wagner Spray Tech Corporation; CompositesOne LLC; Safety‑Kleen Corporation; Electrochem, Inc.; Solutia, Inc.
Construction
Komatsu Forklift U.S.A., Inc,; Lynn Ladder & Scaffolding Company; United States Scaffold & Ladder Association; Shore Scaffolding and Equipment Co.; The Stanley Works; Strato-Lift ; Falcon Tool Company; Bishop Ladder Company; LaFarge North America, Inc.
Consumer Products
Fisher-Price; Toshiba Information Systems; Rent-A-Centre; CompuServe; Control Systems, Inc.; Cooper Industries; Gillette Co.; Lofts Seed Inc.; LoJack; New England Office Supply Co., Inc.; The Raymond Corporation; Apple Computer; J.E. Seagram & Sons; Easton Bell Sports; The Gillette Company; International Business Machines
Energy/Utilities
Exxon Mobil; Amoco; PECO Energy Company; Townsend Oil Company; Eaton Corporation; Applied Power, Inc.; American Telephone and Telegraph Company
Heavy Equipment
Caterpillar Inc.; Fuji Heavy Industries, Ltd.; Fuqua Industries, Inc.; Georgia Pacific Corporation; Terex Corporation; Altec Industries, Inc.; CNH Global N.V.; Shin Caterpillar Mitsubishi Ltd.; International Paper Company; Hyundai Heavy Industries Company, Ltd.
Hospitality
Marriott International, Inc.
Industrial Machinery
Plant Equipment, Inc.; Welex Incorporated; Package Machinery Company; Johnson Controls, Inc.
Insurance
ACE USA Claims; Allianz Insurance Company; Chartis Insurance; Birmingham Fire Insurance Company of Penn; Chubb Group; CNA Insurance; Continental Insurance HealthCare; Crum and Forster Insurance Company; Erie Insurance Group; Essex Insurance Group; First Security Casualty Company; Harco National Insurance Company; Liberty Mutual Insurance Company; Metropolitan Life Insurance Company; Minnehoma Insurance Company; National Union Insurance; New England Development Company; Nissan Fire & Marine Insurance Company, Ltd.; Pennsylvania Lumbermans Insurance Company; Protective Insurance Company; Royal Insurance Company; TM Claims Service; Universal Bonding Company; United States Fidelity & Guaranty and US Trust; Electric Insurance Company; Energi Holdings; Lexington Insurance Company; Church Mutual Insurance Company; Intercare Insurance Services; Employers Mutual Casualty Company; Endurance U.S. Insurance Company; Sompo Japan Claims Services; Stonington Insurance Co., Inc.
Material Handling
Crown Equipment Corporation; Komatsu Forklift U.S.A., Inc.; Lynn Ladder & Scaffolding Company, Inc.; United States Scaffold & Ladder Association; Shore Scaffolding and Equipment Co., Inc.; The Stanley Works; Strato‑Lift, Inc.; Falcon Tool Company; Bishop Ladder Company; Inc.; Vulcan Materials Handling Corporation, The Raymond Corporation
Medical Devices
American Medical Systems Inc.; Quest Diagnostics Inc.; Universal Health Services Inc.; Otto Bock Orthopedic Industries, Inc.; Pharmacia Biotech, Inc.; Synthese
Nursing Homes/Elder Care
Care One, LLC
Pharmaceutical
Qualitest Pharmaceuticals; Vintage Pharmaceuticals; Johnson & Johnson; Pfizer Incorporated
Power and Hand Tools
Makita Corporation; Hitachi Koki Company, Ltd.; Snap‑on Tools Corporation; Genie Industries, Inc.; Snap-On Tools Corporation
Retail
Home Depot; Office Max; Walgreens; Christmas Tree Shops; New England Office Supply
Transportation
Fruehauf Trailer Corporation; Nissan Industrial Equipment Company; Navistar International; USX Corporation; Daimler Trucks North America LLC; Allied Waste Services of Massachusetts; Fed Ex Ground Package System, Inc.; Coca Cola Bottling Co. of New England; Dart Container Corporation; Anheuser-Busch, Inc.
Other current or past clients include:
AMF Bowling Centers, Inc.; Asplundh Tree Expert Company; Besam Inc.; Bil‑Jax, Inc.; Boy Scouts of America; Calavar Corporation; Case Corporation; E.D. Bullard Company; F. L. Smithe Company; Foremost Fabrications, Inc.; Harris Corporation; Kransco, Inc.; New United Motor Manufacturing, Inc.; Public Storage, Inc.; R.D. Werner Co., Inc.; The Raymond Corporation; Ricoh Corporation; Simon‑Telelect Company; Teco, Inc.; Tecumseh Products Company; Time Warner, Inc.; USX, Allen‑Bradley Company, Inc.
Current and past clients for whom we have done work include:
Automotive
Ford Motor Company; Toyota Motor Sales USA, Inc.; Honda North America, Inc.; Chrysler LLC; Hyundai Motor America; Jaguar Land Rover North America, LLC; General Motors Corporation; Subaru of America, Incorporated; Fiat Auto U.S.A., Inc.; Isuzu Motors America, Inc.; Mazda Motor of America, Inc.; Nissan Motor Corporation in U.S.A.; General Tire Company; Michelin Tire; KIA Motors America, Inc.; Daimler Trucks North America LLC; Mercedes Benz; Yamaha Motor Corporation, U.S.A.
Aviation and Aerospace
British Airways PLC; The Boeing Company; Northwest Airlines; Precision Aerospace Corp.; British Airways; US Airways; Continental Airlines; Global Aerospace; Gulfstream Aerospace Corporation
Chemical
Monsanto Company; The Sherwin-Williams Company; Chemical Products Company, Inc.; Corning, Inc.; Dow Chemical Company; DSM Chemical Company; Wagner Spray Tech Corporation; CompositesOne LLC; Safety‑Kleen Corporation; Electrochem, Inc.; Solutia, Inc.
Construction
Komatsu Forklift U.S.A., Inc,; Lynn Ladder & Scaffolding Company; United States Scaffold & Ladder Association; Shore Scaffolding and Equipment Co.; The Stanley Works; Strato-Lift ; Falcon Tool Company; Bishop Ladder Company; LaFarge North America, Inc.
Consumer Products
Fisher-Price; Toshiba Information Systems; Rent-A-Centre; CompuServe; Control Systems, Inc.; Cooper Industries; Gillette Co.; Lofts Seed Inc.; LoJack; New England Office Supply Co., Inc.; The Raymond Corporation; Apple Computer; J.E. Seagram & Sons; Easton Bell Sports; The Gillette Company; International Business Machines
Energy/Utilities
Exxon Mobil; Amoco; PECO Energy Company; Townsend Oil Company; Eaton Corporation; Applied Power, Inc.; American Telephone and Telegraph Company
Heavy Equipment
Caterpillar Inc.; Fuji Heavy Industries, Ltd.; Fuqua Industries, Inc.; Georgia Pacific Corporation; Terex Corporation; Altec Industries, Inc.; CNH Global N.V.; Shin Caterpillar Mitsubishi Ltd.; International Paper Company; Hyundai Heavy Industries Company, Ltd.
Hospitality
Marriott International, Inc.
Industrial Machinery
Plant Equipment, Inc.; Welex Incorporated; Package Machinery Company; Johnson Controls, Inc.
Insurance
ACE USA Claims; Allianz Insurance Company; Chartis Insurance; Birmingham Fire Insurance Company of Penn; Chubb Group; CNA Insurance; Continental Insurance HealthCare; Crum and Forster Insurance Company; Erie Insurance Group; Essex Insurance Group; First Security Casualty Company; Harco National Insurance Company; Liberty Mutual Insurance Company; Metropolitan Life Insurance Company; Minnehoma Insurance Company; National Union Insurance; New England Development Company; Nissan Fire & Marine Insurance Company, Ltd.; Pennsylvania Lumbermans Insurance Company; Protective Insurance Company; Royal Insurance Company; TM Claims Service; Universal Bonding Company; United States Fidelity & Guaranty and US Trust; Electric Insurance Company; Energi Holdings; Lexington Insurance Company; Church Mutual Insurance Company; Intercare Insurance Services; Employers Mutual Casualty Company; Endurance U.S. Insurance Company; Sompo Japan Claims Services; Stonington Insurance Co., Inc.
Material Handling
Crown Equipment Corporation; Komatsu Forklift U.S.A., Inc.; Lynn Ladder & Scaffolding Company, Inc.; United States Scaffold & Ladder Association; Shore Scaffolding and Equipment Co., Inc.; The Stanley Works; Strato‑Lift, Inc.; Falcon Tool Company; Bishop Ladder Company; Inc.; Vulcan Materials Handling Corporation, The Raymond Corporation
Medical Devices
American Medical Systems Inc.; Quest Diagnostics Inc.; Universal Health Services Inc.; Otto Bock Orthopedic Industries, Inc.; Pharmacia Biotech, Inc.; Synthese
Nursing Homes/Elder Care
Care One, LLC
Pharmaceutical
Qualitest Pharmaceuticals; Vintage Pharmaceuticals; Johnson & Johnson; Pfizer Incorporated
Power and Hand Tools
Makita Corporation; Hitachi Koki Company, Ltd.; Snap‑on Tools Corporation; Genie Industries, Inc.; Snap-On Tools Corporation
Retail
Home Depot; Office Max; Walgreens; Christmas Tree Shops; New England Office Supply
Transportation
Fruehauf Trailer Corporation; Nissan Industrial Equipment Company; Navistar International; USX Corporation; Daimler Trucks North America LLC; Allied Waste Services of Massachusetts; Fed Ex Ground Package System, Inc.; Coca Cola Bottling Co. of New England; Dart Container Corporation; Anheuser-Busch, Inc.
Other current or past clients include:
AMF Bowling Centers, Inc.; Asplundh Tree Expert Company; Besam Inc.; Bil‑Jax, Inc.; Boy Scouts of America; Calavar Corporation; Case Corporation; E.D. Bullard Company; F. L. Smithe Company; Foremost Fabrications, Inc.; Harris Corporation; Kransco, Inc.; New United Motor Manufacturing, Inc.; Public Storage, Inc.; R.D. Werner Co., Inc.; The Raymond Corporation; Ricoh Corporation; Simon‑Telelect Company; Teco, Inc.; Tecumseh Products Company; Time Warner, Inc.; USX, Allen‑Bradley Company, Inc.
Rankings
National Rankings
Tier 1
Tier 1 for Mass Tort Litigation / Class Actions - Defendants
Regional Rankings
Boston
Tier 1 for Mass Tort Litigation / Class Actions - Defendants
Tier 1 for Personal Injury Litigation - Defendants
Tier 1 for Product Liability Litigation - Defendants
Tier 3 for Criminal Defense: White-Collar
Philadelphia
Tier 1 for Personal Injury Litigation - Defendants
Tier 1 for Product Liability Litigation - Defendants
Tier 2 for Mass Tort Litigation / Class Actions - Defendants
Practice Areas
The below are areas of legal specialty volunteered by the firm and do not designate a specialty in which a Best Law Firms ranking is held.
- Appellate Practice
- Aviation Law
- Bet-the-Company Litigation
- Commercial Litigation
- Litigation - Construction
- Litigation - Environmental
- Litigation - Insurance
- Litigation - Labor and Employment
- Mass Tort Litigation / Class Actions - Defendants
- Medical Malpractice Law - Defendants
- Personal Injury Litigation - Defendants
- Product Liability Litigation - Defendants
- Professional Malpractice Law - Defendants
Individuals Recognized in The Best Lawyers in America®
Campbell Conroy & O'Neil, P.C. has 13 lawyers recognized for individual performance in the 2025 edition of The Best Lawyers in
America®.
By receiving this Best Lawyers recognition from their peers for their professional excellence, these lawyers made Campbell Conroy & O'Neil, P.C. eligible for evaluation for Best Law Firms rankings.
For almost two decades, Best Lawyers has awarded these singular accolades, making them the foundation of our Best Law Firms awards.
Read more about our Best Lawyers process here.
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Awards
Awards are self-reported by firms and are not verified by the Best Law Firms rankings.
- "Leading Individuals" in Chambers USA for Nationwide Product Liability & Mass Torts
- Legal 500 Top Tier Firm
- Chambers USA Leading Firm
Main Location
Boston,
MA
20 City Square, Suite 300
Boston, MA 02129
United States
617-241-3000
Call our Boston, MA location at 617-241-3000
Get Directions
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Office Locations
Hartford,
CT
100 Pearl Street, 14th Floor
Hartford, CT 06103-4506
United States
860-249-7262
Call our Hartford, CT location at 860-249-7262
Get Directions
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Fort Lauderdale,
FL
150 South Pine Island Road, Suite 300
Fort Lauderdale, FL 33324
United States
954-998-1855
Call our Fort Lauderdale, FL location at 954-998-1855
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Portland,
ME
477 Congress Street, Fifth Floor
Portland, ME 04101
United States
207-780-1190
Call our Portland, ME location at 207-780-1190
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Bedford,
NH
Three Executive Park Drive, Suite 201
Bedford, NH 03110
United States
603-472-5009
Call our Bedford, NH location at 603-472-5009
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Mount Laurel,
NJ
Atrium Executive Suites & Conference Center, Suite 200
3000 Atrium Way
Mount Laurel, NJ 08054-3927
United States
856-727-7247
Call our Mount Laurel, NJ location at 856-727-7247
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Berwyn,
PA
1205 Westlakes Drive, Suite 330
Berwyn, PA 19312
United States
610-964-1900
Call our Berwyn, PA location at 610-964-1900
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Philadelphia,
PA
100 N. 18th Street Suite 300
Philadelphia, PA 19103
United States
215-564-0160
Call our Philadelphia, PA location at 215-564-0160
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Providence,
RI
10 Dorrance Street, Suite 700
Providence, RI 02903
United States
401-519-3654
Call our Providence, RI location at 401-519-3654
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Management and Personnel
Member and President
James M. Campbell
Member
William J. Conroy