• U.S. News
  • Lawyers »
  • Legal Topics
  • Legal Advice
  • Find a Lawyer
  • For Lawyers
  • FAQ
  • Best Law Firms
  • Lawyers
  • Legal Topics
  • Find a Lawyer
  • Find Legal Advice
  • For Lawyers
  • FAQ
  • Login

  • More from U.S. News
  • News & Opinion
    • BACK
    • News & Opinion
    • News
    • Opinion
    • Photos
    • Best Countries
    • Best States
    • The Report
  • Education
    • BACK
    • Education
    • Higher Education
      • Rankings
      • Colleges
      • Grad Schools
      • Online Programs
      • Global
      • Advice
    • High Schools
      • Rankings
      • Advice
  • Health
    • BACK
    • Health
    • Wellness
      • Best Diets
      • Food
      • Fitness
      • Family
      • Mind
      • Aging
      • Health Living
    • Healthcare
      • Doctors
      • Hospitals
    • Senior Care
  • Money
    • BACK
    • Money
    • Careers
      • Best Jobs
      • Applying
      • Interviewing
      • Salaries & Benefits
      • Work Culture
    • Investing
      • Rankings
      • Stocks
      • Mutual Funds
      • ETFs
      • Financial Advisors
      • 529s
      • Advice
    • Personal Finance
    • Real Estate
      • Places
      • Agents
      • Advice
    • Retirement
  • Travel
    • BACK
    • Travel
      • Vacations
      • Hotels
      • Cruises
      • Rewards
      • Advice
  • Cars
    • BACK
    • Cars
      • Rankings
      • New
      • Used
      • Financing
      • Advice
  • Law Firms
    • BACK
    • Law Firms
      • Law Firms
      • Practice Areas
  • Real Estate
  • Contact
  • Employment
  • Advertising
  • Terms & Conditions / Privacy Policy
  • Home
  • Lawyers

Daniel E. "Dan" Rosenfeld

Recognized by Best Lawyers® since 2012.
One Post Office Square Boston, Massachusetts 02109
(617) 338-2800
 | 
Firm: Sullivan & Worcester LLP
 |  Website
 
Edit Profile
  • Overview
  • Services
  • Contact
  • Client Reviews & Commendations
  • More ▾
  • Overview
  • Services
  • Contact
  • Client Reviews & Commendations
Edit Your Profile
To edit your Lawyer Directory information, please login to your
Best Lawyers® Admin Account.
If you have any questions or need assistance, please contact us at info@bestlawyers.com or 803.648.0300.
Overview
Firm

Sullivan & Worcester LLP


Years In Practice


Phone Number (617) 338-2800

Dan is a trial lawyer with a focus on complex business disputes in state and federal courts and in domestic and international arbitration. He has represented clients in a wide range of business related lawsuits involving breach of contract, breach of fiduciary duty, business torts, product liability, professional liability, employment matters, insurance disputes, intellectual property disputes, securities fraud, consumer protection litigation and class actions, corporate governance disputes, non-competition and nondisclosure matters. He has tried numerous cases to verdict, decision, or award in court and arbitration.Dan has extensive experience in a variety of areas including product liability and mass torts, antitrust and unfair competition, securities and derivative suits, insurance coverage, employment and labor law disputes, intellectual property and bankruptcy.

Prominent technology companies, pharmaceutical and biotechnology companies, financial services institutions, private equity and venture capital companies, and other business concerns have been among his clients.

Dan has extensive experience trying cases in a variety of federal and state courts and has served as lead trial counsel in federal courts in Connecticut, Delaware, Illinois, Massachusetts, Pennsylvania and New York, and in state courts in Massachusetts, New York and Rhode Island. He has litigated appeals in the Massachusetts Appeals Court and the United States Courts of Appeals for the First, Third and Seventh Circuits.

Dan's product liability experience has included defense of personal injury/wrongful death claims involving various products, including industrial machinery and equipment, medical devices and consumer products, and he has regularly counseled clients on product liability, warranty, consumer fraud and recall matters. With respect to toxic tort and mass torts, he has acted as national counsel in multidistrict litigation. His toxic tort experience has involved the representation of defendants in environmental, asbestos, silica and lead pigment matters. He has served as national coordinating counsel for a petroleum company in multi-district mass tort litigation. His antitrust, unfair competition and class action defense work has included the representation of public companies, directors and officers in numerous class action contexts in federal and state courts, including the coordination of multi-jurisdictional litigation and internal investigations.

Dan has litigated numerous labor and employment issues in state and federal courts and at the Equal Employment Opportunity Commission and the Massachusetts Commission Against Discrimination. He has been extensively involved in arbitrations, mediations and internal investigations. His intellectual property experience includes successful trials in patent, copyright, trademark litigation and misappropriation of trade secret cases.

What legal services does this lawyer offer?
Mass Tort Litigation / Class Actions - Defendants
Contact Details and Office Locations
Office: (617) 338-2800
One Post Office Square
Boston, Massachusetts 02109
Boston, Massachusetts 02109
See Location
Address for Daniel E. Rosenfeld
Client Reviews & Commendations

Get Legal Advice

What To Do When Someone Dies at Home

Juvenile Court Proceedings: How It Differs from Adult Court

Legality and Usage of Asbestos in the U.S.

Obtaining a Patent: Everything You Need To Know

How To Write a Will

Can I Sue an Airline for Mistreatment?

Write a Client Review
{{ error.Text }}
Your client review was submitted successfully!
We've encountered an error while submitting your client review. Please try again later.
This comment will be sent to the attorney for review prior to publishing.
Disclaimer and a note about Find a Lawyer and Legal Advice »

SEARCH BY STATE

▼
  • Alabama
  • Alaska
  • Arizona
  • Arkansas
  • California
  • Colorado
  • Connecticut
  • Delaware
  • District of Columbia
  • Florida
  • Georgia
  • Hawaii
  • Idaho
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Louisiana
  • Maine
  • Maryland
  • Massachusetts
  • Michigan
  • Minnesota
  • Mississippi
  • Missouri
  • Montana
  • Nebraska
  • Nevada
  • New Hampshire
  • New Jersey
  • New Mexico
  • New York
  • North Carolina
  • North Dakota
  • Ohio
  • Oklahoma
  • Oregon
  • Pennsylvania
  • Rhode Island
  • South Carolina
  • South Dakota
  • Tennessee
  • Texas
  • Utah
  • Vermont
  • Virginia
  • Washington
  • West Virginia
  • Wisconsin
  • Wyoming
U.S. News
  • About U.S. NewsAbout
  • Contact
  • Best Lawyers
  • Press
  • Advertise
  • Jobs
  • Copyright 2023 © U.S. News & World Report L.P.
  • Terms & Conditions / Privacy Policy
Login
Forgot your password?
*If you are having any difficulty accessing your account, please contact us at info@lawyerregister.com.
Premium Profiles
Expand Your Presence
Access Exclusive Tools
And Much More...
Learn More
*If you are having any difficulty accessing your account, please contact us at info@lawyerregister.com.
https://www.bestlawyers.com Best Lawyers Best Lawyers +1-803-648-0300
801 Broad Street, Suite 950 Augusta, GA 30901
  • https://twitter.com/bestlawyers
  • https://www.linkedin.com/company/137775
  • https://www.facebook.com/bestlawyersllc