John Parker Sweeney
Washington, DC
Trusted class action attorney serving Washington.
- 3
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John Parker Sweeney is an attorney based in Washington, DISTRICT OF COLUMBIA. The practice focuses on Class Action and Product Liability.
- Based in
- Washington, DISTRICT OF COLUMBIA
- Experience
- attorney
- Known for
- Class Action · Product Liability
- Handles Class Action and Product Liability matters from Washington, DISTRICT OF COLUMBIA.
- Recognized with Lawyer of the Year — Mass Tort Litigation / Class Actions - Defendants, Washington (D.C.) (2021).
About John Parker Sweeney: John Parker Sweeney is an attorney based in Washington, DISTRICT OF COLUMBIA. The practice focuses on Class Action and Product Liability.
Areas of practice
Practice focus
John Parker Sweeney represents clients in Washington, District of Columbia across the following areas of law. Each area links to other verified attorneys with the same focus.
Biography
About John Parker Sweeney
John Parker Sweeney has more than 30 years of experience defending major class action and mass torts involving product liability and warranty, consumer protection, environmental, and toxic tort cases, allowing him to tailor an appropriate litigation response for any company to resolve "bet-the-company" risks. He regularly serves as national litigation counsel, creating and supervising comprehensive defense strategies in class action and mass tort cases across the country, most recently sweeping the board clean of a series of warranty class actions against an international construction product manufacturer.
John’s effectiveness and national prominence as a defense lawyer for business in class action and mass torts was recognized by his peers when he was elected as 2014-2015 president of DRI—The Voice of the Defense Bar, a 22,000-member association of defense lawyers.
John relies on his relationships with internationally renowned scientific, technical, and medical experts, as well as his thorough understanding of the rules and procedures governing expert testimony in both Daubert and Frye jurisdictions to protect his clients from scientifically unfounded claims and unqualified plaintiffs' experts. His success at securing precedent-setting decisions excluding junk science from the courtroom in "sick building" claims typifies his effectiveness.
Credentials
Education
American University Washington College of Law
J.D. · 1975
Ohio Wesleyan University
B.A. · 1972
Jurisdictions
Bar admissions
District of Columbia
ACTIVE
New York, New York S
ACTIVE
Maryland, Maryland S
ACTIVE
Recognition
Awards & honors
Lawyer of the Year — Mass Tort Litigation / Class Actions - Defendants, Washington (D.C.)
2021
Best Lawyers in America — Mass Tort Litigation / Class Actions - Defendants
2026
Best Lawyers in America — Product Liability Litigation - Defendants
2026
Best Lawyers in America — Additional Areas of Practice:
2026
Best Lawyers in America — Civil Rights Law
2026
Best Lawyers in America — Mass Tort Litigation
2026
Best Lawyers in America — Product Liability Litigation
2026
Locations
Office locations
Client feedback
Client reviews
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Schedule your consultationFrequently asked
Common questions
What areas of law does John Parker Sweeney practice?
John Parker Sweeney focuses on Class Action and Product Liability.
Where is John Parker Sweeney located?
John Parker Sweeney primarily serves clients in Washington, District of Columbia, with an office at 1900 K Street, NW.
Is John Parker Sweeney a verified attorney?
John Parker Sweeney's profile is listed but has not yet been claimed by the attorney. Verification status is pending.
How can I schedule a consultation with John Parker Sweeney?
You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 202-393-7150.
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