Atty. 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
Profile Summary
About John Parker Sweeney at a glance
John Parker Sweeney is a class action and product liability attorney based in Washington, District of Columbia, practicing at Bradley Arant Boult Cummings LLP. Admitted to practice in District of Columbia, The District of Columbia Bar, New York, New York State Bar Association, and Maryland, Maryland State Bar Association. Educated at American University Washington College of Law (J.D., 1975) and Ohio Wesleyan University (B.A., 1972). Recognitions include Best Lawyers in America — Mass Tort Litigation / Class Actions - Defendants (2026), Best Lawyers in America — Product Liability Litigation - Defendants (2026), and Best Lawyers in America — Additional Areas of Practice: (2026). Serands clients in Washington, DC and the surrounding metropolitan area.
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About
- 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
Practice Areas Explained
John Parker Sweeney's Areas of Practice
Each practice area below reflects the types of cases John Parker Sweeney handles, with a brief overview of what that area of law covers.
John Parker Sweeney is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in District of Columbia →
John Parker Sweeney is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in District of Columbia →
Jurisdictional Context
Why local counsel matters in District of Columbia
Practicing law in District of Columbia. Legal matters in District of Columbia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Washington are typically filed in the local municipal court or the appropriate District of Columbia state district court, depending on subject matter and amount in controversy. An attorney licensed in District of Columbia brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in District of Columbia courts without local counsel or pro hac vice admission.
Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.
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