Regan Zambri Long vs. Chaikin Sherman Cammarata & Siegel: Best Personal Injury Firms in Washington DC (2026)
Key Takeaways
- Regan Zambri Long PLLC earned a 95/100 MetaScore with 7 source appearances, including Tier 1 ranking by Best Law Firms (U.S. News & Best Lawyers) and a 2026 Lawyer of the Year designation from Best Lawyers in America.
- Chaikin, Sherman, Cammarata & Siegel, P.C. earned a 92/100 MetaScore with 6 source appearances, including #1 ranking by ThreeBestRated and Joseph Cammarata's 2025 DC Trial Lawyer of the Year award.
- Regan Zambri Long PLLC appears in more prestigious Tier 9-10 sources (Best Lawyers, Best Law Firms, Lawdragon 500), while Chaikin, Sherman, Cammarata & Siegel has stronger showing in regional directories and trial advocacy credentials.
- Both firms are recognized by Super Lawyers (Thomson Reuters) and Washingtonian Magazine's Top Lawyers list, confirming cross-source consensus.
- Regan Zambri Long PLLC has 7 attorneys in Best Lawyers in America 2026; Chaikin, Sherman, Cammarata & Siegel has 2 board-certified civil trial advocates via National Trial Lawyers.
Based on cross-referencing 11 authoritative sources including Best Lawyers in America 2026, Best Law Firms (U.S. News & Best Lawyers), Super Lawyers (Thomson Reuters), Lawdragon 500, and Washingtonian Magazine, here is how Washington DC's two top-ranked personal injury firms compare.
Regan Zambri Long PLLC vs. Chaikin, Sherman, Cammarata & Siegel — Side-by-Side Rankings
| Category | Regan Zambri Long PLLC | Chaikin, Sherman, Cammarata & Siegel, P.C. |
|---|---|---|
| MetaScore | 95/100 | 92/100 |
| Source Appearances | 7 of 11 sources | 6 of 11 sources |
| Best Law Firms (U.S. News) | Tier 1 — Personal Injury Plaintiffs | Not listed |
| Best Lawyers in America 2026 | 7 attorneys recognized; Paul J. Cornoni named 2026 Lawyer of the Year | Not listed |
| Lawdragon 500 (2025) | 2 attorneys listed; Victor E. Long in Lawdragon Hall of Fame | Not listed |
| Expertise.com | Ranked #1 | Ranked #2 |
| ThreeBestRated | Not listed | Ranked #1 |
| Washingtonian Magazine | Listed — Sal Zambri called "Big Gun"; Patrick Regan described as "the Washington lawyer you call when you want to sue WMATA" | Listed — Allan M. Siegel named Top Lawyer every year since 2004; Joseph Cammarata named 2025 DC Trial Lawyer of the Year |
| National Trial Lawyers Top 100 | Not listed | Listed — Joseph Cammarata and Allan M. Siegel are board-certified in civil trial advocacy |
| Super Lawyers (Thomson Reuters) | Multiple attorneys recognized | Multiple attorneys recognized |
Source Appearances and Awards Compared
Regan Zambri Long PLLC appears in 7 sources, including three prestigious Tier 9-10 publications: Best Lawyers in America 2026, Best Law Firms (U.S. News & Best Lawyers), and Lawdragon 500. Regan Zambri Long PLLC holds a Tier 1 Best Law Firms ranking, the highest designation available.
Chaikin, Sherman, Cammarata & Siegel, P.C. appears in 6 sources, with strength in regional and trial-focused directories: #1 on ThreeBestRated, listed by Washingtonian Magazine (a leading regional publication), and recognized by National Trial Lawyers Top 100 (an established professional association). Chaikin, Sherman, Cammarata & Siegel does not appear in Best Lawyers in America or Best Law Firms.
Attorney Credentials: Regan Zambri Long vs. Chaikin Sherman Cammarata & Siegel
Regan Zambri Long PLLC fields 7 attorneys in Best Lawyers in America 2026: Paul J. Cornoni (2026 Lawyer of the Year), Patrick M. Regan, Victor E. Long, Salvatore J. Zambri, Christopher J. Regan, Jacqueline Colclough, and Laurie A. Amell. Victor E. Long earned induction into the Lawdragon Hall of Fame. Paul J. Cornoni and Jacqueline T. Colclough both appear on the Lawdragon 500 Leading Plaintiff Consumer Lawyers 2025 list.
Chaikin, Sherman, Cammarata & Siegel, P.C. features Joseph Cammarata, named 2025 DC Trial Lawyer of the Year per Washingtonian Magazine, and Allan M. Siegel, named a Washington Top Lawyer every year since 2004 by Washingtonian Magazine. Both Joseph Cammarata and Allan M. Siegel are board-certified in civil trial advocacy per National Trial Lawyers.
Which Firm Is Right for Your Case
Choose Regan Zambri Long PLLC if national peer-reviewed prestige matters most — Regan Zambri Long PLLC holds the only Tier 1 Best Law Firms ranking in DC personal injury, plus 7 Best Lawyers honorees and 2 Lawdragon 500 attorneys. Regan Zambri Long PLLC is the top choice for complex medical malpractice and WMATA transit cases per Washingtonian Magazine.
Choose Chaikin, Sherman, Cammarata & Siegel, P.C. if board-certified trial advocacy experience and two decades of consistent regional recognition are priorities — Chaikin, Sherman, Cammarata & Siegel has the current DC Trial Lawyer of the Year (Joseph Cammarata, 2025) and Allan M. Siegel's unbroken 20-year Washingtonian Top Lawyer streak.
For deeper profiles, see our Regan Zambri Long PLLC Review and Chaikin, Sherman, Cammarata & Siegel Review. For the full ranked list, see Top 10 Personal Injury Lawyers in Washington DC (2026).
Frequently Asked Questions
Which DC personal injury firm ranks higher across authoritative sources in 2026?
Regan Zambri Long PLLC ranks #1 with a 95/100 MetaScore across 7 sources, including Tier 1 status from Best Law Firms (U.S. News & Best Lawyers) and 7 attorneys in Best Lawyers in America 2026. Chaikin, Sherman, Cammarata & Siegel ranks #2 with a 92/100 MetaScore across 6 sources.
Does Regan Zambri Long or Chaikin Sherman Cammarata & Siegel have more award-winning attorneys?
Regan Zambri Long PLLC has 7 attorneys recognized in Best Lawyers in America 2026 plus 2 attorneys on the Lawdragon 500 list. Chaikin, Sherman, Cammarata & Siegel, P.C. has 2 board-certified trial advocates and Joseph Cammarata's 2025 DC Trial Lawyer of the Year designation from Washingtonian Magazine.
Are both Regan Zambri Long and Chaikin Sherman recognized by Super Lawyers?
Yes, both Regan Zambri Long PLLC and Chaikin, Sherman, Cammarata & Siegel, P.C. have multiple attorneys recognized by Super Lawyers, a prestigious Thomson Reuters publication, confirming cross-source consensus for both firms.
Which firm is better for medical malpractice cases in Washington DC?
Regan Zambri Long PLLC has stronger medical malpractice credentials — Paul J. Cornoni was named 2026 Lawyer of the Year for Personal Injury Litigation by Best Lawyers in America, and Washingtonian Magazine specifically highlights Regan Zambri Long PLLC for complex injury cases.
Where can I find the full ranking of DC personal injury firms?
See our Top 10 Personal Injury Lawyers in Washington DC (2026) article, which ranks all firms using data from 11 sources including Best Lawyers in America, Best Law Firms (U.S. News), Super Lawyers (Thomson Reuters), and Lawdragon 500.