John W. Nields, Jr.
About John W. Nields, Jr.
John W. Nields, Jr. is a lawyer based in Washington, DC and has been recognized in The Best Lawyers in America® since 2003. John W. Nields, Jr. is recognized in the following practice areas:
- Washington, District of Columbia
- Appellate Practice
- Criminal Defense: White-Collar
Current Firm: Covington & Burling LLP
Education: University of Pennsylvania, J.D., graduated 1980
Location: Washington, DC
Nearby Lawyers
Daniel P. Hodin is a member of the firm’s Real Estate , Financial Services and Commercial Transactions practice groups. He has over 25 years of experience in commercial and residential real estate and loan transactions, including acquiring, financing, developing, owning, leasing, managing and selling real estate. He has represented local, national and international real estate developers, builders and syndicators, owners, and office and retail tenants in conjunction with prominent real ...
Tania Klam is a cum laude graduate of George Mason University (B.A. in Government and International Politics with a minor in Legal Studies) and a graduate of the Penn State Dickinson School of Law (J.D. 2009). She is admitted to practice in Virginia, District of Columbia, New York, and Florida. She is fluent in Arabic and focuses her practice on Family Law. Ms. Klam began her legal career as a prosecutor in Brooklyn, New York where she served as an Assistant District Attorney. While there, sh...
Allyson Mullen provides counsel to medical device and in vitro diagnostic (IVD) manufacturers. Ms. Mullen assists clients with a wide range of pre and postmarket regulatory topics including developing regulatory strategy, preparing regulatory submissions, drafting regulatory policies and procedures, reviewing advertising and promotional materials, and addressing enforcement matters. In the premarket area, Ms. Mullen develops regulatory strategy, including obtaining breakthrough device designa...
Marc R. Engel is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Marc R., who practices law in Bethesda, Maryland, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc R. is held by other top lawyers in the same geographic and legal practice area.
Alyson J. Guyan is a principal in the Washington, D.C. Region office of Jackson Lewis P.C. She represents corporations and other entities in a wide variety of employment, discrimination, harassment, and wage and hour matters. Aly advises and represents employers in a broad range of employment law matters arising under federal and state law, including claims based on the Fair Labor Standards Act, Title VII of the Civil Rights Act, the Family and Medical Leave Act, and the Americans with Disabi...
Don Sperling’s extensive experience handling issues related to businesses, from start-ups to fully matured companies, enables him to evaluate clients’ legal and business concerns and opportunities from multiple angles. He adeptly guides them through short- and long-term considerations for their businesses, whether in the context of a potential merger or acquisition, key hire, a real estate transaction, an employment issue, a business strategic planning consideration or a litigatio...
Brian Burgess is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. Brian, who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian is held by other top lawyers in the same geographic and legal practice area.
Kristen Kugel is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Kristen, who practices law in Fairfax, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristen is held by other top lawyers in the same geographic and legal practice area.
Steve Levey is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Real Estate Law. Steve, who practices law in Potomac, Maryland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steve is held by other top lawyers in the same geographic and legal practice area.
Marc S. Martin is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Marc S., who practices law in Washington, District of Columbia, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc S. is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer