J. Preston "J.P." Long Ph.D.
About J. Preston Long Ph.D.
J. Preston Long Ph.D. is a lawyer based in Washington, DC and has been recognized in Best Lawyers: Ones to Watch® in America since 2026. J. Preston Long Ph.D. is recognized in the following practice areas:
- Washington, District of Columbia
- Litigation - Patent
- Patent Law
Current Firm: Finnegan, Henderson, Farabow, Garrett & Dunner LLP
Education: Duke University, J.D., graduated 2012
Location: Washington, DC
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Peter Pfohl is a partner at Slover & Loftus LLP specializing in transportation, energy, administrative law, and legislative matters. He has been with the firm since 1997, and has represented a wide variety of clients, including railroad consumers, trade associations, state and local entities, and short-line and regional railroads. Mr. Pfohl actively participates in administrative adjudications, rulemakings, and hearings, in court litigation and appeals, and in the legislative arena.
Alan Kabat is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Alan, who practices law in Washington, District of Columbia, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alan is held by other top lawyers in the same geographic and legal practice area.
Douglas B. Farquhar has more than 30 years of experience as a prosecutor and defense and regulatory attorney. Since joining the firm in 1997, he has advised pharmaceutical and medical device manufacturers and wholesalers, compounding pharmacies, and individuals on a wide range of enforcement activities, including consent decrees, criminal investigations, debarment issues, arbitration proceedings, civil seizures, FDA inspection issues, and injunctions. Mr. Farquhar has a broad-based understand...
Paul Smollar has been practicing family law for more than forty years, and has become a leader in Collaborative Practice in the Washington Metropolitan Area. Recognized as the only trained mediator in the District of Columbia by the American Academy of Matrimonial Lawyers, Mr. Smollar nevertheless is an accomplished litigator when matters do not settle. Mr. Smollar practices in both the District of Columbia and Virginia and is an active member of the Fairfax County Bar, the Virginia Trial Law...
Lauri E. Cleary is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation, Criminal Defense: White-Collar, Employment Law - Management, Litigation - Insurance and Litigation - Labor and Employment. Lauri E., 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 Lauri E. is held by other top lawyers in the same geographic ...
Stephanie J. Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Stephanie J., who practices law in Fairfax, Virginia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephanie J. is held by other top lawyers in the same geographic and legal practice area.
Stephen M. Seeger is a litigation partner specializing in construction and government contracts law. He has successfully tried dozens of complex cases in the state and federal courts of the District of Columbia, Maryland and Virginia, as well as arbitral panels, administrative boards and boards of contract appeals. With that perspective, he counsels clients on litigation avoidance and opportunity optimization. Steve is intimately familiar with the standard form commercial construction contrac...
Benjamin Kinder is a top attorney recognized by Best Lawyers in the practice area(s) of Nonprofit / Charities Law. Benjamin, who practices law in Reston, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Benjamin is held by other top lawyers in the same geographic and legal practice area.
David J. Levine has more than 35 years of experience practicing international trade law. He counsels clients on import relief, customs, export controls, trade sanctions, anti-boycott, national security reviews of foreign investments and related trade laws and procedures. David advises and represents clients in antidumping and countervailing duty proceedings, trade controls and customs proceedings, national security (CFIUS) reviews of foreign investment in the US, trade compliance diligence in...
David Brown is co-chair of the firm’s corporate practice area, which includes its corporate, energy, finance, health care, real estate and public policy groups, and a partner in the Financial Services & Products Group, which he previously led. His practice focuses on mergers and acquisitions, corporate governance, securities disclosure, and payment system and other technology transactions, with an emphasis on the financial services, technology and telecommunications industries. Davi...
Explore and Learn
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
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.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
What Is the Difference Between a Will and a Living Trust?
by Bryan Driscoll
A practical guide to wills, living trusts and how to choose the right plan for your estate.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
The 2026 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
The region’s most highly regarded lawyers.