Seamus C. Duffy
About Seamus C. Duffy
Seamus C. Duffy is a lawyer based in Valley Forge, PA and has been recognized in The Best Lawyers in America® since 2006. Seamus C. Duffy is recognized in the following practice area:
- Valley Forge, Pennsylvania
- Commercial Litigation
Current Firm: Seamus Duffy Mediation Services LLC
Education: Villanova University, J.D., graduated 1987
Location: Valley Forge, PA
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
Casey Green is licensed to practice law in the Commonwealth of Pennsylvania and the State of New Jersey. He is also admitted to practice in various federal courts, including the District of New Jersey, the Eastern District of Pennsylvania, the Middle District of Pennsylvania, and the Third Circuit. Mr. Green holds a "Superb" 10.0 rating through Avvo and an AV Preeminent rating through Martindale-Hubbell. He has been awarded Pro Bono Roll of Honor for the First Judicial District of Pennsylvani...
Nancy B. G. Lassen is a partner in the Philadelphia office of Willig, Williams & Davidson. Nan has focused her practice on labor law at WWD since 1984. Nan grew up in Detroit, MI in a family with strong ties to labor. Her father (a disabled veteran) was a Teamster. Her mother was a UAW member. And her grandfather was a Steelworker. Nan herself has been a tireless and courageous advocate for working men and women for decades. Working in industry since age 15, including on a Chrysler assemb...
Jenna L. King is a top attorney recognized by Best Lawyers in the practice area(s) of Workers' Compensation Law - Claimants. Jenna L., who practices law in Philadelphia, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jenna L. is held by other top lawyers in the same geographic and legal practice area.
Whether in the courtroom or the community, Stewart L. Cohen has worked relentlessly as an advocate on behalf of his clients for over thirty years. Mr. Cohen has achieved seven-figure and higher recoveries for scores of his clients over the course of his career. Mr. Cohen is a shareholder in the firm, focusing his practice on complex civil litigation, including medical malpractice, workplace accidents and class actions. His skill as a trial lawyer has resulted in a long record of successes inc...
Lauren Hoye is a top attorney recognized by Best Lawyers in the practice area(s) of Labor Law - Union. Lauren, who practices law in Philadelphia, Pennsylvania, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lauren is held by other top lawyers in the same geographic and legal practice area.
Annually ranked as one of the Top 10 lawyers in Pennsylvania in the SuperLawyers voting, Tim Lawn is recognized as one of the leading trial attorneys in the state. He has spent more than 30 years litigating complex injury and death cases throughout the Commonwealth. Tim was selected as the “Lawyer of the Year” for Personal Injury Litigation in Philadelphia by U.S. News & World Report’s publication Best Lawyers in America in 2021. He has secured numerous multimillion-doll...
Cheryl A. Upham is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Cheryl A., who practices law in Philadelphia, Pennsylvania, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cheryl A. is held by other top lawyers in the same geographic and legal practice area.
Christopher Schubert brings more than 26 years of experience in real estate, land use, and business law. He represents leading telecommunications companies, wireless carriers, and tower operators in complex zoning and leasing matters, while also advising developers, landowners, and commercial clients throughout Pennsylvania, New Jersey, Delaware, and Maryland. Chris provides practical, strategic guidance on zoning, subdivision, land development, leasing, real estate transactions, and condemna...
Greg Mast specializes in complex insurance coverage and business litigation for domestic and international insurers. Having spent time as both a law clerk and in-house counsel, Greg has earned a reputation as a respected advocate inside and outside of the courtroom. In addition to his nationwide practice, Greg also heads up Fields Howell’s Philadelphia office. As a foundation for his legal practice, Greg spent two years working in the U.S. House of Representatives, where his legislative...
Jason M. Shargel joined the firm’s Philadelphia office in March 2009 as a member in the Business Law Department. Jason practices in the firm's Corporate Law Practice Group, and has more than 30 years of experience in the private practice of corporate and securities law. Having begun his career in the SEC's Enforcement Division, his practice includes mergers and acquisitions, as well as the representation of issuers and funds in venture capital, growth capital and other private equity fi...
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?
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
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.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
Can You File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.
Anthropic Class Action a Warning Shot for AI Industry
by Bryan Driscoll
The signal is clear: Courts, not Congress, are writing the first rules of AI.