John F. Deasy
About John F. Deasy
John F. Deasy is a lawyer based in Pittsburgh, PA and has been recognized in The Best Lawyers in America® since 2025. John F. Deasy is recognized in the following practice areas:
- Pittsburgh, Pennsylvania
- Personal Injury Litigation - Defendants
- Product Liability Litigation - Defendants
Current Firm: Marshall Dennehey PC
Education: University of Pittsburgh, J.D., graduated 1991
Location: Pittsburgh, PA
Nearby Lawyers
Gary’s practice consists primarily of federal and state court litigation , arbitrations, and other alternative dispute resolution proceedings. Much of his practice involves multi-party claims, including class action litigation. Gary has represented both individual and corporate clients in many different types of litigation and has an active mediation and arbitration practice. Gary has been lead counsel in complex litigation involving: Officers and directors liability Corporate disputes ...
Jay Alberstadt is a senior partner with MacDonald Illig. He concentrates his practice in the areas of real estate, commercial and economic development, conventional and tax-exempt financing, and estate planning and administration. He provides legal services to individuals, business entities, lending institutions, municipal authorities and development agencies. Mr. Alberstadt handles matters ranging from residential real estate transactions to detailed title and development issues. He also pro...
Emily Mahler is a partner in Margolis Edelstein’s Employment and Labor Law Group. She represents employers in labor and employment litigation, including claims involving discrimination, harassment, retaliation, wrongful discharge, breach of contract and wage disputes. Emily represents corporations, small businesses, nonprofit organizations and public entities. She appears regularly in federal and state courts throughout Pennsylvania and New Jersey, as well as before the U.S. Equal Emplo...
R. Henry Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Mining Law and Natural Resources Law. R. Henry, who practices law in Pittsburgh, Pennsylvania, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. Henry is held by other top lawyers in the same geographic and legal practice area.
Gary’s practice is focused in the estates and trusts field, frequently establishing guardianships for his clients; as well as municipal law and litigation . His practice involves legal issues relating to geriatrics and mental health. Gary receives referrals from social workers at numerous hospitals and nursing care facilities relating to guardianships, powers of attorney, estate planning, and medical assistance (Medicaid) qualification. He is a frequent speaker at seminars for patients&...
Roger H. Taft is a trial lawyer at MacDonald Illig whose primary areas of practice are employment litigation, including employment discrimination and wrongful discharge cases, and complex commercial litigation. In his litigation practice, Mr. Taft represents clients in federal and state courts throughout Pennsylvania, New York, and Ohio, as well as in federal courts throughout the United States. Mr. Taft enjoys travel, golf, and Harley-Davidson motorcycles.
Area of Emphasis Sean Keegan is senior counsel in the Litigation and Employment and Labor groups of Babst Calland. Mr. Keegan has a broad range of litigation experience in several practice areas including commercial, labor and employment, energy, and maritime. He has experience defending shareholder dispute claims, oil and gas lease disputes, insurance claims, and premises liability claims. Mr. Keegan has represented clients in both state and federal courts throughout the United States. Backg...
Thomas S. Jones is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Thomas S., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas S. is held by other top lawyers in the same geographic and legal practice area.
Thomas H. May is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. Thomas H., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas H. is held by other top lawyers in the same geographic and legal practice area.
Eric A. Schaffer is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Eric A., who practices law in Pittsburgh, Pennsylvania, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eric A. 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.
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
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.
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
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.