Obermayer is a full-service law firm with headquarters in Philadelphia, Pennsylvania. We also have offices throughout Pennsylvania, New Jersey, and Delaware. With our local roots and global reach with Ally Law, we advise national and international clients whose business interests take them around the globe

Founded in 1904, we have a longstanding history of respected work and obtaining effective results for our clients. We are committed to delivering legal counsel with the highest efficiency, cost-effectiveness, quality service and integrity.

Our success is measured by how well we help our clients achieve their goals. In this vein, we have been honored to have our firm and our attorneys recognized repeatedly for outstanding work. Each year, Obermayer attorneys are included in lists such as Super Lawyers®, Rising Stars, Awesome Attorneys and U.S. News-Best Lawyers®. Most recently, Obermayer was rated by Martindale-Hubbell® as a Top-Rated Law Firm in the United States for having more than one out of every three attorneys achieve an AV Preeminent Rating.

Our attorneys provide comprehensive legal services to a diverse client base, including private and public businesses, healthcare providers, charitable and nonprofit organizations, educational institutions, government entities and municipalities, financial services companies and insurers, public utilities, fiduciaries and individuals.

Our attorneys work cooperatively in all practice areas, including the following:

Business and finance

  • Banking
  • Bankruptcy & Business Reorganizations
  • Environmental
  • Family law, trusts and estates
  • Government Contracts
  • Government relations
  • Healthcare
  • Immigration
  • Intellectual property
  • International
  • Labor relations, employment law and immigration
  • Lender Liability and Workouts
  • Commercial Litigation and appellate practice
  • Municipal Services
  • Product liability and toxic tort litigation
  • Professional liability and malpractice
  • Public Finance
  • Real estate and construction
  • Tax


Founded: 1904
Member since: 2006
Lawyers: 116

Firm Profile:

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Centre Square West
1500 Market Street, Suite 3400
Philadelphia, PA, USA 19102-2101
Tel +1 215 665 3000