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
  • 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

Pennsylvania and Connecticut, USA

Founded: 1904
Member since: 2006
Lawyers: 100+

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Centre Square West
1500 Market Street, Suite 3400
Philadelphia, PA, USA 19102-2101
Tel: +1 215 665 3000
Fax 215.665.3165

Doylestown, PA
The Landmark Building
10 South Clinton Street
Suite 300
Doylestown, PA 18901
Tel: 215.606.0760
Fax: 215.348.1804

Harrisburg, PA
200 Locust Street
Suite 400
Harrisburg, PA 17101-1508
Tel: 717.234.9730
Fax 717.236.2485

New Haven, CT
900 Chapel Street
10th Floor
New Haven, CT 06510
Tel: 860.706.0141
Fax: 860.275.6819

Pittsburgh, PA
525 William Penn Place
Suite 1710
Pittsburgh, PA 15219-2502
Tel: 412.566.1500
Fax: 412.281.1530

West Chester, PA
2 West Market Street
Suite 100
West Chester, PA 19382
Tel: 484.473.8392
Fax: 215.665.3165

West Conshohocken, PA
1001 Conshohocken State Road
STE 1-210
West Conshohocken, PA 19428
Tel: 610.825.3634
Fax: 610.825.4549