WolfBlock LLP (formerly Wolf, Block, Schorr & Solis-Cohen[3]) was a large U.S. law firm and lobbying group based in Philadelphia, Pennsylvania.

The National Law Journal ranked WolfBlock the 149th-largest firm in the United States, and the 10th-largest in Philadelphia, by number of attorneys.

Stern would go on to work for the United States Department of War, and would go on to serve as Chief Justice of the Pennsylvania Supreme Court.

[4] But on August 7, 2008, the two firms released a joint statement explaining that the merger had been put on hold due to "a client conflict that cannot be discussed publicly".

[6] In a press release, the firm announced: WolfBlock will remain in the practice of law for several months to protect the interests of its clients, employees and creditors.