The move means Cherry Hill, New Jersey’s Flaster is doubling its Philadelphia office space to 27,000 square feet.
The Gollatz group includes 10 support staff. It is led by partner Gollatz Griffin & Ewing and also includes one counsel and three associates. The group practices commercial litigation and environmental law.
Flaster started its Philadelphia office now has 19 lawyers.
Flaster said it plans an office renovation that includes reconfiguring the existing space to accommodate up to 42 attorneys and a large multimedia conference center.
Gollatz Griffin & Ewing dissolved earlier this year when its two surviving name partners joined West Chester, Pennsylvania-based McElree Harvey, and the Philadelphia office reconstituted as Griffin & Vogler.
Flaster Greenberg, initially known as Liebman & Flaster, was founded in 1972.