Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Gregory P. Jahn, Practice Areas No known practice areas. is located in the city of Clare, the state of Michigan. Attorney legal address 600 Pine StClare, MI, 48617. For more information, please call (989) 386-3456 Your comments* (not for publishing) * — Required information Gregory P. Jahn ← View details 600 Pine StClare, MI, 48617, Clare, Michigan (989) 386-3456