When you’re suing a client for your attorney fees, it might be helpful to know who your client is. A law firm’s failure to establish that prevents its recovery of fees in Shimko v. Guenther, case no. 05-16847 (9th Cir. Oct. 12, 2007). The Guenthers were limited partners in two limited partnerships (“the CORF entities”). When the CORF entities were sued, the Guenthers and other owners sought counsel regarding their potential personal liability for the liabilities of the CORF entities. On that much, the parties agreed. But the Guenthers claimed that the CORF entities were the clients, and that, as limited partners, they were not liable for fees. The attorneys…