In the law firms Myers, Carden & Sax LLC added Lawrence R. Stolberg as a partner and promoted Joshua M. Rosenstein to partner. Stolberg will concentrate his practice in the defense of long-term care providers and related entities. He was previously with Patton & Ryan LLC. Rosenstein has been with the firm since 2005. He defends long-term care facilities and other health-care providers in professional negligence actions.• DLA Piper added Bevin M. Brennan as a partner in its litigation practice …