In the law firmsSosin, Arnold & Schoenbeck Ltd. in Orland Park added Margaret A. Manetti as an associate in the litigation practice.• Trial lawyer Brianne M. Straka was elected to partner at Quinn Emanuel Urquhart & Sullivan LLP.She specializes in intellectual property litigation with an emphasis on high-tech patent disputes.• Lavelle Law Ltd. founder Kerry M. Lavelle will be the featured speaker for the …