In the law firmsSwanson, Martin & Bell LLP partner Christopher T. Sheean has been named chair of the Defense Research Institute’s commercial litigation committee for 2015-16.Sheean chairs the firm’s commercial litigation practice group and practices commercial, corporate and intellectual property litigation matters throughout the United States.* * * * *Corboy & Demetrio P.C. partnerDavid R. Barry Jr. will speak at a Dec. 5 medical-malpractice seminar hosted by the Illinois Trial Lawyers Association. The …