Esther Soria Mignanelli

Area of Emphasis

Esther Soria Mignanelli is an associate in the Litigation and Construction Services groups of Babst Calland. Ms. Mignanelli frequently represents clients in a variety of commercial and construction-related disputes including construction bid protests, construction defect claims, negligent misrepresentation claims and contract performance disputes. She has experience in Pennsylvania trial level and appellate courts, the Pennsylvania Environmental Hearing Board, the United States Federal District Courts for the Middle and Western Districts of Pennsylvania, and the United States Court of Federal Claims.


In 2008, Ms. Mignanelli graduated cum laude from Bethel University in St. Paul, MN. Before attending law school, she spent three years working as a Spanish teacher for Academia Cesar Chavez and an adjunct faculty member at Bethel University; all the meanwhile accumulating a total of eight years of professional barista experience.

Ms. Mignanelli is a magna cum laude graduate of Chicago-Kent College of Law. She was admitted on a full-tuition academic scholarship, awarded four CALI Excellence for the Future Awards, and elected into the Order of the Coif. She also worked for two semesters as a Legal Writing Teaching Assistant.

While serving as Vice President of the Moot Court Honors Society, Ms. Mignanelli competed in four national competitions, including the 2014 American Bar Association’s National Appellate Advocacy Competition, in which her team was named a Regional Champion. Her dedication to the appellate advocacy program was recognized by her receipt of the 2014 Marc Grinker Student Commitment Award. She was an associate editor for the Chicago-Kent Journal of Environmental and Energy Law and served on the boards of the Hispanic-Latino Law Student Association and the Christian Legal Society. Her contributions to her school and the community at large were acknowledged by her induction into the Bar and Gavel Society.

In preparation for a career in litigation, Ms. Mignanelli worked as a law clerk for the U.S. Attorney’s Office in the Northern District of Illinois, where she prosecuted petty crimes and assisted on various appeals and trials within the Office’s Civil and Criminal Divisions. She served as an intern for two federal judges: the Honorable G. Murray Snow in the District of Arizona and the Honorable James B. Zagel in the Northern District of Illinois. Additionally, she spent two semesters volunteering at the Cook County Domestic Violence Courthouse, assisting pro se litigants obtain Protective Orders.

Memberships and Affiliations

Ms. Mignanelli is admitted to the Pennsylvania Bar. She is a member of the National Association of Women in Construction (NAWIC) Chapter #161, and the Allegheny County, Pennsylvania and American Bar Associations. She also coordinates the law firm’s sponsorship of a Pittsburgh-area high school’s mock trial team.

  • Co-Author, “Bilt-Rite and the Evolving Scope of Negligence Liability for Design Professionals,” Breaking Ground Magazine, March/April 2016.
  • Author, “The Art of Illustration: Effective Use of Analogy in Legal Argument,” For the Defense Magazine, January 2016.
  • Co-Author, “What Pa. Can Learn From Ohio’s Mechanic’s Lien Law,” The Legal Intelligencer, August 11, 2015.