Robert Michael DiOrio, Esquire



Bob has been practicing law for over 45 years. Having dealt with nearly all aspects of the law, Bob is noted for his expertise in divorce, custody, support and family law; wills, estate planning and administration; and school and municipal law.

Professional Qualifications


Temple University School of Law, 1973

Pennsylvania State University, 1969

Admitted to Practice:

  • Supreme Court of the United States
  • United States Court of Appeals for the Third Circuit
  • United States District Court for the Eastern District of Pennsylvania
  • Supreme Court of Pennsylvania
  • Superior Court of Pennsylvania
  • Courts of Common Pleas, Pennsylvania

Positions and Associations:

  • PA Bar Association Corrections System Committee
  • Solicitor, Southeast Delco School District
  • Solicitor, Delaware County Board of Prison Inspectors
  • Solicitor, Delaware County Services for the Aging (COSA)
  • Solicitor, Chester Upland School District
  • Special Solicitor, Township of Springfield
  • Special Counsel, Delaware County School Districts
  • Pennsylvania Association for Justice
  • American Association for Justice
  • Pennsylvania Bar Association, Family Law Section, Solo and Small Firm Section, Probate and Trust Law Sections
  • Pennsylvania School Board Solicitors Association
  • NSBA Council of School Attorneys
  • Association of Family and Conciliation Courts
  • PA Council of Mediators

Former Positions and Associations:

  • Solicitor, Office of the Controller, County of Delaware
  • Secretary, Delaware County Bar Association
  • Director, Delaware County Bar Association
  • Chairman, Delaware County Municipal Solicitors – School District and School Authority Committee
  • Delaware County Assistant District Attorney
  • Delaware County Assistant Public Defender
  • Defense Counsel, State Farm Insurance Company
  • Master in Support, Court of Common Pleas, Delaware County
  • Custody Conciliator, Court of Common Please, Delaware County
  • Certified Pennsylvania School Teacher
  • Director, College of Liberal Arts Alumni Council, Penn State University
  • Solicitor, The Academy of Notre Dame de Namur

Activities and Honors


  • Named Delaware County Top Lawyers in the field of wills, estate planning and administration, by Delaware County Daily Times’ Reader Choice, 2022,2023 & 2024
  • Named Delaware County Best Lawyer in the field of wills, estate planning and administration, by the Delaware County Daily Times’ Readers Choice, for 4 consecutive years, 2018 – 2021
  • Named to the Top Lawyers list, Main Line Today Magazine, 2020, 2021, 2022, 2023 & 2024
  • Named to the Pennsylvania Super Lawyers list, Philadelphia Magazine and Law and Politics, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2018, 2019, 2020, 2021, 2022, 2023 & 2024
  • Wall of Honor recipient, St. James High School
  • Named 2016 Delaware County Best Lawyer in the field of mediation, by Delaware County Daily Times’ Reader Choice, finishing in first place
  • Named 2015 Delaware County Best Lawyer in the field of trial practice, by the Delaware County Daily Times Reader Choice issue, finishing in first place
  • Martindale- Hubbell Bar Register of Preeminent Lawyers – AV Rating
  • Named to the Top Lawyers list, Main Line Today Magazine, 2009
  • Listed in “Who’s Who in the East” and “Who’s Who in American Law”
  • Board of Directors, Delaware County Regional Water Quality Control Authority (DELCORA)
  • Member, Delaware County Bureau of Elections
  • Board of Directors, Metropolitan Hospital
  • President, Springfield Township Board of Commissioners, 1981-1987
  • Board of Trustees, The Academy of Notre Dame de Namur
  • Board of Directors, Immaculata College, President’s Council
  • President, Penn State Club of Delaware County
  • President, Springton Pointe Residents Association
  • President, Father’s Club, The Academy of Notre Dame de Namur
  • Chairman, Chamber of Commerce, Family Business Committee

Contact the Law Firm of DiOrio & Sereni, LLP

For a private consultation, call us at 610-565-5700 or send us an e-mail. Evening and weekend consultations can be arranged upon request, and we will travel to meet with you, if necessary. We accept Discover, Visa and MasterCard.

The National Trial Lawyers

The Law Firm of DiOrio & Sereni, LLP, is located in Media, PA and serves clients in and around Media, Glen Riddle Lima, Brookhaven, Wallingford, Newtown Square, Lenni, Springfield, Swarthmore, Chester, Aston, Bryn Mawr, Morton, Woodlyn, Broomall, Gradyville, Folsom, Chester Heights, Crum Lynne, Glen Mills, Marcus Hook, Ridley Park, Drexel Hill, Marple, Bethel, Garnet Valley, Chadds Ford Concord, Chester County, Delaware County, Montgomery County, Philadelphia County.

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