Grainger Bowman concentrates his practice in the areas of construction litigation, administrative and governmental law, and public contract law. He has, for example, litigated on behalf of heavy and highway contractors which have performed important highway, bridge and airport construction projects and has acted as counsel to participants in major building projects such as sewer and water systems, county and state correctional facilities, schools, colleges and municipal sports complexes. He has pursued commercial litigation before state and federal courts, and has practiced before numerous administrative agencies, including Pennsylvania Departments of Revenue, Commerce, Transportation, General Services, Human Services (formerly Public Welfare), Environmental Protection, Labor and Industry, and the Bureau of Professional and Occupational Affairs in professional and occupational licensure matters. He has represented vendors of products and services to governmental agencies in various governmental requests for proposals, including purchase of durable goods, perishable and consumable goods, service contracts, and systems contracts. His practice has also included serving as an arbitrator and a mediator for construction contract disputes and for commercial contract disputes. He has been appointed to the American Arbitration Association National Panel of Arbitrators.
Grainger was the organizing author of the Symposium Issue on Pennsylvania State and Local Government Contracting - A Practitioner’s Guide to Current Issues (Pennsylvania Bar Quarterly magazine, October 2014, Vol. LXXXV, No. 4), where he authored two articles. He has contributed to the legal column for the Associated Pennsylvania Constructor's publication Highway Builder, and has chaired the Pennsylvania Bar Association Construction Litigation Committee and the governing Council of the 4000 member Pennsylvania Bar Association Civil Litigation Section. He has been a member of the Pennsylvania Department of General Services' Design Professional Liaison Committee, and was Solicitor of the Borough of Dauphin (Dauphin County) for 17 years. He is a member of the Public Contract Law Section and the Litigation Section of the American Bar Association. From 1973 to 1974, Grainger was a clerk for The Honorable James S. Bowman of the Commonwealth Court of Pennsylvania. He was highly recommended as an appellate judicial candidate for the Pennsylvania Commonwealth and Superior Court by the Pennsylvania Bar Association’s Judicial Evaluation Commission in January 2001 and 2003, respectively.
- “Best Lawyers in America” (2006-present)
- “Pennsylvania Super Lawyers” (2008-present), Philadelphia Magazine
- Designated as one of Top Attorneys in Pennsylvania, as published in Philadelphia Magazine (June 2012)
- Rated by the Pennsylvania Bar Association Judicial Evaluation Commission in 2001: “Highly Qualified to be Judge of the Commonwealth Court of Pennsylvania.”
- Rated by the Pennsylvania Bar Association Judicial Evaluation Commission in 2003: “Highly Qualified to be Judge of the Superior Court of Pennsylvania.”
- Pennsylvania Bar Association (Municipal Law Section; Past Chairman, Civil Litigation Section; Past Chairman, Construction Litigation Committee)
- American Bar Association (Sections on: Public Contract Law and Litigation)
- Dauphin County Bar Association (Past Chair of the Government Law Section, Past Member of Board of Directors)
- James S. Bowman American Inn of Court, Past President
- Pennsylvania Client Security Fund (Now Pennsylvania Lawyers for Client Security, a committee of the Pennsylvania Supreme Court), Past Chairman
- Commonwealth Court Historical Society, Incorporator and Past Treasurer and Board Member
- Cleve J. Fredricksen Library Board of Trustees, Past President
- Silver Spring Presbyterian Church, Board of Session, 2004
Grainger is a frequent lecturer and course planner for the Pennsylvania Bar Institute and Dauphin County Bar Association seminars and private conferences on public and private contract law and legal ethics. He has addressed numerous professional organizations on construction liabilities, and risk management. He has spoken to the American Council of Engineering Companies, the American Association of Highway Engineers, the Construction Management Association of America, the Design-Build Institute of America, the American Institute of Architects-PA, and the Pennsylvania Amusement and Music Machine Association.
- "The Implications of Legislative Inaction to Address Issues Relating to Priority Disputes Between Open-End Mortgages and Mechans Liens," paBanker, Official Magazine of the Pennsylvania Banker's Association, Vol. 14.6., November-December 2012