Peter M. Harrison

Partner
Philadelphia
2000 Market Street
Suite 1300
Philadelphia, PA 19103

Peter Harrison defends major healthcare systems, nursing homes, Fortune 500 companies, multi-national corporations, manufacturers, and insurance companies in workers’ compensation matters. 

With more than three decades of experience, Peter is well versed in counseling clients in all things related to workers’ compensation claims in Pennsylvania. Peter has served clients in a variety of industries including telecommunications, insurance programs, and fraud prosecution.  

Peter frequently lectures on workers’ compensation issues including the scope of defenses, best practices, controlling the cost of litigation, subrogation laws, vocational case law and strategies, and fraud prosecution. Additionally, he is the author of “A Guide to Handling of Pennsylvania Workers’ Compensation” and “Fraud Prosecution in Workers’ Compensation Cases.” He is well-known throughout Pennsylvania as a reliable and respected authority in the sphere of workers’ compensation and has been sought out as a consulting expert witness in Pennsylvania workers’ compensation cases, particularly involving standards of practice in Errors and Omissions (E&O) insurance policies. 

Peter has received numerous awards and accolades for his practice. Since 2018, he has received an AV Preeminent® peer rating in Martindale-Hubbell as well as the Special Edition Judicial Award every year since 2018, which is the highest ranking of professional excellence given by the directory. Additionally, Peter has been included in the list of Pennsylvania Super Lawyers every year since 2012. In 2025 and 2026, Peter was listed in The Best Lawyers in America® in the area of Workers’ Compensation – Employers.

Professional & Community Involvement

  • Pennsylvania Bar Association 
  • Philadelphia Bar Association 
  • Philadelphia Workers’ Compensation Claims Association 

Speaking Engagements

  • 05.28.19  Presenter, IRE Analysis: Practice and Procedure, Moorestown, NJ 
  • 04.04.19  Presenter: Legislative Update, Bel Air, Maryland 
  • 08.24.17  Presenter: Effective Management of Pennsylvania Workers’ Compensation Claims. Amtrust. Mt. Laurel, NJ. 
  • 02.17.17  Presenter: Overview of Pennsylvania Workers’ Compensation claims handling and risk management. Firstline National Insurance Company, Bel Air, Md. 
  • 07.20.16  Presenter, “Misclassification of Workers: Employee vs. Independent Contractor and the Impact of the Construction Workplace Misclassification Act,” PBI program, Philadelphia, PA and webcast 
  • 07.24.15  Presenter, “Pennsylvania Case Law Update,” Amerihealth, Philadelphia, PA 
  • 03.27.15  Presenter, Effective Management of Pennsylvania Workers’ Compensation Claims, Harford Mutual Insurance Company, Bel Air, Md. 
  • 06.18.14  Presenter, Independent Rating Evaluation Law and Practice Strategies, Amerihealth Casualty, Philadelphia, PA 
  • 05.28.14  Presenter, Pennsylvania Workers’ Compensation Risk Management Strategies for the Health Care Industry, Trinity Health Care, Langhorne, PA 
  • 01.29.14  Presenter, “An overview of Pre-Litigation Risk Management and the Litigation of Workers’ Compensation Cases,” Greater Philadelphia Hotel Association, Philadelphia, PA 
  • 01.29.14  Speaker, “Pre-Litigation Risk Management and the Litigation of Workers’ Compensation Cases,” Greater Philadelphia Hotel Association 
  • 06.25.12  Presenter, “Pennsylvania 2012 Forms Practice Update,” Corvel Corporation, Baltimore, Maryland 
  • 04.11.12  Presenter, “An Examination of Course and Scope Defenses Under the Pennsylvania Workers’ Compensation Act,” Sedgwick CMS, Philadelphia, PA 
  • 07.20.11  Presenter, “Pennsylvania Forms Practice Update,” Bel Air, Maryland 
  • 03.25.11  Presenter, “Workplace Violence and Mental Stress Claims,” Philadelphia, PA 

Cases and Experience

Successfully defended a major healthcare system on a Claim Petition alleging infectious disease exposure in the operating room. 

Successfully defended a regional nursing home on a Claim Petition alleging physical and psychiatric injury stemming from an altercation between a caregiver and patient. 

Successfully defended a national hotel chain on a Claim Petition alleging catastrophic injury from use of a power washer. 

Successfully defended a Fortune 500 manufacturing company on a Claim Petition utilizing the horseplay defense. 

Successfully established the availability of permanent modified work resulting in a suspension of benefits for a Fortune 500 manufacturing company affirmed on appeal before the Pennsylvania Supreme Court. 

Established the parameters of the use of surveillance evidence as it relates to the formulation of a full recovery opinion before Pennsylvania Commonwealth Court for a regional insurance company. 

Successfully defended a regional healthcare system on a Claim Petition alleging multiple physical injuries for an unwitnessed accident through the presentation of multiple fact witnesses. 

Successfully defended national insurance company on a Claim Petition alleging non-work-related causes for disability. 

Prior results cannot and do not guarantee or predict a similar outcome with respect to any future matter that we or any lawyer may be retained to handle.

News & Presentations

04.17.24 | Firm News, Press Releases | Casualty, General Liability, Product Liability, Workers’ Compensation, Insurance, Professional Liability, Employment, Medical Malpractice, Business Transactions & Commercial Litigation, Family Law
05.25.23 | Firm News, Press Releases | Casualty, General Liability, Workers’ Compensation, Insurance, Family Law, Civil Rights & Municipal Liability
05.24.22 | Firm News, Press Releases | Family Law, Casualty, General Liability, Premises Liability, Product Liability, Insurance, Workers’ Compensation, Medical Malpractice, Civil Rights & Municipal Liability, Employment, Business Transactions & Commercial Litigation, Creditors’ Rights

Assistant

Education

  • Temple University School of Law, J.D., 1985 
  • Hobart College, B.A., cum laude, 1981 

Practices

Admissions

  • Pennsylvania 

Industries

Awards & Recognition

  • Super Lawyers, 2012 – 2025
  • Martindale-Hubbell Special Edition Judicial Award, 2018 – 2025
  • Martindale-Hubbell AV Preeminent®, 2018 – 2025
  • The Best Lawyers in America® – Workers’ Compensation, 2025 – 2026
Weber Gallagher Simpson Stapleton Fires & Newby, LLP
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognizing you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. Read our complete Privacy Policy.