John P. Rafferty



As a member of the Health Care Department, John focuses his practice on the defense of health care professionals and facilities.

John received his juris doctor from the Pennsylvania State University, Dickinson School of Law. During his time at law school, John worked on the Penn State Journal of Law and International Affairs as an articles editor. While attending law school, he served as judicial extern to the Honorable Judge William Caldwell in the Middle District of Pennsylvania, and also interned with the New Jersey Office of the Attorney General. John also sat on the advisory boards for Penn State Student Legal Services and the Centre Volunteers in Medicine, a local free medical clinic serving the residents of Centre County. John joined Marshall Dennehey as a law clerk in 2015, where he started in the firm's Summer Associate program and continued throughout his final year of law school.

Prior to attending law school, John graduated from St. Joseph's University with a concentration in Economics. He was inducted as a member of Omicron Delta Epsilon, the international economics honor society. Additionally, he worked with faculty of the Economics Department in a research opportunity studying the effects of international patent infringement cases on market prices. John also worked as an intern for a local law firm.

John is a member of the Pennsylvania Bar Association, New Jersey Bar Association and Montgomery Bar Association. He also participates in the Montgomery American Inn of Court.

Year Joined Organization: 2016


The reasonable diligence standard required by the discovery rule is objective and only looks to what a person might have known by exercising reasonable diligence.
Law Alerts • April 1, 2019
The Pennsylvania Supreme Court was faced with the issue of whether the plaintiff satisfied the discovery rule as to toll the running of the statute of limitations in her medical malpractice action. The plaintiff had been bitten by a tick and began..., Case Law Alerts, 2nd Quarter, April 2019 Case Law Alerts is prepared by Marshall Dennehey Warner Coleman & Goggin to provide information on recent developments of interest to our readers. This publication is not intended to provide legal advice...

Areas of Practice (1)

  • Health Care Liability

Education & Credentials

Contact Information:
(610) 354-8265  Phone
(610) 354-829  Fax
University Attended:
Saint Joseph's University, B.S., 2013
Law School Attended:
Pennsylvania State University, Dickinson School of Law, J.D., 2016
Year of First Admission:
2016, New Jersey; 2016, Pennsylvania

Peer Reviews

This lawyer does not have peer reviews.

*Peer Reviews provided before April 15, 2008 are not displayed.

King Of Prussia, Pennsylvania

Contact John P. Rafferty

Required Fields

Required Fields

By clicking on the "Submit" button, you agree to the Terms of Use, Supplemental Terms and Privacy Policy. You also consent to be contacted at the phone number you provided, including by autodials, text messages and/or pre-recorded calls, from Martindale and its affiliates and from or on behalf of attorneys you request or contact through this site. Consent is not a condition of purchase.

You should not send any sensitive or confidential information through this site. Emails sent through this site do not create an attorney-client relationship and may not be treated as privileged or confidential. The lawyer or law firm you are contacting is not required to, and may choose not to, accept you as a client. The Internet is not necessarily secure and emails sent though this site could be intercepted or read by third parties.