Skip to main content

Patrick Nightingale

Criminal Defense Attorney


Patrick K. Nightingale is a practicing criminal defense attorney in both state and federal court in Southwestern Pennsylvania.  He began his legal career as a prosecutor with the Allegheny County District Attorney’s Office in 1996.  In 1999 he helped to found the Domestic Violence Prosecution Unit.  Since 2002 Mr. Nightingale has specialized in criminal defense with a particular focus on protecting the rights of cannabis consumers.  Mr. Nightingale practices in state and federal courts throughout Pennsylvania and handles both trial, appellate and post-conviction litigation. 

Mr. Nightingale re-established the Pittsburgh NORML and has worked to advance medical cannabis and adult use cannabis reform.  In his capacity as Executive Director he has spoken extensively on the subject of cannabis reform.  Mr. Nightingale has been a frequent guest on local radio and television, and is a trusted voice on reform related questions.  He has also been privileged to testify on numerous occasions before Pennsylvania legislative bodies considering medicinal cannabis legislation.

Mr. Nightingale also serves on the Board of Directors of the Medical Cannabis Society, a Pennsylvania based non-profit.  “I was very excited to join a non-profit with a mission of both advocating for patient interests and promoting industry best practices in Pennsylvania and other emerging medical cannabis states.  As our medical cannabis program matures in Pennsylvania and in states like Ohio and West Virginia it is abundantly clear we must continue to work to advance patient interests through education and legislation.”  

In August, 2017, Mr. Nightingale along with his partners established Cannabis Legal Solutions – a law firm catering to the needs of Pennsylvania’s emerging medical cannabis industry.  “We believe that as our industry expands clients will value having counsel that understands the cannabis industry and issues facing both consumers and business entities alike.”

Mr. Nightingale has taught Continuing Legal Education courses on the issue of cannabis policy and law to the Allegheny County Bar Association, Allegheny County DA’s Office, Westmoreland County Bar Association, Washington County Bar Association, Fayette County Bar Association and the Pennsylvania Bar Association.  Mr. Nightingale also serves as a speaker for Law Enforcement Action Partnership.Mr. Nightingale is married to fellow activist Theresa and they have three children together – Perrin, Mac and Xavina. 

Mr. Nightingale can be reached at 412.225.7959 or at

Product Type
On Demand

The Ethical Implications of Substance Use and Abuse

Average Rating:
Specialty Credits |  Ethics |  Substance Abuse |  Mindfullness
Hannah Stitt |  Patrick Nightingale |  Bob Nichols |  Andrew Kingsdale
1 Hour 10 Minutes
Audio and Video
Access for 6 month(s) after purchase.
Short Description:
Panelists will discuss how cannabis use and substance abuse issues can interfere with an attorney’s competence obligations, and mandatory reporting requirements.
$75.00 - Non Member Price

Showing 1 to 1 of 1 entries