Paul K. Leary, Jr.



(215) 665-6911

(215) 665-2013

Paul K. Leary, Jr. concentrates his practice in complex commercial and product liability litigation matters. He is co-vice chair of the firm’s Business Litigation Group, and a member of the firm's board of directors. 

Paul serves as a national trial counsel for multinational companies in the hospitality, transportation, construction, and product manufacturing sectors. He has litigated and successfully tried to verdict multiple catastrophic product liability matters, construction actions, complex commercial transactions, and derivative and toxic tort class action lawsuits. He served as lead counsel in the defense of mass tort litigation involving dietary supplements, multi-state toxic tort claims and all litigation arising from the construction of the Comcast II tower in Philadelphia. In his role as national trial counsel, Paul partners with his clients to understand their business to help facilitate risk management protocols, contract drafting and negotiations, emergency response protocols and to implement and execute litigation/trial strategy. In 2017 alone Paul tried six cases involving catastrophic claims and a complex securities action. He secured a defense verdict after a three-week trial in the Western District of Pennsylvania involving an $8 million claim against one of his longtime national transportation clients. In 2019 he secured a defense verdict against the top plaintiff’s firm in Philadelphia involving a catastrophic accident at a construction site. Some of his noteworthy matters include a successfully tried case of first impression in Eastern District, Pennsylvania involving a multifamily plane crash, representation of a multinational hotel corporation in connection with the bombing of an Islamabad hotel, representation of several companies accused of libel and slander by competitors and successful defense of a $60 million products claim arising from alleged contamination of a sterilization unit at a North Carolina hospital. 

Outside the firm, Paul is a member of the board of directors of the Philadelphia Police Foundation, Police Athletic League (PAL) and Business Leadership Organized for Catholic Schools (BLOCS). He is a director on the Membership Development Committee for Philadelphia Country Club and mentor for the Haverford Hawks ice hockey program. He received his Bachelor of Arts from Fairfield University, where he was awarded the ECAC Medal of Merit. He earned his law degree from Pace University School of Law. Paul is a graduate of the FBI's Honors Intern Program and earned a trial certificate from the IADC Trial Academy at Stanford Law School. 




Cozen O’Connor Wins Major Lawsuits Involving Philadelphia’s Comcast II Tower Project and a California Oil Spill

February 24, 2020

Cozen O’Connor today announced it has secured major wins in two high-profile commercial litigation cases, one in Pennsylvania and the other in California.

Fifty-four Cozen O’Connor Attorneys Named 2018 Pennsylvania Super Lawyers and Rising Stars

June 12, 2018

Super Lawyers has named 54 Cozen O'Connor attorneys to its 2018 Pennsylvania Super Lawyers and Rising Stars lists.

Paul Leary Named to Board of Directors of PAL and BLOCS

March 31, 2015

Paul Leary, a member of Cozen O’Connor’s Commercial Litigation Department, has recently been named to the Board of Directors of both the Police Athletic League (PAL) and the Business Leadership Organized for Catholic Schools (BLOCS).

Cozen O’Connor’s Paul Leary Named To Philadelphia Business Journal’s “40 Under 40”

May 01, 2009

Cozen O’Connor’s Paul Leary Named To Philadelphia Business Journal’s “40 Under 40”

Cozen O’Connor Member Paul K. Leary Jr. Named Member Of IADC

July 17, 2008

Cozen O’Connor Member Paul K. Leary Jr. Named Member Of IADC


Summer 2008 [Commercial Disputes Observer]

July 27, 2008

Summer 2008 - Commercial Disputes Observer -

Events & Seminars

Past Events

Managing Litigation in a Family Context

June 05, 2019 - Boston, Massachusetts

Critical Issues in Litigation – 2016

November 03, 2016 - New York, NY

Critical Issues in Litigation – 2015

May 20, 2015 - New York, NY

IADC: Arbitration 101

December 06, 2011 - Webinar

PLRB/LIRB 2008 Claims Conference

April 13, 2008 - Boston, MA

PLRB/LIRB Large Loss Conference

November 26, 2007 - Washington, D.C.

Industry Sectors


  • Pace University School of Law, J.D., 1998
  • Fairfield University, B.S., 1992

Awards & Honors

 "Irish Legal 100" - 2015-2019

“Pennsylvania Super Lawyer – Rising Star” by Law & Politics - 2007

International Association of Defense Counsel (IADC) - accepted for membership, 2008

40 Under 40 receipt by the Philadelphia Business Journal -  2009

Pennsylvania's Super Lawyers - 2012-2017

  • New Jersey
  • New York
  • Pennsylvania
  • Court Of Common Pleas - Philadelphia County
  • New York Supreme Court
  • Pennsylvania Supreme Court
  • Superior Court of New Jersey
  • Superior Court of Pennsylvania
  • Supreme Court of New Jersey
  • U.S. District Court -- Eastern District of New York
  • U.S. District Court -- Eastern District of Pennsylvania
  • U.S. District Court -- New Jersey
  • U.S. District Court -- Southern District of New York
  • U.S. District Court -- Western District of Pennsylvania
  • American Bar Association
  • Defense Research and Trial Lawyers Association
  • International Association of Defense Counsel
  • Philadelphia Bar Association