Calli Jo Padilla



(215) 665-6938

(215) 253-6777

As a member of the firm’s Commercial Litigation Department, Calli provides representation to individuals and corporations in complex commercial and business litigation matters. She has represented clients in both state and federal courts in a variety of industries and disputes, including breach of contract, common law fraud, antitrust, casualty defense, and catastrophic tort matters, among others. Calli assists clients with all aspects of litigation – from initial pleadings through discovery, motion practice, mediation, trial, and necessary appeals. She has tried several cases to verdict or judgment and has secured numerous dismissals, judgments, and favorable settlements for her clients.

Calli is also active in the firm’s White Collar Defense & Investigations practice group, where she provides advice and counsel to individuals and corporations in government investigations who are facing potential criminal and civil exposure. Her practice includes advising clients under the antitrust, anti-corruption, and False Claims Act laws and regulations. Calli also frequently represents clients in internal investigations and assists them in developing and implementing compliance programs.

As a hiring partner at Cozen O’Connor, Calli is actively involved in summer associate and lateral recruiting, as well as in the mentoring of junior associates. She is also an active member of the firm’s Women’s Initiative, dedicated to the development and enhancement of professional and personal relationships among Cozen O’Connor’s female attorneys and clients, and is the former chair of the firm’s Associates Committee. As someone who is committed to serving her community, Calli represents clients on a pro bono basis. She serves on the Eastern District of Pennsylvania’s Attorney Panel for Pro Se Prisoner Civil Rights Cases and does work with the Pennsylvania Innocence Project and the Support Center for Child Advocates.

Calli also has significant experience advising NCAA coaches and student-athletes on NCAA matters pertaining to eligibility, recruiting, and amateurism. She has successfully counseled several clients through NCAA enforcement proceedings.

Prior to joining Cozen O’Connor as an associate, Calli participated in the firm’s Summer Associate Program. Calli received her law degree, cum laude, from the Villanova University School of Law, where she was a member of the Villanova Law Review, serving as both a staff writer and a managing editor. In addition, Calli participated in the Civil Justice Clinic, worked as a research and teaching assistant, and served as president of the Women’s Law Caucus. Calli received a degree in politics from Princeton University, where she served as the captain of the women’s varsity softball team.   



64 Cozen O'Connor Attorneys Named Pennsylvania Super Lawyers and Rising Stars

May 21, 2019

Super Lawyers has selected 64 Cozen O'Connor attorneys to the 2019 Pennsylvania Super Lawyers and Rising Stars lists.

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.

Cozen O'Connor and Pennsylvania Innocence Project Team Up to Clear Innocent Man Imprisoned for Murder

May 21, 2018

Congratulations to Vince McGuinness, Hayes Hunt, Dylan Alper, Calli Padilla, and Art Fritzinger, all of the Philadelphia office, for their successful advocacy for Dontia Patterson who served over a decade in prison for a crime he did not commit.

17 Cozen O'Connor Attorneys Awarded Pro Bono Service Awards by First Judicial District of PA

October 29, 2015

The judges of the First Judicial Distrct of PA will present pro bono service awards to 17 Cozen O'Connor attorneys who have handled pro bono matters this year in FJD courts.


Protecting Your Company From Privacy Breaches Begins Now [The Legal Intelligencer]

August 05, 2015

Jason Bonk and Calli Jo Padilla discuss the importance of implementing, enforcing and training on policies reflecting the best practices to protect companies against the increasing threat of cyberhacking and privacy breaches.

What In House Counsel Need to Know About Work Place Bullying [The Legal Intelligencer]

October 17, 2012

We all remember the adolescent bully who made grade school and high school an unbearable experience for many. But what happens when your playground nemesis grows up to become your co-worker, or even worse, your boss?

How to Negotiate a Merger: Delaware Case Presses for Answer [The Legal Intelligencer]

September 07, 2012

An interesting case is unfolding in Delaware Chancery Court. The case was brought by the shareholders of El Paso Cop. against the El Paso board and its banker, Goldman Sachs, and it involves the $23 billion merger between El Paso and Kinder Morgan.

Practical Approaches to Avoid Medical Device Sales Representative Liability [ABA TIPS Medicine & Law Committee Newsletter]

May 02, 2012

Practical Approaches to Avoid Medical Device Sales Representative Liability - ABA TIPS Medicine & Law Committee Newsletter - Because of numerous advances in science and technology, the medical sector has seen dramatic growth in the use of medical devices to treat patients. In many cases the devices are complex and dynamic, therefore, manufacturers and physicians have recognized the need to have a sales representative present during their surgical implantations. Beyond merely observing a surgical procedure, sales representatives are often called upon to assist the physician with the proper...


  • Villanova University School of Law, J.D., cum laude, 2011
  • Princeton University, B.A., 2007

Awards & Honors

Pennsylvania Super Lawyer "Rising Star" 2018 and 2019

  • New Jersey
  • Pennsylvania
  • U.S. District Court -- Eastern District of Pennsylvania
  • U.S. District Court -- New Jersey
  • U.S. Supreme Court
  • U.S. Court of Appeals for the Third Circuit