About D. Connor Warner

Connor is a member of the Professional Liability Department where he concentrates his practice on public entity and civil rights litigation. He handles all manner of public risk claims including disputes involving municipalities, police departments, zoning officers, school districts, public officials, and both private and public sector employees.

Connor also has experience representing physicians, physician assistants, hospitals, and other health care providers and facilities in general and professional liability matters.

Connor was born and raised in Chester County, Pennsylvania. He graduated from the University of Delaware with a Bachelor of Arts in Public Policy and a Bachelor of Arts in Political Science and went on to earn his juris doctor from Villanova University Charles Widger School of Law with a Health Law Concentration.

During law school, Connor was an active member in several organizations, including the Honor Board, Villanova Health Law Society, Villanova Sports Law Society, and the COVID-19 Legal Research Project. He also served as a Certified Legal Intern at Villanova Law School’s Interdisciplinary Mental & Physical Health Law Clinic, providing pro-bono representation on community health matters.

Prior to joining Marshall Dennehey, Connor worked at a civil litigation firm, representing clients primarily in the areas of premises, retail, and automobile liability.

Outside of work, Connor enjoys walking his dogs, spending time outdoors, and rooting for the Philadelphia sports teams.

Connor is admitted to practice law in the Commonwealth of Pennsylvania.

Year joined

2023

Results

Dismissal of Police Officers Secured Via Sanctions Imposed

Public Entity & Civil Rights Litigation
August 22, 2025

We had our clients dismissed via sanctions imposed. On Jan. 6, 2011, Charles Sample was arrested by officers of the Philadelphia Police Department’s Narcotics Field Unit. The plaintiff alleged the officers seized $40,000 in cash from his vehicle, falsified a search warrant affidavit, disregarded proper procedures and withheld exculpatory evidence, leading to drug charges. The plaintiff entered a guilty plea for probation to avoid a lengthy prison sentence. On Jan.

Dismissal Secured in Defamation Matter Involving an American Legion Post

Public Entity & Civil Rights Litigation
June 3, 2025

We successfully had a defamation matter against an American Legion Post and certain of its members dismissed. After joining the Post, the plaintiff supposedly found unpaid invoices, canceled insurance policies, and non-compliance with Pennsylvania Liquor Control Board (PLCB) and gaming license regulations. He fired the restaurant manager, processed payroll, secured new insurance, and attempted to renew the gaming license at the defendants’ direction.

Summary Judgment Granted in First Amendment Retaliation Claim Case

Public Entity & Civil Rights Litigation
May 16, 2025

We were granted summary judgment in the dismissal of a First Amendment retaliation claim. The case was brought against our client, the borough manager, as well as the borough and several other of its employees. The plaintiff worked as a trash man in the Streets Department. With regard to the borough manager, the plaintiff alleged First Amendment retaliation under 42 U.S.C. 1983, claiming a hostile work environment due to racial slurs and discriminatory behavior by coworkers and supervisors.

Summary Judgment Obtained in a Section 1983 Malicious Prosecution Case

Public Entity & Civil Rights Litigation
February 12, 2025

We obtained summary judgment on behalf of several Philadelphia narcotics police officers in a Section 1983 malicious prosecution and fabrication of evidence lawsuit. The U.S. District Court for the Eastern District of Pennsylvania dismissed the case, with prejudice, finding the record was barren of any fabricated evidence by any of the defendant officers that was ever used in or influenced any criminal proceeding against the plaintiff, the officers possessed probable cause to charge the plaintiff, and the plaintiff tendered no evidence of an underlying constitutional violation.

Summary Judgment Secured in a Section 1983 Substantive Due Process Case

Public Entity & Civil Rights Litigation
December 23, 2024

We obtained summary judgment in a Section 1983 substantive due process claim involving a Philadelphia police officer. The officer had taken a photo of the plaintiff’s son after he attempted suicide by jumping off a bridge, and the photo was later circulated on social media. The plaintiff alleged that circulation of the photo violated her substantive due process privacy rights, and she also asserted a claim for intentional infliction of emotional distress. One week before trial began, the Honorable Mark Kearney, U.S.

Thought Leadership

A Deadly Encounter: Court Clarifies Use of Force in Police Shooting of Mentally Ill Individual

Philadelphia - Headquarters
Public Entity & Civil Rights Litigation
March 1, 2025
Key Points: Defense Digest, Vol. 31, No.

 

Reviews for D. Connor

This lawyer does not have any client reviews on Lawyers.com yet

Write a Review

Services

Areas of Law

  • Other 2
    • Public Entity & Civil Rights Litigation
    • Health Care Liability

Experience

  • Bar Admission & Memberships
    Admissions
    2022, Pennsylvania
    2023, U.S. District Court Eastern District of Pennsylvania
    2024, U.S. District Court Middle District of Pennsylvania
    Memberships

    Chester County Bar Association
    Philadelphia Bar Association.

  • Education & Certifications
    Law School
    Villanova University Charles Widger School of Law
    Class of 2022
    J.D.
    Other Education
    University of Delaware
    Class of 2019
    B.A.
Case type is required.
I am is required.
First name is required.
Last name is required.
A valid zip code is required.
Country is required.
State is required.
A valid city is required.
A valid email address is required.
A valid phone number is required.
Message is required.
0/1000 characters

By clicking 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 Lawyers.com 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.

This site is protected by reCAPTCHA. See Google’s Privacy Policy and Terms of Service.

Thank you! Your message has been successfully sent.

For your records, a copy of this email has been sent to test@test.com.

Summary of Your Message
Case Type:
I am a/an:
First Name:
Last Name:
City:
Zip Code or Postal Code:
State:
Country:
Phone Number:
Message:

Attorneys FAQs

  • What year was this attorney first admitted to the bar?
    D. Connor Warner was admitted in 2022 to the State of Pennsylvania.
  • Does this attorney speak any other languages?
    D. Connor Warner speaks Spanish (conversational).
  • What law school did this attorney attend?
    D. Connor Warner attended Villanova University Charles Widger School of Law.
  • What year was this attorney's law firm established?
    Marshall Dennehey was established in 1962.