William C. Kirby

William C. Kirby

William C. Kirby
My approach is to hear my client’s goals—so I can provide concrete advise.
Experience: 20 years
Divorce and Family Law
District of Columbia, Maryland, New Jersey and Pennsylvania
Rated Excellent and Arliegh Burke Academic Scholar
Awards 2
Experience 20y
Videos 1
Online & Web 4

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Within his family law practice, William Kirby values his client relationships above all else. That’s why he does everything in his power to find optimal solutions for their legal matters involving divorce, separation, custody, support, and more. Clients quickly see that William sincerely cares about them and that they can be confident in his advice.

As a primary lawyer at Petrelli Previtera Schimmel, LLC, William heads the firm’s Moorestown, NJ location. He serves a wide range of clients including celebrities facing high-asset divorces. Bill is a passionate, appreciative, and motivated person who is dedicated to empowering individuals and families with the right information.

“When my clients come to see me, they are often experiencing a life-defining moment. How they handle the issue can impact the rest of their life and the lives of their family members,” Bill said. “My approach is to hear what my client’s goals are, so I can provide information and concrete advise about their situation. I know I have been successful when we create a path to the best outcome.”

William refined his strong skill set in litigation and negotiation as an attorney in the U. S. Marine Corps and then as a business litigator representing Fortune 500 companies. He employs his unique background and experience to improve the lives of his clients.

William earned his Bachelor of Science in Economics from the U.S. Naval Academy and was named an Arleigh Burke Academic Scholar. As a Marine Corps First Lieutenant, he was awarded the Marine Corps Funded Law Education Program scholarship. Bill went on to earn his law degree from Duke University School of Law. He is licensed to practice in New Jersey, Pennsylvania, U.S. District Court Eastern District of Pennsylvania, Maryland, and the District of Columbia.

Consultations can be made with William Kirby at any of the firm’s Philadelphia area offices.

Jurisdictions Admitted to Practice

District of Columbia

District of Columbia Bar
Since 2006


Maryland Court of Appeals
Since 2004

New Jersey

New Jersey Courts
Since 2016


Disciplinary Board of the Supreme Court of Pennsylvania
Since 2014

Professional Experience

2019 - Current

Petrelli Previtera Schimmel, LLC,

Primary Lawyer

2015 - Current

William Kirby, Family Law Attorney


2014 - 2019

Ansa|Assuncao LLP


2004 - 2014

U.S. Marine Corps Jagc

Military Attorney



Duke University School of Law


United States Naval Academy

B.S. (1998)


year - William C. Kirby
Rated Excellent


year - William C. Kirby
Arliegh Burke Academic Scholar

United States Naval Academy


Moorestown, NJ Office: 1221 North Church St Suite #206 Moorestown NJ 08057 Telephone: (856) 242-1452
Philadelphia Office 1700 Market Street Suite 1005 Philadelphia PA 19103 Telephone: (215) 515-9901


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Family law attorney in Philadelphia, Pennsylvania
William Kirby, Family Law Attorney
Address: 1600 John F Kennedy Blvd #900, Philadelphia, PA 19103
Phone: (267) 225-6233
Appointments: https://familylawattorneyphiladelphia.com
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William C. Kirby
William C. Kirby My approach is to hear my client’s goals—so I can provide concrete advise.

Experience: 20 years
Website: Open
Location: USA
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Practice Areas


Collaborative Law, Contested Divorce, Military Divorce, Property Division, Same Sex Divorce, Spousal Support & Alimony, Uncontested Divorce

Family Law

Adoption, Child Custody, Child Support, Father's Rights, Guardianship & Conservatorship, Paternity, Prenups & Marital Agreements, Restraining Orders, Same Sex Family Law


English: Spoken, Written



Admitted to Practice

NJ Bar Association


Admitted to Practice

Pennslyvania Bar Association