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About David
Biography
David C. Gagne is a partner in the firm of Giordano, Delcollo, Werb & Gagne, LLC, concentrating in the area of family law. He is licensed to practice before all of the Courts of the State of Delaware, the United States District Court for the District of Delaware, and the United States Court of Appeals for the Third Circuit. He received his Bachelor of Science degree in Criminal Justice from the University of Delaware in 1988 and his Juris Doctor degree with honors from the Widener University School of Law in 1992.
Mr. Gagne is a member of the Delaware State Bar Association, the Delaware Trial Lawyers Association, The Family Law Section of the Delaware State Bar Association and The Meslon-Arsht American Inn of Court. Mr. Gagne represents clients throughout the state. Having grown up in Delaware and later attending both college and law school in Delaware, Mr. Gagne has maintained connections in all three counties.
Practice Areas
3
Practice Areas
Child Custody
40%
32 years
Divorce and Separation
40%
32 years
Family
20%
32 years
Fees and Rates
Awards
2018 2017 2016
...
+
2
Licenses
Licensed in Delaware for 33 years
State: Delaware
Acquired: 1992
No misconduct found
Location
Giordano, DelCollo,Werb and Gagne
(302) 234-6876
Fax
5301 Limestone Road, Suite 210, Wilmington, DE, 19808
gdwlawfirm.com/Law Offices of David C Gagne
(302) 234-6876
Fax
2499 S DUPONT HWY, STE J, SMYRNA, DE, 19977
gdwlawfirm.com/David C Gagne's Reviews
Avvo Review Score
59 Client Reviews
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Practice Areas
What Clients Mention
Showing 1 - 5 of 15 reviews | Family
Posted by anonymous | November 08, 2025 | Family
Best of the best!
As a fellow family law attorney with over 30 years of experience, I’ve had the privilege of working with David Gagne many times — and I can say without hesitation that he’s the best in the field. When I recently had a personal legal matter that needed immediate attention, I reached out to him — and...
Posted by SC | March 10, 2021 | Hired Attorney | Family
David Gagne is the Best!
I’m a lawyer in Delaware, so I know Delaware lawyers. David is a premiere attorney, who is well-respected by the Family Court judges and other divorce and family-law practitioners. David’s experience and abilities offered me a huge advantage because my ex-spouse’s lawyer knew that we could litigate...
Posted by Barbara | December 28, 2018 | Hired Attorney | Family
Excellent Attorney - Highly recommended
Mr. Gagne was my attorney for my divorce and custody agreement as well as many subsequent filings in family court by my ex. He is professional, knowledgeable and experienced in family court. If you need excellent representation, he is the attorney to have on your side.
Posted by John | April 25, 2018 | Hired Attorney | Family
Excellent attorney, great human
Between 2003 and 2010, David successfully defended me from various law suits from my litigious law ex-wife and guided me through the change of custody when I became the residential parent. His advice was fair and balanced. His filings are thorough and clear. He has an expert knowledge of the famil...
Posted by anonymous | December 10, 2017 | Hired Attorney | Family
Helped with our case that went to the DE Supreme Court
My wife and I were referred to David to assist with our family court case. It was for a visitation suit brought against us. He was very knowledgeable of the state statute and the US Supreme Court case the statute was based off of. His passion for our case was very reassuring. David did a fantastic ...
David C Gagne's Lawyer Endorsements
"David is an excellent litigator and doesn’t hesitate to pursue matters to trial if a good settlement cannot be negotiated."
"I endorse this lawyer. Dave is an excellent attorney and advocate for his clients."
"David and I have worked opposite each other and as co-counsel in Delaware Family Court cases. David combines the best in tenacity and resourcefulness, and cares about the well-being of his clients. David always has my highest recommendation."
"I endorse this lawyer. David Gagne is an excellent trial attorney and a skilled advocate in family law cases. At the most stressful and uncertain time in their lives, David inspires confidence in his clients as they see the tenacity and zealousness with which he approaches every case. David has earned respect from the Court and from other attorneys through his diligent preparation and knowledge of family law. David is the number one choice for Delaware family law representation."
"I endorse this lawyer. I have known David for over a decade and most recently have had the pleasure of welcoming him to our firm as a partner. His depth of expertise and high level of proficiency in the field of family law has given him a wonderful reputation in the legal community in Delaware. I am proud to working with David."
"I endorse this lawyer. I have known David for over 20 years. David is a an outstanding lawyer and very much cares for his clients. David is very comfortable in the courtroom and is very easy to talk to. I have referred many cases to David over the years and I will continue to do so. My referrals often call me back to tell me how much they like David and how much they respect him."
"I worked with David for 7 years. He is very knowledgeable regarding Delaware family law and Family Court practice and has consistently provided outstanding representation on behalf of his clients. I highly endorse David for family law matters."
"I endorse this lawyer. David is an excellent advocate for the interests of his client and is a skilled trial lawyer. David also understands his client's needs and is tenacious about obtaining the best outcome for his client. I have worked both as co-counsel with David and as opposing counsel and have found him to be completely professional in both situations."
"I endorse this lawyer. Dave is a consummate professional and a zealous advocate for his clients. I have opposed him in cases in Family Court and have always found him to be a creative and tenacious lawyer but one who finds a balance between zealous advocacy and fairness in reaching a result that is in the best interests of his client. An excellent attorney."
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Experience
Honors
2017
Distinguished, Martindale-Hubbell
Work Experience
2014 - Present
Partner, Giordano, DelCollo, Werb & Gagne
Associations
1994 - Present
American Association for JusticeMember
1992 - Present
American Bar AssociationMember
1992 - Present
Delaware State Bar AssociationMember
Education
1992
Widener University School of Law
JD - Juris Doctor
1988
University of Delaware
BS - Bachelor of Science
Languages
English