William Costello

Momkus LLC

After receiving a B.A. in Criminal Justice from the University of Dayton in 2002, William J. Costello graduated from the University of Dayton School of Law in 2007. While in law school, he was a law clerk for Judge Mary Kate Huffman and Judge Patrick McGann when he drafted numerous summary judgment opinions for the Court.

During his final year of law school, Bill was a law clerk for Martin, Folino, Stachler, & Harmon where he drafted complaints, motions supporting and opposing summary judgment, and an appellate brief which resulted in the affirmance of the lower court’s grant of summary judgment.

After becoming a lawyer, Bill was a prosecutor for many years at the DuPage County State’s Attorney’s Office in Wheaton. During his tenure there, he tried more than 170 misdemeanor / felony bench and jury trials to verdict and argued hundreds of motions. Bill was also involved in the investigation and charging of serious felonies ranging from sexual assault, kidnapping, robbery and reckless homicide to first degree murder.

EDUCATION:

  • University of Dayton School of Law, Dayton, Ohio, 2007
    • J.D.
  • University of Dayton, Dayton, Ohio, 2002
    • B.A., Criminal Justice

Cost

Rate : $$$

What types of cases Attorney William Costello & Momkus LLC can handle?
Momkus LLC can handle cases related to laws concerning Banking, Litigation, Family, Divorce, Criminal Defense. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Momkus LLC located?
Momkus LLC is located at 1001 Warrenville Rd #500, Lisle, IL 60532, USA. You can reach out to Momkus LLC using their phone line 630-434-0400. You can also check their website momkus.com.
How much would it cost to hire Momkus LLC?
William Costello lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Momkus LLC
Warrenville Road 1001
Lisle 60532 IL US
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