Judge Patrick Sherlock


In March 2007, I was appointed to complete the term of Judge David Donnersberger. I was subsequently elected to the bench from the 3rd Judicial Subcircuit, Cook County.

As a judge, I have been assigned to four roles. I have served in the traffic section handling all variety of traffic cases from simple traffic tickets to traffic crimes that are punishable with imprisonment of up to 364 days in jail. I served in traffic court for approximately one year.

In approximately March 2008, I was assigned to Courtroom 1401 in the Daley Center — post-judgment enforcement of all First Municipal District judgments, as well as some Chancery judgments and some Domestic Relations judgments. Courtroom 1401 was one of the busiest courtrooms in the country and during my tenure has handled more than 175,000 cases per year.

In February 2013, I was assigned to the Tax and Miscellaneous Section of the Law Division and also the Commercial Calendar Section. There, I handled a wide variety of civil litigation matters: all variety of state taxation issues, worker’s compensation administrative appeals, unemployment administrative appeals, and complicated business disputes.

In October 2013, I was assigned solely to the Commercial Calendar section of the Law Division. The Commercial Calendar cases are primarily business. Notable cases, include:

• (February 2019) Bluff City v. Plote Investments, the parties agreed that Plote would pay royalties to Bluff City on aggregates – generally, sand and gravel – used by Plote to manufacture hot-mix asphalt used in its road construction. After trial, the Court entered an order reforming the parties’ contract.
• (October 2017) Tupanjac v. Cazares, after a multi-week trial, the Court entered judgment against Cazares (a father and son) in excess of $21 million for breaching fiduciary duties in a venture to own and operate the Ivy Hotel in Chicago, Illinois.
• (November 2015) Fields v. City of Chicago, , an 18 year old boy was killed in a case involving a police chase. The City of Chicago did not preserve evidence in violation of a court order, did not turn over GPS data in discovery, failed to timely provide video evidence and otherwise violated a variety of discovery orders. Plaintiffs were required to bring in excess of 20 motions to compel. In the end, the plaintiff won a verdict of $2.75 million.
• (July 2014) Business Logic v. Morningstar, Investment research and management firm Morningstar, Inc. agreed to pay $61 million to settle a lawsuit filed by Business Logic, a Chicago-based developer of financial software. Business Logic claimed that Morningstar and its subsidiary, Ibbotson Associates, violated a contract and took Business Logic’s intellectual property.
This payment is the largest disclosed trade secrets settlement in Illinois history, according to Orrick, Herrington & Sutcliffe LLP’s Trade Secrets Watch blog post, “Pulling back the veil: Top 10 Disclosed Trade Secret Settlements,” published Oct. 16, 2013.
• (December 2013) Brandenburg Industrial v. State of Illinois, After a multi-day trial, the Court permanently enjoined the State of Illinois from transferring the amount of Brandenburg’s tax protest payments totaling $664,854.02, plus accrued statutory interest, from the protest fund to the Illinois general fund and awarded a full refund of its tax protest payments plus statutory interest.
• (September 2013) ICD Publications v. Gittlitz, Plaintiff publishing business sued a former executive claiming that he improperly double-billed the business for expenses and breached fiduciary duties to the company. After trial, the Court entered judgment in Plaintiff’s favor in the amount of $9,791,840.00 for compensatory damages, interest on the embezzled funds, disgorgement of compensation and punitive damages.


Prior to opening my law office in 1994, I was a member of the law firm of Beigel & Sandler, Ltd., a national law firm with law offices in Chicago, New York, New Jersey and Los Angeles. While a member of the firm of Beigel & Sandler, Ltd., I represented plaintiffs in litigation across the United States. Throughout my professional career, I have represented plaintiffs and defendants in a broad array of cases. Examples of significant cases I handled in my law practice include:

• (January 2007) Andressakis v. Leona’s Pizzeria., 04 C 2405 (Circuit Court of Cook County, Illinois) (Billik, J.). Representing certified class of restaurant workers in minimum wage action. The case was settled for $1,500,000.
• (November 2006) Muniz v. Rexnord Corp., 04 C 2405 (Northern District of Illinois) (Darrah, J.). Representing certified class of DuPage County residents whose groundwater was contaminated by TCE and PCE. The case settled in the amount of $15,750,000.
• (April 2006) Gateway Services of Illinois v. Mt. Hope Cemetery Assn., 01 CH 383 (Circuit Court of Will County, Illinois) (Bertani-Tomczak, J.). Successfully represented an Illinois corporation obtaining a summary judgment against the defendants for specific performance of a real estate contract. My client ultimately obtained title to real property with in excess of $2 million in equity and defeated defendants’ counterclaims of breach of fiduciary duty and fraud.
• (April 2006) Foundation for Human Advancement v. Shiman, 02 CH 12317 (Circuit Court of Cook County, Illinois) (Bush, J.). Represented an Illinois charitable foundation successfully recovering benefits valued in excess of $1 million for the Foundation and one of its trustees.
• (March 2006) In re: Boeing Derivative Litigation, 03 CH 15039 (Circuit Court of Cook County, Illinois) (Arnold, J.). Liaison counsel representing derivative shareholders in a dispute involving Boeing Corporation’s governmental aircraft business. A settlement was approved by Judge Nancy Arnold which obtained approximately $29 million for the corporate plaintiff and wide ranging corporate governance modifications.

I have been a member of the Federal Trial Bar of the United States District Court for the Northern District of Illinois. I tried cases in the Circuit Court of Cook County (Law, Chancery and Probate Divisions), the Circuit Courts for the 16th Judicial Circuit (Kane County), 18th Judicial Circuit (DuPage County), 19th Judicial Circuit (Lake County), 12th Judicial Circuit (Will County) and the United States District Court for the Northern District of Illinois. I have also arbitrated claims before the National Association of Securities Dealers, the American Arbitration Association and JAMS/Endispute. I appealed cases to the United States Court of Appeals of the Eighth Circuit, the United States Court of Appeals for the Seventh Circuit, the Illinois Appellate Court (First District) and Illinois Appellate Court (Second District) and the Illinois Appellate Court (Third District).


University of Illinois College of Law
Champaign, Illinois
Juris Doctor 1990
Moot Court participant
Research Assistant to Donald Uchtmann, Department of Agricultural Economics

Quincy University
Quincy, Illinois
B.S. Economics, 1987
Illinois State Scholar
Quincy Scholar
Business School Top Award
Magna Cum Laude
Residence Hall Assistant

Download Judge Sherlock’s Resume