Jonathan Miller - Partner

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Jonathan Miller is a member of the firm’s Commercial Litigation and Securities and Commodities Litigation & Enforcement practice groups. He represents clients at trial and appellate proceedings in Illinois and across the country.

Mr. Miller has represented clients in state and federal trial court proceedings, including cases involving the Lanham Act, state blue sky laws, breach of contract claims, and professional malpractice claims. Mr. Miller also has extensive experience in matters involving the financial services industry. He has represented national financial firms and employees at trial and arbitration in disputes involving claims such as unfair competition, breach of fiduciary duty, trade secret misappropriation, and defamation.

Mr. Miller has also represented clients in state and federal appellate courts, including the Supreme Court of the United States. His wide range of appellate experience includes cases involving state blue sky laws, the False Claims Act, defamation claims, and municipal procurement laws.  

Mr. Miller also has substantial experience representing corporate and individual clients in connection with SEC and FINRA regulatory actions.

Education/Bar Admissions

Mr. Miller received his B.A., summa cum laude, from Temple University in 2004.  He received his J.D. in 2008 from the University of Virginia School of Law. 

Mr. Miller was admitted to the Illinois Bar in 2008. He has also been admitted to the U.S. Supreme Court and U.S. District Court for the Northern District of Illinois.

Representative Matters:

Huizenga Managers Fund, LLC v. A.R. Thane Ritchie, et al.

Circuit Court of Cook County, Ill. (2015; 2017); Illinois Appellate Court (2017);

Illinois Supreme Court (2017); Supreme Court of the United States (2018).

WMJ obtained judgment based upon sale of an investment in violation of the Delaware Securities Act. The Illinois Appellate Court affirmed the judgment and directed the trial court to enter a second judgment on an additional investment. The Illinois Supreme Court denied review, and the Supreme Court of the United States denied defendants’ petition for a writ of certiorari.

Trustee for Lancelot Investors Fund, Ltd., et al. v. Katten Muchin Rosenman LLP
U.S. District Court, Northern District Court of Illinois (2017)

Defended law firm against professional malpractice claims related to representation of hedge fund in transactional matters. Obtained favorable settlement after filing motion for summary judgment.  

Huron Consulting Services LLC v. Prism Healthcare Partners, Ltd

Circuit Court of Cook County, Ill. (2013); U.S. District Court, Northern District of Illinois (2013)

Represented consulting firm in cases involving departure of senior employees to form competitor business. In federal case involving claim for false advertising under the Lanham Act, obtained an agreed mandatory injunction requiring the defendant to run corrective advertisements in trade publication.

Regulation SHO Investigation
Financial Industry Regulatory Authority (2011)

Represented broker-dealer in an investigation related to Regulation SHO, focusing on the requirement to properly locate securities before effecting short sales. The matter was favorably resolved by a Letter of Acceptance, Waiver and Consent.