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515-283-8014
Des Moines Office

Matthew A.
McGuire

“Every client has a story. My role is to tell that story in a manner that resonates.”

Matt McGuire maintains a broad practice encompassing a variety of business and commercial litigation, intellectual property litigation, and antitrust matters.

In his business litigation practice, Matt handles a variety of complex disputes, including breach of contract litigation, business torts, and other business and commercial litigation. Matt recognizes that each case is unique and each client has particular business needs that govern the appropriate strategy for resolving disputes. A former judicial clerk for the Hon. James E. Gritzner on the U.S. District Court for the Southern District of Iowa, Matt brings extensive experience navigating the challenges of litigation in federal court.

In his intellectual property litigation practice, Matt works with large and small companies to defend their trademarks and patents, protect their brands, and maximize the value of their innovations. A graduate of Drake’s journalism school, Matt is comfortable working closely with subject-matter experts to ensure that expertise is conveyed to the relevant audience.

Matt also maintains an antitrust practice involving litigation, government investigations, counseling, and merger reviews under the Hart-Scott-Rodino Act. Matt serves as the Chair of the Iowa State Bar Association’s Trade Regulation Section and speaks frequently on antitrust-related topics. Prior to joining Nyemaster, Matt practiced in the field of antitrust law at a leading global law firm in Washington, D.C.

Finally, Matt has a passion for appellate advocacy and represents clients before appellate courts in the state and federal systems. Matt is a contributing editor to On Brief, Nyemaster’s blog devoted to appellate litigation with a focus on the Iowa Supreme Court, the Iowa Court of Appeals, and the U.S. Court of Appeals for the Eighth Circuit.

Order of the Coif

Legal Specialty Award in Regulatory Law

Duke Law Journal
Senior Notes Editor

Duke Law & Technology Review
Staff Editor

Best Lawyers: Ones to Watch
Commercial Litigation, 2021-2025

SPEECHES:

AI in Practice: AI Litigation Tools and Pitfalls to Avoid

Iowa State Bar Association Federal Practice Seminar, December 12, 2025 (panel moderator)

Artificial Intelligence Policies for Law Firms

Iowa State Bar Association AI Training Series, December 11, 2025

Antitrust in 2024-2025: Government Aggression vs. Judicial Restraint

Iowa State Bar Association Corporate Counsel and Trade Regulation Seminar, September 2025 (co-presenter with Justice Edward M. Mansfield)

Antitrust in 2023-2024: Antitrust That Makes A Difference
Iowa State Bar Association Corporate Counsel and Trade Regulation Seminar, September 2024 (co-presenter with Justice Edward M. Mansfield)

Iowa Supreme Court 2023-2024 Term: Civil Case Update
Iowa State Bar Association Annual Meeting, June 2024 (co-presenter with Spencer Cady)

Antitrust Considerations for Mergers and Acquisitions
Iowa Association of Corporate Counsel, June 2024

Antitrust Treatment of IP Settlement Agreements
Iowa Intellectual Property Law Association, November 2023

Antitrust in 2022-23: Are The Regulators Influencing the Courts?
Iowa State Bar Association Corporate Counsel and Trade Regulation Seminar, September 2024 (co-presenter with Justice Edward M. Mansfield)

2022-23 Iowa Supreme Court Term Review
Iowa Association of Administrative Law Judges, June 2023

Hot Topics in eDiscovery
Iowa State Bar Association, June 2023

2022-23 Iowa Supreme Court Mid-Term Review
Polk County Bar Association, April 2023 (co-presenter with Spencer S. Cady)

Trends in Antitrust Law and Enforcement
Iowa Technology Association Legal Roundtable, November 2022

Antitrust in 2021-22: A New Sheriff In Town?
Iowa State Bar Association Corporate Counsel and Trade Regulation Seminar, September 2022 (co-presenter with Justice Edward M. Mansfield)

Pre-Trial: Gearing Up for Trial in Federal Court
Iowa State Bar Association Federal Practice Committee, August 2022 (panelist)

Antitrust in 2020-2021: End of the Line for the NCAA?
Iowa State Bar Association Corporate Counsel and Trade Regulation Seminar, September 2021 (co-presenter with Justice Edward M. Mansfield)

Antitrust in 2019-2020: What’s the Deal With Antitrust and Technology?
Iowa State Bar Association Corporate Counsel and Trade Regulation Seminar, September 2020 (co-presenter with Justice Edward M. Mansfield)

Antitrust in 2018-2019: Is Antitrust Getting Too Political?
Iowa State Bar Association Corporate Counsel and Trade Regulation Seminar, September 2019 (co-presenter with Justice Edward M. Mansfield)

Antitrust in 2017-18: Are We Seeing the Comeback of Vertical Restraint Cases?
Iowa State Bar Association Corporate Counsel and Trade Regulation Seminar, October 2018 (co-presenter with Justice Edward M. Mansfield)

PUBLICATIONS:

Crafting AI policies for law firms

The Iowa Lawyer, December 2025/January 2026

A Statistical Review of the 2024-2025 Iowa Supreme Court Term: Continued unpredictability in close cases

The Iowa Lawyer, August 2025

Saying more with less: How to write succinctly yet persuasively in legal briefs

The Iowa Lawyer, December 2025/January 2025 (co-author with Leslie Behaunek)

A Statistical Review of the 2023-2024 Iowa Supreme Court Term: The Court Finds a New Equilibrium
The Iowa Lawyer, August 2024 (with Spencer S. Cady and Chris Slack)

A Statistical Review of the 2022-2023 Iowa Supreme Court Term
The Iowa Lawyer, August 2023 (with Spencer S. Cady and Chris Slack)

A Statistical Review of the 2021-2022 Iowa Supreme Court Term: While Polarization Recedes, Disagreement Persists
The Iowa Lawyer, August 2022 (with Spencer S. Cady)

A Statistical Review of the 2020-2021 Iowa Supreme Court Term: The Many Alignments Of The Christensen Court
The Iowa Lawyer, August 2021

Subprime Education: For-Profit Colleges and the Problem with Title IV Federal Student Aid
62 Duke L.J. 119, 2012

Iowa State Bar Association
Chair, Section Council, Trade Regulation

Greater Des Moines Partnership
Downtown Events Committee, 2023-2024

Young Professionals Connection (YPC) Board of Directors
Impact Downtown Chair, 2019-2020

Downtown Community Alliance
Board Member, 2019-2020

Transit Future Working Group
Board Member, 2019-2020

OVERVIEW

Matt McGuire maintains a broad practice encompassing a variety of business and commercial litigation, intellectual property litigation, and antitrust matters.

In his business litigation practice, Matt handles a variety of complex disputes, including breach of contract litigation, business torts, and other business and commercial litigation. Matt recognizes that each case is unique and each client has particular business needs that govern the appropriate strategy for resolving disputes. A former judicial clerk for the Hon. James E. Gritzner on the U.S. District Court for the Southern District of Iowa, Matt brings extensive experience navigating the challenges of litigation in federal court.

In his intellectual property litigation practice, Matt works with large and small companies to defend their trademarks and patents, protect their brands, and maximize the value of their innovations. A graduate of Drake’s journalism school, Matt is comfortable working closely with subject-matter experts to ensure that expertise is conveyed to the relevant audience.

Matt also maintains an antitrust practice involving litigation, government investigations, counseling, and merger reviews under the Hart-Scott-Rodino Act. Matt serves as the Chair of the Iowa State Bar Association’s Trade Regulation Section and speaks frequently on antitrust-related topics. Prior to joining Nyemaster, Matt practiced in the field of antitrust law at a leading global law firm in Washington, D.C.

Finally, Matt has a passion for appellate advocacy and represents clients before appellate courts in the state and federal systems. Matt is a contributing editor to On Brief, Nyemaster’s blog devoted to appellate litigation with a focus on the Iowa Supreme Court, the Iowa Court of Appeals, and the U.S. Court of Appeals for the Eighth Circuit.

ACADEMIC ACHIEVEMENTS

Order of the Coif

Legal Specialty Award in Regulatory Law

Duke Law Journal
Senior Notes Editor

Duke Law & Technology Review
Staff Editor

RECOGNITION

Best Lawyers: Ones to Watch
Commercial Litigation, 2021-2025

SPEECHES & PUBLICATIONS