Atty. Eric J. Maiers

Atty. Eric J. Maiers

Eric J. Maiers is Co-Chair of the Chicago Intellectual Property & Technology Practice at Greenberg Traurig.

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Profile Summary

About Eric J. Maiers at a glance

Eric J. Maiers is a Shareholder based in Chicago, Illinois, practicing at Greenberg Traurig, LLP. Their practice focuses on patent, trademark, ip, aviation, and international. Educated at DePaul University College of Law (J.D., 2005) and University of Iowa (B.S. Electrical, 2001). Active member of Professional & Community Involvement •Member, American Bar Association •Member, Illinois State Bar Association •Member, International Trademark Association (INTA) •Famous and Well-Known Marks Committee, 2019-2023 •Emerging Issues Committee, 2024-2025. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Eric J. Maiers is Co-Chair of the Chicago Intellectual Property & Technology Practice at Greenberg Traurig
  • He is an intellectual property strategist who has purposefully developed diverse experience so that he can be clients’ go-to advisor on virtually all intellectual property matters, including all aspects of prosecution, clearance, portfolio management, litigation and transactions
  • He has managed patent and trademark portfolios globally, from small sets to hundreds of patents and thousands of trademarks
  • Eric has represented clients in Federal District Courts, the Court of Appeals for the Federal Circuit, the International Trade Commission (ITC), the Trademark Trial and Appeal Board (TTAB), and the Patent Trial and Appeal Board (PTAB)
  • Known for his practical yet aggressive IP strategies, Eric’s clients span industries such as airlines, retail, eCommerce, consumer electronics, technology, hardware, and apparel
  • Concentrations •Patent, trademark copyright, and trade secret litigation •Patent, trademark and copyright prosecution •Intellectual property counseling, licensing, due diligence and opinions •Post-issuance patent proceedings, including inter partes review, post-grant review and ex parte reexaminations •Technical areas of experience •Business methodology, particularly in eCommerce and other Internet-related areas •Internet of Things (IoT) •Artificial Intelligence (AI) and Machine Learning •LED and other lighting products •Electrical circuits, both analog and digital, including memory controllers, temperature sensors, and amplifiers •Computer software, including file system level software, operating system level software, application level software, application programming interfaces, graphical user interfaces, client/server applications and video codecs •Computer hardware, including rack server design and hard drive design •Networking systems, including both network hardware and software •Semiconductors and their methods of fabrication •Cellular phone hardware, software, and communication protocols Recognition & Leadership Awards & Accolades •Listed, Leading Lawyers Network, 2022-2026 •'Emerging Lawyer,' 2015-2021 •Listed, World Trademark Review, Illinois, Enforcement and Litigation, 'WTR 1000,' 2023-2026 •Listed, Managing IP Magazine's World IP Handbook and Survey, 'IP Stars: Chicago Patent Stars and Trademark Stars,' 2017-2025 •Team Member, a U.S
  • News - Best Lawyers 'Law Firm of the Year' in Trademark Law, 2020, 2022 •Listed, The Legal 500 United States, •Intellectual Property - Trademarks: Non-Contentious, 2024-2025 •Intellectual Property - Trademarks Litigation, 2019

Practice Areas Explained

Eric J. Maiers's Areas of Practice

Each practice area below reflects the types of cases Eric J. Maiers handles, with a brief overview of what that area of law covers.

Patent Law

Eric J. Maiers is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Illinois →

Trademark Law

Eric J. Maiers is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in Illinois →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Eric J. Maiers is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Illinois →

Aviation Law

Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.

Eric J. Maiers is one of 9,225 aviation attorneys indexed nationally. Browse aviation attorneys in Illinois →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

Eric J. Maiers is one of 40,133 international attorneys indexed nationally. Browse international attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Eric J. Maiers

Where is Eric J. Maiers's law office located?
Eric J. Maiers's law practice is located in Chicago, Illinois. The firm is Greenberg Traurig, LLP. You can contact the office directly through this profile page.
What practice areas does Eric J. Maiers handle?
Eric J. Maiers focuses on patent, trademark, ip, aviation, international. Each practice area listed reflects experience handling cases of that type in Illinois.
Where did Eric J. Maiers go to law school?
Eric J. Maiers earned their education at (J.D., 2005); (B.S. Electrical, 2001).
How can I contact Eric J. Maiers for a consultation?
You can contact Eric J. Maiers directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
DePaul University College of Law
- 2005
B.S. Electrical
University of Iowa
- 2001

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