ILCS » Chapter 815 · Act 510
Illinois Compiled Statutes

815 ILCS 510/1 (2026)

As used in this Act, unless the context otherwise requires:     (1) "article" means a product as distinguished from a trademark, label or distinctive dress in packaging;     (2) "certification mark" means a mark used in connection with the goods or services of a person other than the certifier to indicate geographic origin, material, mode of manufacture, quality, accuracy or other characteristics of the goods or services or to indicate that the work or labor on the goods or services was performed by members of a union or other organization;     (3) "collective mark" means a mark used by members of a cooperative, association or other collective group or organization to identify goods or services and distinguish them from those of others or to indicate membership in the collective group or organization;     (4) "mark" means a word, name, symbol, device or any combination of the foregoing in any form or arrangement;     (5) "person" means an individual, corporation, government or governmental subdivision or agency, business trust, estate, trust, partnership, unincorporated association, 2 or more of any of the foregoing having a joint or common interest or any other legal or commercial entity;     (6) "service mark" means a mark used by a person to identify services and to distinguish them from the services of others;     (7) "trademark" means a mark used by a person to identify goods and to distinguish them from the goods of others;     (8) "trade name" means a word, name, symbol, device or any combination of the foregoing in any form of arrangement used by a person to identify his business, vocation or occupation and distinguish it from the business, vocation or occupations of others

✓ current as of May 2026
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(815 ILCS 510/1) (from Ch. 121 1/2, par. 311)
    Sec. 1. As used in this Act, unless the context otherwise requires:
    (1) "article" means a product as distinguished from a trademark, label or distinctive dress in packaging;
    (2) "certification mark" means a mark used in connection with the goods or services of a person other than the certifier to indicate geographic origin, material, mode of manufacture, quality, accuracy or other characteristics of the goods or services or to indicate that the work or labor on the goods or services was performed by members of a union or other organization;
    (3) "collective mark" means a mark used by members of a cooperative, association or other collective group or organization to identify goods or services and distinguish them from those of others or to indicate membership in the collective group or organization;
    (4) "mark" means a word, name, symbol, device or any combination of the foregoing in any form or arrangement;
    (5) "person" means an individual, corporation, government or governmental subdivision or agency, business trust, estate, trust, partnership, unincorporated association, 2 or more of any of the foregoing having a joint or common interest or any other legal or commercial entity;
    (6) "service mark" means a mark used by a person to identify services and to distinguish them from the services of others;
    (7) "trademark" means a mark used by a person to identify goods and to distinguish them from the goods of others;
    (8) "trade name" means a word, name, symbol, device or any combination of the foregoing in any form of arrangement used by a person to identify his business, vocation or occupation and distinguish it from the business, vocation or occupations of others.
(Source: Laws 1965, p. 2647.)

    
Notes of Decisions
Cited in 200 cases (57 in the last 5 years), 1994–2026 · leading case: Price v. Philip Morris, Inc., 848 N.E.2d 1 (Ill. 2006).
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Price v. Philip Morris, Inc., 848 N.E.2d 1 (Ill. 2006). · cites it 4× “(West 1998)), and the Uniform Deceptive Trade Practices Act (Deceptive Practices Act) (815 ILCS 510/1 et seq. (West 1998)), and awarded the estimated 1.”
Customguide v. Careerbuilder, LLC, 813 F. Supp. 2d 990 (N.D. Ill. 2011). · cites it 4× “§ 1030 (a)(4) (Count II); intentional interference with prospective business opportunities (Count III); violation of the Illinois Uniform Deceptive Trade Practices Act, 815 ILCS 510/1 (Count IV); violation of the Illinois Consumer Fraud and Deceptive Trade Practices Act, 815…”
Rubino v. Circuit City Stores, Inc., 758 N.E.2d 1 (Ill. App. Ct. 2001). · cites it 4× “(West 1998) (Credit Card Issuance Act); 815 ILCS 510/1 et seq. (West 1998) (Uniform Deceptive Trade Practices Act)), and sought class certification on those claims; and (3) dismissing counts XIX through XXIII, which alleged that Circuit City violated various Illinois business…”
Yoram Kahn v. Walmart Inc., 107 F.4th 585 (7th Cir. 2024). · cites it 2× “, the Illinois Uniform Deceptive Trade Practices Act (“UDTPA”), 815 ILCS 510/1 et seq., and other states’ consumer protection statutes.”
Robinson v. Toyota Motor Credit Corp., 775 N.E.2d 951 (Ill. 2002). “Plaintiffs then filed a second amended complaint, alleging violations of the CLA, the Consumer Fraud Act, the Uniform Deceptive Trade Practices Act (815 ILCS 510/1 et seq. (West 1994)), and a common law breach of contract.”
George Zelinski, Jr. & Pin Breaker, Inc., an Illinois Corp. v. Columbia 300, Inc., a Texas Corp., Cross-Appellee, 335 F.3d 633 (7th Cir. 2003). · cites it 2× “1114 (1) and 1125(a), state law claims under the Illinois Uniform Deceptive Trade Practices Act, 815 ILCS 510/1 et seq., and the Illinois Consumer Fraud Act, 815 ILCS 505/2 et seq.”
Phoenix Ent. Partners v. Dannette Rumsey, 829 F.3d 817 (7th Cir. 2016). “In addition to the two federal claims, Slep-Tone’s complaint includes two pendent state law claims for violation of the Illinois Uniform Deceptive Trade Practices Act, 815 ILCS 510/1 et seq., and for common law unfair competition.”
Be2 LLC v. Ivanov, 642 F.3d 555 (7th Cir. 2011). “§§ 1114 (1), 1125(a), federal common law, and the Illinois Uniform Deceptive Trade Practices Act, 815 ILCS 510/1 to /7. The complaint names Nikolay Ivanov, a resident of New Jersey, as a defendant.”
SB Designs v. Reebok Int'l, Ltd., 338 F. Supp. 2d 904 (N.D. Ill. 2004). · cites it 3× “§§ 1114 and 1125, against Reebok (Count I) and Cros-sova Productions 1 (Count III), and violations of the “Illinois Uniform Deceptive Trade Practices Act,” 815 ILCS 510/1 et seq., 2 , against Reebok (Count II), arising from defendants’ alleged infringement of plaintiffs’…”
Fox v. Seiden, 2016 IL App (1st) 141984 (Ill. App. Ct. 2016). “Her husband and certain of the corporations were accused of and found to be liable for, among other things, violating the Illinois version of the Uniform Deceptive Trade Practices Act (815 ILCS 510/1 et seq. (West 2012)). Draiman was not named in the deceptive trade practice…”
Sheridan v. iheartMedia, Inc., 255 F. Supp. 3d 767 (N.D. Ill. 2017). · cites it 2× “They assert four state law claims: that -iHeartMedia infringed their common law state copyright (Count I), that iHeartMedia misappropriated their property under the Illinois Uniform Deceptive Trade Practices Act (“IUDTPA”) (815 ILCS 510/1 et seq.) (Count II), that iHeartMedia…”
Chicago's Pizza, Inc. v. Chicago's Pizza Franchise Ltd. USA, 893 N.E.2d 981 (Ill. App. Ct. 2008). “, the Lincoln Avenue location, alleged tortious interference with business expectancy and violations of the Uniform Deceptive Trade Practices Act (Deceptive Trade Practices Act) (815 ILCS 510/1 et seq. (West 2004)) and the Consumer Fraud and Deceptive Business Practices Act…”
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