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Thomas P. McMahon, Esq.
Jones & Keller, P.C.
Skilled Antitrust, Health Care And Complex Commercial Litigation Representation For Clients In Colorado And Nationwide.

Skilled Legal Guidance For Class Action Lawsuits In Colorado And Nationwide

Experienced Denver trial attorney Thomas P. McMahon, Esq., has built a track record of success when participating in class action lawsuits in Colorado and nationally.

In a class action, a member or members of a group claim to have been wronged, usually in the consumer arena. Tom McMahon has extensive experience in representing clients in actual or potential class actions, including the following:


Spa Universaire and Vacation Tan & Travel v. Qwest Commc’n’s Int’l, Inc., and Qwest Corp., Civ. Action Nos. 02-978 & 1977 (BNB) (D. Colo.). Served as local counsel for plaintiffs in proposed class action against regional telephone service provider alleging violation of federal antitrust and telecommunications law and state common law.

Miller v. Image Data, LLC, 2004 WL 326998 (10th Cir. Feb. 23, 2004). Served as lead counsel in successfully defending against proposed class action on behalf of millions of Coloradoans purporting to sue under federal Driver’s Privacy Protection Act, 18 U.S.C. § 2721 et seq., and C.R.S. § 42-1-206.

Colour Editions, Inc., d/b/a King Kolor v. Encad, Inc., Civ. Action No. 98-D-2490 (D. Colo.). Served as antitrust and local counsel for national plaintiffs’ class in antitrust action for tying purchase of wide-format commercial ink-jet printers and cartridges, resulting in class recovery valued in millions of dollars.

Abrams v. Southeastern Municipal Bonds, Inc., [1991 Transfer Binder] Fed. Sec. L. Rep. (CCH) 96,055 (D. Colo. 1991), [1990-91 Transfer Binder] Fed. Sec. L. Rep. (CCH) 95,757 (D. Colo. 1990). Served as co-lead class counsel in securities fraud national class action stemming from defaulted Colorado special district bond issue, resulting in recovery of $7.3 million on behalf of bondholders nationwide.

In re Ins. Antitrust Litig., 723 F. Supp. 464 (N.D. Calif. 1989), rev’d, 938 F.2d 919 (9th Cir. 1991), aff’d in part, rev’d in part sub nom. Hartford Fire Ins. Co. v. California, 113 S. Ct. 2891 (1993). Served as lead counsel for State of Colorado in antitrust national class action by states against insurers for boycotting governmental entities relative to provision of commercial general liability insurance coverage, ultimately resulting in multimillion-dollar recovery.

In re Cement Indus. Antitrust Litig., CV No. 76-929 PHX CAM (MDL). Served as lead counsel for state and local governmental entities in Colorado (1981-84) in antitrust national class action for price fixing of cement sold to governmental entities, resulting in six-figure recovery.


Colorado v. Rick’s Hauling Serv., Inc., Civ. Act. No. 84-K-312 (D. Colo. 1984). Served as lead counsel for Colorado Attorney General in federal antitrust parens patriae action (i.e., statutory consumer class action by state attorney general on behalf of natural persons residing in state, under Clayton Act Sec. 4C, 15 U.S.C. §15c) against trash haulers and their association for price fixing and market allocation relating to trash hauling services, resulting in injunction and six-figure recovery on behalf of Colorado residents.

Colorado v. Aspen Hotel Mgt., Inc., Civ. Act. No. 81-F-841 (D. Colo. 1981). Served as lead counsel for Colorado Attorney General in federal antitrust parens patriae action against hotels and resort association for price fixing of lodging accommodations, resulting in recovery injunction and six-figure recovery on behalf of Colorado residents.

Contact Our Skilled Class Actions Lawyer For An Initial Consultation

To discuss your legal issues, call Tom McMahon at the Jones & Keller, P.C., law firm in Denver at 303-732-6531 or send an email message.