Practice Areas


  • Connecticut Super Lawyers IP Litigation Rising Star, 2011


  • U.S. District Court, Northern District of Illinois, 2010
  • U.S. District Court, District of Connecticut, 2009
  • U.S. District Court, District of Colorado, 2009
  • U.S. District Court, Eastern District of Texas, 2009
  • U.S. District Court, Eastern District of Michigan, 2008
  • State of Connecticut, 2008
  • U.S. District Court, District of Massachusetts, 1997
  • U.S. Court of Appeals, First Circuit, 1997
  • Commonwealth of Massachusetts, 1996


Vermont Law School, J.D., 1996

Amherst College, B.A., Political Science and History, cum laude, 1993

Teaching Positions

  • Adjunct Professor, Western New England University School of Law, Trademark and Unfair Competition Law
Photo of Thomas J. Mango

Thomas J. Mango

Partner and Chair, Trademark Litigation
860.286.2929, ext. 1189

Thomas J. Mango is a litigator with more than 20 years of experience handling intellectual property, unfair competition, and complex commercial litigation for both national and international clients across a wide variety of industries.  His practice focuses on all aspects of opposition and cancellation proceedings at the Trademark Trial and Appeal Board, trademark litigation in federal courts throughout the US, and global and/or complex trademark disputes. He also counsels clients regarding trademark portfolio protection, enforcement strategies, claim avoidance, and risk management.

Experience Highlights

Partner, Cantor Colburn LLP, 2017-present

Counsel, Cantor Colburn LLP, 2014-2016

Associate, Cantor Colburn LLP, 2006-2013

Associate, Rubin and Rudman LLP, Boston, MA, 2000-2005

Associate, Ferriter, Scobbo, Caruso & Rodophele, P.C., Boston, MA, 1996-1999

Representative Matters

  • MySpace, Inc. v. Media, LLC, Opposition No. 91185197 (TTAB). Represented social media and entertainment company. After discovery, negotiated favorable settlement for our client.
  • Speed Channel, Inc. v. Phoenix 2008 LLC, Opposition No. 91189418 (TTAB). Represented Cable Network. After considerable discovery, the applicant expressly abandoned four applications at issue.
  • SABIC Innovative Plastics IP B.V. v. AY Tech LLC, Opposition No. 91202966 (TTAB). Represented petrochemical manufacturer. Obtained default judgment for our client.
    Amerifit Inc. v. Metagenics Inc., Civil Case No. 3:10-cv-00596-JCH (D. Conn.). Represented nutritional supplement company. After discovery, negotiated favorable settlement for our client.
  • Managed Air Systems LLC v. New England Booth & Equipment, Inc., Civil Case No. 3:10-cv-01343-MRK (D.Conn.). Represented spray booth and paint booth distributor. After complaint was filed, negotiated favorable settlement for our client.
  • Premier Horticulture Ltd. v. Omex Agriculture Inc., Opposition No. 91201179 (TTAB). Represented manufacturer of horticultural and agricultural products. After notice of opposition was filed, negotiated favorable settlement for our client.
  • Dreamwell, Ltd. v. Sheex, Inc., Opposition No. 91208090 (TTAB). Represented mattress manufacturer and distributor. Obtained default judgment for our client.
  • OSRAM SYLVANIA Inc. v. SCRAM Technologies, Inc., Opposition No. 91207691 (TTAB). Represented lighting products company. Obtained default judgment for our client.
  • Innovation Ventures, LLC v. Maximum Human Performance, LLC, Opposition No. 91201227 (TTAB). Represent supplement company attempting to register the mark 8 HOUR ALERT over objections by owner of 5 HOUR ENERGY.
  • The Fairfield Processing Corporation v. JS Fiber Co., Inc., Civil Case No. 5:12-cv-00019-RLV-DCK (W.D.N.C.). Represent craft product manufacture enforcing the mark POLY-FIL.


“In registering trademark, full disclosure advised,” by Steven M. Coyle and Thomas J. Mango, November 2008, New England In-House



Professional Affiliations

American Bar Association

Connecticut Intellectual Property Law Association

Intellectual Property Owners Association (IPO)

International Trademark Association (INTA)

Massachusetts Bar Association

Community/Civic Involvement

Board Member, Amherst Association of Central Connecticut, 2009 to present

Board Member, The GIFT Foundation, Inc., Boston, MA, 1999 to 2003