Trademarks

Several trademarks for the proper noun "Roller Derby" are currently in effect. The first three are owned by Roller Derby Skate Corporation, a manufacturer of wheeled skates, based in Litchfield, Illinois:

• An entertainment exhibition involving a contest between teams of roller skaters, first used in commerce in 1935.
• A brand name for roller skates, wheels, and repair parts, first used in commerce in 1935.
• A brand name for t-shirts, jackets, and trousers, first used in commerce in 1987.

The other current trademark was registered June 6, 2005 and applies to a computer game by Ages Entertainment Software, Inc., a subsidiary of Viacom.

The common noun "roller derby" is often used to refer to the sport in general in all of its professional and amateur forms. It is possible that some uses of this term may infringe upon Roller Derby Skate Corporation's trademark.