Battle of the Bands Gets Nasty as Jawbone Ups Fight With Fitbit

  • Companies are embroiled in battles over patents, trade secrets
  • Both face possible trade agency order banning products in U.S.

An employee walks on a treadmill inside a giant replica Fitbit watch.

Photographer: Chris Ratcliffe/Bloomberg

The battle of the fitness bands is starting to look more like the Hunger Games with market leader Fitbit Inc. and its smaller rival Jawbone Inc. slugging it out.

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