title: Sobering Trademark Stories: Costly Mistakes To Avoid
author: David L Hoffman
description: David L. Hoffman has practiced trademark, patent and copyright law (intellectual property or IP) for over 30 years. He has an engineering degree from MIT and a law degree from the University of Pennsylvania. After many years of practice, he formed his own IP law firm in Valencia, California in 2003. Hoffman Patent Group (HPG) represents ongoing businesses in all of their IP matters by protecting their trademarks and inventions from would-be invaders. HPG also provides IP lawsuit defense, helping companies get out fast before it becomes too expensive. David lives in Valencia with his wife and daughters. He enjoys golf, tennis, fix-it projects, and wine-tasting.
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  Hero Society
  
  
  Day
  
  
  ![HS logo 1.jpg](../Images/image00156.jpeg)
  
  
  
  
  
    
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  Jessica Florence
  
    
  
  
  
  
  
  
  
  
  
  
  
  This is a work of fiction. Names, places, characters, and events are
  fictitious in every regard. Any similarities to actual events, and persons,
  living or dead, are purely coincidental. Any trademarks, service marks,
  product names, or named features are assumed to be the property of their
  respective owners, and are used only for reference. There is no implied
  endorsement if any of those terms are used. Except for review purposes, the
  reproduction of this book in whole or part, electronically or mechanically,
  constitutes a copyright violation.
  
  
  Jessica Florence(C) 2018
  
  
  Editing by [LibrumArtis Editorial
  Services](https://www.facebook.com/librumartis/?fref=ts)
  
  
  Proofreading by [Judy’s
  Proofreading](https://www.facebook.com/judysproofreading/?fref=ts)
  
  
  Cover by Sarah Hansen, [Okay
  Creations](https://www.facebook.com/okaycreationsSH/