| Property Protected | Process, machine, manufacture, composition of matter,   or improvement thereof. | Any distinct word, name, symbol, or device used to identify a source of goods or services. | Original work of authorship fixed in a tangible medium of expression. | Commercially valuable information not generally known or readily ascertainable, if reasonable efforts are used to keep it secret. | 
  
    | Must be useful, novel and non-obvious. | Inherently distinctive if arbitrary, fanciful, or suggestive. | Fixed if it is sufficiently permanent (written down, recorded, painted, saved electronically, etc.) | Disclosure to one person without confidence may destroy a trade secret. | 
  
    | Also distinctive if descriptive with acquired secondary meaning. | Originality requires some amount of creativity by the author. | More efforts required for more valuable secrets. | 
  
    | Action Required | U.S. Patent and Trademark Office. Application required. | U.S. Patent and Trademark Office for federal protection. Secretary of State’s office for state protection. Registration advised but not required. | U.S. Copyright Office within the Library of Congress. Registration advised by not required. | NONE | 
  
    | Rights | Right to exclude others from making, using, selling, or offering for sale in U.S. or importing to U.S. | Right to stop others from using confusingly similar marks in commerce. | Exclusive right to reproduce, prepare derivative works, distribute, perform publicly, and display publicly. | Right to sue others from improperly acquiring the trade secret or breaching confidence regarding the trade secret. Does not prevent reverse engineering. | 
  
    | Public Notice | Pat. Pending. | TM or SM if not registered with USPTO. | “Copyright” or ©, year of first publication, author’s name. | Notice to show confidential nature to employees and anyone else with access to the information. | 
  
    | Pat. No. ######. | ® if registered with USPTO. | © 2023 Joe Smith. | 
  
    | Duration | Generally, 20 years from the earliest US filing date for which priority is claimed.  Provisional applications are excluded in this calculation. | Non-registered: No limit as long as you continually use it. | Life of the author plus 70 years. | No limit as long as it still qualifies as a trade secret. | 
  
    | Registered: No limit as long as you continually use it and file appropriate renewal papers. | Work for hire: the earlier of 95 years from publication or 120 years from creation. |  | 
  
    | Infringement | Every claim limitation in the patent is found, literally or equivalently, in the accused device or method. | Infringer’s mark causes a likelihood of confusion with your mark. | Infringer has copied your work without permission. | Another has knowingly misappropriated your trade secret for his or her own gain or to harm you. | 
  
    | If your mark is famous, then you can also sue if another dilutes or tarnishes your mark. | Infringer’s work is substantially similar to yours. |