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IP Enforcement

In 2008, FenF, LLC instituted its own in-house legal department to build, police, and enforce its Intellectual Property (IP) portfolio (patents, trademarks, and copyrights). FenF, LLC asserts all its rights against IP infringers, both domestically and internationally.

  • To date FenF, LLC has been successful in 11 IP enforcement actions against a total of at least 29 individual defendants.
  • FenF, LLC is completing its 8th year of continuous, successful enforcement litigation.
  • FenF, LLC has gained national recognition for its litigation record.


Representative Lawsuits

FenF, LLC v. Healio Health Inc. et al

FenF, LLC v. Smartthingz, Inc.

FenF, LLC v. The Walking Company and Footsmart, Inc.

FenF, LLC continuously monitors every sales channel for IP infringement. Takedowns frequently occur on:

  • Alibaba
  • Alibaba Express
  • Amazon.ca
  • Amazon.com
  • DHGate
  • eBay
  • And others

Any abusers of FenF, LLC’s IP assets including its patents, federally registered trademarks (i.e."YogaToes" or any variation), or copyrights will very likely be sued.



A partial list of FenF, LLC’s IP asset portfolio:


Representative Patents





Representative Trademarks





Representative Trademark Trade Dress Registrations

Trade Dress Design 5098981

Trade Dress Color Blue For Toe Stretchers 5099070


Representative Copyrights







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