On November 1, 2012, Wildcat filed suit against Wizards of the Coast for patent infringement of U.S. Pat. No. 6,200,216, entitled "Electronic Trading Card." The '216 patent was filed March 6, 1995, and issued on March 13, 2001. The independent claims of the patent are included below.  We will watch this case and keep you updated of any significant developments.

1. A system for the implementation of a trading card metaphor, comprising:
a disassociated computer program, consisting of a plurality of electronic trading cards (ETCs), each ETC corresponding to a disassociated computer code segment and having an electronic format that supports card scarcity and card authenticity.

15. A method for implementing a trading card metaphor in an electronic trading card (ETC), comprising the steps of:
assembling and personalizing at least one ETCs, each ETC corresponding to a disassociated computer code segment and having an electronic format that supports card scarcity and card authenticity;
choosing a format and setting for said ETC;
optionally adding a personalized multimedia character to said ETC;
optionally selecting a game to be incorporated into said ETC;
optionally adding a secret message, linked to said game, to said ETC; and
optionally adding links to other ETCs.

16. A method for implementing a trading card metaphor in an electronic trading card (ETC), comprising the steps of:
entering a multiroom virtual environment where each room in said environment requires a specific set of ETCs to complete an ETC collection, each ETC corresponding to a disassociated computer code segment and having an electronic format that supports card scarcity and card authenticity;
finding a missing ETC;
completing said set; and
reward when said set is completed.

19. A method for implementing a trading card metaphor in an electronic trading card (ETC), comprising the steps of:
solving a puzzle having increasing levels of difficulty using a series of linked electronic trading cards (ETCs), each ETC corresponding to a disassociated computer code segment and having an electronic format that supports card scarcity and card authenticity; and
reproducing a personalized certificate of completion when, and only when, each level of said puzzle is solved, said certificate of completion optionally including clues to solve a next level of said puzzle.

21. A method for the implementing a trading card metaphor, comprising the steps of:
a dissociating a computer program, consisting of a plurality of electronic trading cards (ETCs), each ETC corresponding to a disassociated computer code segment and having an electronic format that supports card scarcity and card authenticity.

38. A system for the implementation of a trading card metaphor, comprising:
a disassociated computer program, consisting of a plurality of electronic trading cards (ETCs), each ETC corresponding to a disassociated computer code segment and having an electronic format that supports card scarcity and card authenticity; said ETC including a display system, a housing, software, a battery, a CPU, and an LCD display.