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Patent Law

: Patently Obvious

By Dennis Crouch, Esq.

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Leader Tech v. Facebook (D.D.E. 2008)

On November 19, Leader Tech sued Facebook for patent infringement of its U.S. Patent No. 7,139,761. The '761 patent claims priority to a provisional application filed in December 2002 ? well before Facebook's 2004 launch. The patent claims are difficult for me to understand:

1. A computer-implemented network-based system that facilitates management of data, comprising:

  • a computer-implemented context component of the network-based system for capturing context information associated with user-defined data created by user interaction of a user in a first context of the network-based system, the context component dynamically storing the context information in metadata associated with the user-defined data, the user-defined data and metadata stored on a storage component of the network-based system; and
  • a computer-implemented tracking component of the network-based system for tracking a change of the user from the first context to a second context of the network-based system and dynamically updating the stored metadata based on the change, wherein the user accesses the data from the second context.

Facebook has also been sued for patent infringement by PA Advisors (Patent No. 6,199,067; dismissed with consent of parties) and Cross Atlantic Capital Partners (Patent No. 6,519,629; Litigation stayed pending reexamination).

Full post as published by Patently Obvious on November 24, 2008 (boomark / email).

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