Patent & IP news archive

Trover Group, Inc. et. al.
v. Tyco International, Ltd. et. al.

Complaint for Patent Infringement
Civil Action No. 2:13-cv-00052; no judge yet assigned.
Filed on Jan. 23, 2013 in the U.S. District Court for the Eastern District of Texas;

Plaintiffs

v.
Security Center
McDole & Williams; Dallas, TX
Steven Nelson Williams

Patents in case

  • 5,751,346: “Image retention and information security system” by Dozier et. al. Prosecuted by Sidley & Austin. Includes 7 claims (5 indep.). Was application 08/780,529. Granted 5/12/1998.
  • 7,116,353: “Digital video recording system” by Hobson et. al. Prosecuted by Polster, Lieder, Woodruff & Lucchesi LC. Includes 29 claims (7 indep.). Was application 09/808,326. Granted 10/3/2006.
  • 5,751,345: “Image retention and information security system” by Dozier et. al. Prosecuted by Sidley & Austin. Includes 9 claims (3 indep.). Was application 08/781,032. Granted 5/12/1998.

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Case documents (PDF)

Fig. 1 from 7,116,353

7,116,353 figure 1

Litigant weblinks

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