Patent & IP news archive

Complaint for Patent Infringement
Civil Action No. 3:12-cv-06188-NC, the Hon. Nathanael M. Cousins presiding.
Filed on Dec. 6, 2012 in the U.S. District Court for the Northern District of California;

Plaintiffs

v.
Caesars Interactive Entertainment
Fenwick & West LLP; San Francisco, CA
Marc Steven Elzweig
Michael John Sacksteder

Defendants

Patents in case

  • 5,325,423: “Interactive multimedia communication system” by Lewis and assigned to Multimedia Systems Corporation. Prosecuted by Benman Collins & Sawyer. Includes 17 claims (4 indep.). Was application 07/975,824. Filed 11/13/1992 & Granted 6/28/1994.
  • 5,745,379: “Method for the production and transmission of enhanced multimedia information” by Lewis. Prosecuted by Benman Collins & Sawyer. Includes 7 claims (2 indep.). Was application 08/700,131. Granted 4/28/1998.
  • 5,564,001: “Method and system for interactively transmitting multimedia information over a network which requires a reduced.” by Lewis and assigned to Multimedia Systems Corporation. Prosecuted by Benman Collins & Sawyer. Includes 32 claims (3 indep.). Was application 08/265,391. Filed 6/24/1994 & Granted 10/8/1996.
  • 5,845,088: “Method for the production and transmission of enhanced interactive multimedia information” by Lewis. Prosecuted by Sawyer & Associates. Includes 32 claims (4 indep.). Was application 08/472,221. Granted 12/1/1998.

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Case documents (PDF)

Fig. 1 from 5,564,001

5,564,001 figure 1

Litigant weblinks

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