Patent & IP news archive

Complaint for Patent Infringement
Civil Action No. 6:11-cv-00592-LED, the Hon. Leonard Davis presiding.
Filed on Nov. 1, 2011 in the U.S. District Court for the Eastern District of Texas;


Klausner Technologies
Capshaw DeRieux LLP; Gladewater, TX
Sidney Calvin Capshaw


Patents in case

  • 5,572,576: “Telephone answering device linking displayed data with recorded audio message” by Klausner et. al. and assigned to Klausner Patent Technologies. Prosecuted by Darby & Darby, P.C.. Includes 21 claims (12 indep.). Was application 08/188,200. Filed 3/15/1994 & Granted 11/5/1996.

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Case documents (PDF)

Fig. 1 from 5,572,576

5,572,576 figure 1
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