Patent & IP news archive

Complaint for Patent Infringement
Civil Action No. 4:12-cv-03573; no judge yet assigned.
Filed on Dec. 7, 2012 in the U.S. District Court for the Southern District of Texas;

Defendants

Patents in case

  • 6,732,817: “Expandable underreamer/stabilizer” by Dewey et. al. Prosecuted by Conley Rose, P.C.. Includes 73 claims (5 indep.). Was application 10/078,067. Granted 5/11/2004.
  • 7,314,099: “Selectively actuatable expandable underreamer/stablizer” by Dewey et. al. Prosecuted by Conley Rose, P.C.. Includes 27 claims (3 indep.). Was application 11/436,790. Granted 1/1/2008.
  • 5,515,038: “Data transmission system” by Smith and assigned to Camco International Inc.. Prosecuted by Arnold, White & Durkee. Includes 22 claims (8 indep.). Was application 08/152,391. Filed 11/15/1993 & Granted 5/7/1996.
  • 6,412,562: “Electrical submersible pumps in the riser section of subsea well flowline” by Shaw. Prosecuted by Bracewell & Patterson, L.L.P.. Includes 20 claims (3 indep.). Was application 09/657,261. Granted 7/2/2002.
  • 6,026,897: “Communication conduit in a well tool” by Pringle et. al. Prosecuted by Tabor, Goldstein & Healey, LLP. Includes 20 claims (5 indep.). Was application 08/969,867. Granted 2/22/2000.
  • 6,152,220: “Down-hole tool with centralising component” by Carmichael et. al. Prosecuted by Browning; Clifford W. Woodward, Emhardt, Naughton, Moriarty, & McNett. Includes 19 claims (2 indep.). Was application 09/260,274. Granted 11/28/2000.

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Case documents (PDF)

Fig. 1 from 6,152,220

6,152,220 figure 1

Litigant weblinks

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