Patent & IP news archive

Complaint for Declaratory Judgement
Civil Action No. 5:12-cv-06160-HRL, the Hon. Howard R. Lloyd presiding.
Filed on Dec. 5, 2012 in the U.S. District Court for the Northern District of California;

Plaintiffs

v.
Alphacom
Quinn Emanuel Urquhart & Sullivan, LLP; Redwood City, CA
Robert P. Feldman
John M. Neukom

Patents in case

  • 5,682,160: “High-order delta sigma analog-to-digital converter with unit-delay integrators” by Ribner et. al. Prosecuted by Snyder; Marvin. Includes 10 claims (2 indep.). Was application 08/650,282. Granted 10/28/1997.
  • 6,693,811: “Integrated controller, method of operation thereof and power supply employing the same” by Bowman et. al.. Includes 20 claims (3 indep.). Was application 10/187,639. Granted 2/17/2004.
  • 6,069,807: “Compensation circuit method of operations thereof and converter employing the same” by Boylan et. al.. Includes 22 claims (3 indep.). Was application 09/395,149. Granted 5/30/2000.

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Case documents (PDF)

Fig. 1 from 6,069,807

6,069,807 figure 1

Litigant weblinks

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