Patent & IP news archive

Complaint for Patent Infringement
Civil Action No. 2:12-cv-01123-TS, the Hon. Ted Stewart presiding.
Filed on Dec. 10, 2012 in the U.S. District Court for the District of Utah;

Plaintiffs

v.
CAO Group
Maschoff Gilmore & Israelsen; Park City, UT
Mark W. Ford
Kirk R. Harris
Charles J. Veverka

Defendants

3M

Patents in case

  • 6,719,559: “Curing light” by Cao. Prosecuted by McCarthy; Daniel P. Parsons Behle & Latimer. Includes 20 claims (3 indep.). Was application 10/076,128. Granted 4/13/2004.
  • 6,755,648: “Curing light” by Cao. Prosecuted by McCarthy; Daniel P. Parsons Behle & Latimer. Includes 11 claims (7 indep.). Was application 10/067,692. Granted 6/29/2004.
  • 6,783,362: “Dental curing light using primary and secondary heat sink combination” by Cao. Prosecuted by McCarthy; Daniel P. Parsons Behle & Latimer. Includes 20 claims (3 indep.). Was application 10/017,272. Granted 8/31/2004.

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Case documents (PDF)

Fig. 1 from 6,783,362

6,783,362 figure 1

Litigant weblinks

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