IP Library › Granted Patent US 6,519,581
Granted Patent Utility
US 6,519,581 · Confirmation No. 1411

COLLECTION OF INFORMATION REGARDING A DEVICE OR A USER OF A DEVICE ACROSS A COMMUNICATION LINK

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2021-07-14 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2021-06-21 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2018-03-16 TRIAL.CERT.M Trial Certificate Mailed 2 View
2017-04-18 TRIAL.TRMFWD Trial Termination or Final Written Decision 32 View
2017-04-18 TRIAL.TRMFWD Trial Termination or Final Written Decision 36 View
2016-04-18 TRIAL.REQ.G Request for Trial Granted 40 View
2016-04-18 TRIAL.REQ.G Request for Trial Granted 37 View
2016-04-18 TRIAL.REQ.D Request for Trial Denied 24 View
2016-04-18 TRIAL.REQ.D Request for Trial Denied 24 View
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Quick Facts
Patent No.
US 6,519,581
App. No.
09/844,858
Filed
2001-04-27
Granted
2003-02-11
Examiner
KHATRI, ANIL
Art Unit
2122
PTA
0 days