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Method and System for Generating a Cryptographically Random Number Stream

US 7,502,468 In force
OverviewAssignmentsSources & methods

Also listed on Britestream Networks, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Mar 13, 2027 · High confidence

Filed Sep 2, 2004 as application 10/932,928 · Granted Mar 10, 2009
Base term plus 922 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2004 2027
Clock starts
Sep 2, 2004
Term ends
Mar 13, 2027
Granted
Mar 10, 2009
base term patent term adjustment fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
922
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.

This patent's term runs 922 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Sep 2, 2004, when this application, 10/932,928, was filedSep 2, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+922 days, USPTO patent term adjustment recordMar 13, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 13, 2027High confidence

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Nov 5, 2004
Reel 15341, frame 922
Layer N Networks, Inc.Britestream Networks, Inc.Change of Name
Jan 24, 2005
Reel 16166, frame 329
Blakely, George Robert; Findley, Randall; Goble, Richard; Herrington, Scott; Stein, KyleBritestream Networks, Inc.Assignment of Assignor's Interest
May 7, 2007
Reel 19365, frame 868
Britestream Networks, Inc.Ncipher Corporation Limited Acting by and Through Its Wholly Owned Subsidiary, Ncipher, Inc.Asset Purchase Agreement (ATTACHED)
Sep 25, 2012
Reel 29018, frame 612
Ncipher Corporation Ltd.Thales e-Security Ltd.Assignment of Assignor's Interest
Sep 25, 2012
Reel 29018, frame 784
Thales e-Security Ltd.Thales Holdings UK PLCAssignment of Assignor's Interest
Mar 20, 2018
Reel 45657, frame 457
Thales Holdings UK PLCThales Holdings UK PLCChange of Address
Jan 23, 2020
Reel 51604, frame 526
Thales Holdings UK PLCThales UK LimitedChange of Name
Jan 23, 2020
Reel 51604, frame 546
Thales UK LimitedNcipher Security LimitedChange of Name

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

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