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US 8,620,731 In force
OverviewAssignmentsSources & methods

Term ends Dec 27, 2033 · High confidence

Filed Nov 3, 2003 as application 10/700,686 · Granted Dec 31, 2013
Base term plus 3707 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2003 2033
Clock starts
Nov 3, 2003
Term ends
Dec 27, 2033
Granted
Dec 31, 2013
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
3,707
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 3707 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 Nov 3, 2003, when this application, 10/700,686, was filedNov 3, 2023High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+3707 days, USPTO patent term adjustment recordDec 27, 2033High 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 orderDec 27, 2033High 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
Dec 29, 2003
Reel 14839, frame 173
Nelms, David W.Discover Financial ServicesAssignment of Assignor's Interest
May 10, 2006
Reel 17596, frame 284
Discover Financial Services, Inc.Discover Financial Services LLCChange of Name
Jan 7, 2010
Reel 23741, frame 637
Discover Financial Services LLCDFS Services LLCChange of Name
Apr 6, 2022
Reel 59645, frame 56
Nelms, David W.Discover Financial Services, Inc.Corrective Assignment to Correct the Receiving Party Data Name Previously Recorded at Reel: 014839 Frame: 0173. Assignor(S) Hereby Confirms the Assignment.
Jul 2, 2025
Reel 71784, frame 903
Discover Financial ServicesCapital One Financial CorporationMerger

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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