The Patent Finder
US

Dynamic Variable-Content Publishing

US 8,438,476 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed May 7, 2025 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Held by Uhlig LLC
Filed Oct 16, 2006 as application 11/581,870 · Granted May 7, 2013
Base term, 20 years from filing, plus 896 days of patent term adjustment (USPTO delay)
Today
Lapsed May 7, 2025
2006 2029
Clock starts
Oct 16, 2006
No longer in force
May 7, 2025
Granted
May 7, 2013
Term would have run to
Mar 30, 2029
base term patent term adjustment after the term ends 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
896
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Mar 30, 2029: its 20-year base term plus 896 days of term adjustment for prosecution delay. 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 Oct 16, 2006, when this application, 11/581,870, was filedOct 16, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+896 days, USPTO patent term adjustment recordMar 30, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed May 7, 2025High confidence
Computed term endThe steps above, in orderMay 7, 2025High confidence

This family

US 8,438,476this patent
May 2025
May 2025
US 8,595,618Term ended
Oct 2026
Oct 2026
US 9,383,957In force (reinstated)
Nov 2027
Nov 2027
The applications whose file history this site holds. The family may have others.

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 30, 2006
Reel 18568, frame 497
Hansen, JustinUhlig LLCAssignment of Assignor's Interest
Nov 30, 2006
Reel 18568, frame 507
Hayes, KristinaUhlig LLCAssignment of Assignor's Interest
Nov 30, 2006
Reel 18568, frame 539
McMillen, LaurettaUhlig LLCAssignment of Assignor's Interest
Nov 30, 2006
Reel 18568, frame 560
French, ArthurUhlig LLCAssignment of Assignor's Interest
Nov 30, 2006
Reel 18568, frame 593
Geisler, AmyUhlig LLCAssignment of Assignor's Interest
Nov 30, 2006
Reel 18568, frame 626
Uhlig, Mark A.Uhlig LLCAssignment of Assignor's Interest

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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited