The Patent Finder
US

Recombinant Vectors

US 9,732,326 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 15, 2025 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Sep 4, 2014 as application 14/477,741 · Granted Aug 15, 2017
Base term, 20 years from filing
Today
Lapsed Aug 15, 2025
2009 2029
Clock starts
Sep 26, 2009
No longer in force
Aug 15, 2025
Granted
Aug 15, 2017
Term would have run to
Sep 26, 2029
base term 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
5
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 Sep 26, 2029: its 20-year base term, with no 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 Sep 26, 2009, when application PCT/US2009/058512, the earliest non-provisional in its chain, was filed (this one was filed Sep 4, 2014)Sep 26, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Aug 15, 2025High confidence
Computed term endThe steps above, in orderAug 15, 2025High confidence

This family

Application PCT/US2009/058512PCT application
no patent term
no patent term
US 8,829,173Lapsed on the fee record
Sep 2018
Sep 2018
US 9,732,326this patent
Aug 2025
Aug 2025
US 10,407,666In force
Sep 2029
Sep 2029
Application 16/560,525Abandoned
not computed
not computed
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
Oct 20, 2015
Reel 36837, frame 700
Gruber, Harry E.; Jolly, Douglas J.; Perez, Omar D.; Logg, Christopher R.Tocagen Inc.Assignment of Assignor's Interest
Nov 4, 2019
Reel 50909, frame 548
Tocagen Inc.Oxford Finance LLC, as Collateral AgentSecurity Interest
Apr 23, 2020
Reel 52482, frame 439
Oxford Finance LLCTocagen, Inc.Release of Security Interest
Jul 13, 2020
Reel 53192, frame 140
Tocagen Inc.Denovo Biopharma 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