The Patent Finder
US

Implantable Access Port Device Having a Safety Cap

US 8,409,221 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Oct 24, 2024 (Ascent Partners Fund LLC).

Term ends Apr 17, 2029 · High confidence

Filed Jul 11, 2012 as application 13/546,204 · Granted Apr 2, 2013
Base term, 20 years from filing
Today
20 years from filing
2009 2029
Clock starts
Apr 17, 2009
Term ends
Apr 17, 2029
Granted
Apr 2, 2013
base term 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.
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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term is its 20-year base term, with no adjustment for 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 Apr 17, 2009, when application 12/426,057, the earliest non-provisional in its chain, was filed (this one was filed Jul 11, 2012)Apr 17, 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 events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderApr 17, 2029High confidence

This family

US 9,023,062In force
Jul 2031
Jul 2031
US 9,023,063In force
Jul 2030
Jul 2030
US 8,398,654Lapsed on the fee record
Mar 2021
Mar 2021
US 8,409,221this patent
Apr 2029
Apr 2029
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 22, 2013
Reel 31451, frame 488
Franklin, Ethan; Olroyd, Craig; Mudd, Christopher S.Allergan, Inc.Assignment of Assignor's Interest
Dec 2, 2013
Reel 31747, frame 761
Allergan, Inc.Apollo Endosurgery, Inc.Assignment of Assignor's Interest
Dec 3, 2013
Reel 31756, frame 729
Apollo Endosurgery, Inc.Oxford Finance LLC, as AgentSecurity Agreement
Mar 2, 2015
Reel 35120, frame 740
Oxford Finance LLC, as AgentApollo Endosurgery, Inc.Termination of Patent Security Interest (Recorded on 12/3/13 at Reel/Frame 031756/0729 and on 1/2/14 at Reel/Frame 031910/0460)
Mar 2, 2015
Reel 35120, frame 843
Apollo Endosurgery, Inc.Athyrium Opportunities II Acquisition LP, as Administrative AgentNotice of Grant of Security Interest in Patents
Dec 30, 2016
Reel 41224, frame 821
Apollo Endosurgery US, Inc.Athyrium Opportunities II Acquisition LP, as Administrative AgentNotice of Grant of Security Interest in Patents
Mar 27, 2017
Reel 42106, frame 912
Apollo Endosurgery, Inc.Apollo Endosurgery US, Inc.Change of Name
Jan 4, 2019
Reel 48012, frame 902
Athyrium Opportunities II Acquisition LP, as Administrative AgentApollo Endosurgery US, Inc.Termination and Release of Security Interest in Patents
Apr 15, 2019
Reel 48885, frame 687
Apollo Endosurgery US, Inc.Solar Capital Ltd., as Collateral AgentIntellectual Property Security Agreement
Sep 22, 2020
Reel 53846, frame 556
Apollo Endosurgery US, Inc.Reshape Lifesciences Inc.Assignment of Assignor's Interest
Dec 30, 2021
Reel 58599, frame 297
SLR Investment Corp. (F/K/A Solar Capital Ltd.)Apollo Endosurgery US, Inc.; Apollo Endosurgery International, LLC; Apollo Endosurgery, Inc.; Lpath Therapeutics Inc.Release of Security Interest
Dec 30, 2021
reel/frame not recorded
SLR Investment Corp. (F/K/A Solar Capital Ltd.)Apollo Endosurgery US, Inc.Release of Security Interest
Dec 30, 2021
reel/frame not recorded
SLR Investment Corp. (F/K/A Solar Capital Ltd.)Apollo Endosurgery International, LLCRelease of Security Interest
Dec 30, 2021
reel/frame not recorded
SLR Investment Corp. (F/K/A Solar Capital Ltd.)Apollo Endosurgery, Inc.Release of Security Interest
Dec 30, 2021
reel/frame not recorded
SLR Investment Corp. (F/K/A Solar Capital Ltd.)Lpath Therapeutics Inc.Release of Security Interest
Oct 24, 2024
Reel 70166, frame 882
Reshape Lifesciences Inc.Ascent Partners Fund LLCSecurity 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