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2 X 2 X 2 Week Treatment Regimen for Treating Actinic Keratosis with Pharmaceutical Compositions Formulated with 2.5% Imiquimod

US 8,222,270 In force, term unresolved
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Apr 24, 2013 (Goldman Sachs Lending Partners LLC).

Term ends no later than Dec 11, 2029 · Low confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed Jul 8, 2011 as application 13/179,315 · Granted Jul 17, 2012
Base term, 20 years from filing
Today
20 years from filing
2009 2029
Clock starts
Dec 11, 2009
Ends no later than
Dec 11, 2029
Granted
Jul 17, 2012
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.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
13
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. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. All three maintenance fees are recorded paid; no more fees are due. Confidence: Low. 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 Dec 11, 2009, when application 12/636,613, the earliest non-provisional in its chain, was filed (this one was filed Jul 8, 2011); a parent in its chain could not be resolved (the next row)Dec 11, 2029High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Dec 11, 2029Low confidence

This family

Application 12/636,613Abandoned
not computed
not computed
Application 13/179,402Abandoned
not computed
not computed
Application 13/179,363Abandoned
not computed
not computed
Application 13/179,336Abandoned
not computed
not computed
US 8,222,270this patent
no later than Dec 2029
no later than Dec 2029
Application 13/181,507Abandoned
not computed
not computed
US 8,236,816In force
no later than Dec 2029
no later than Dec 2029
US 8,299,109In force
no later than Dec 2029
no later than Dec 2029
8 of 13 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

Assignments

The 40 most recent of 69 recorded documents are shown; the 29 earliest are not. 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
Apr 8, 2025
reel/frame not recorded
Barclays Bank PLC, as Collateral AgentBausch Health, Canada Inc. / Sante Bausch, Canada Inc.Release of Security Interest
Apr 8, 2025
reel/frame not recorded
Barclays Bank PLC, as Collateral AgentICN Polfa Rzeszow Spolka Akcyjna (A/K/A ICN Polfa Rzeszow S.A.)Release of Security Interest
Apr 8, 2025
reel/frame not recorded
Barclays Bank PLC, as Collateral AgentOrapharma, Inc.Release of Security Interest
Apr 8, 2025
reel/frame not recorded
Barclays Bank PLC, as Collateral AgentPrzedsiebiorstwo Farmaceutyczne Jelfa Spolka Akcyjna (A/K/A Przedsiebiorstwo Farmaceutyczne Jelfa S.A.)Release of Security Interest
Apr 8, 2025
reel/frame not recorded
Barclays Bank PLC, as Collateral AgentSolta Medical Dutch Holdings B.V.Release of Security Interest
Apr 8, 2025
reel/frame not recorded
Barclays Bank PLC, as Collateral AgentV-Bac Holding Corp.Release of Security Interest
Apr 8, 2025
reel/frame not recorded
Barclays Bank PLC, as Collateral AgentVRX Holdco LLCRelease of Security Interest
Apr 8, 2025
reel/frame not recorded
Barclays Bank PLC, as Collateral Agent1261229 B.C. Ltd.Release of Security Interest
Apr 8, 2025
reel/frame not recorded
Barclays Bank PLC, as Collateral Agent1530065 B.C. Ltd.Release of Security Interest
Jun 13, 2025
Reel 71564, frame 463
Medicis Pharmaceutical Corporation; Orapharma, Inc.; Bausch Health US, LLC (F/K/A Valeant Pharmaceuticals North America LLC); Precision Dermatology, Inc.; Salix Pharmaceuticals, Inc.; Santarus, Inc.; Bausch Health Americas, Inc.; Solta Medical, Inc.The Bank of New York MellonU.S. Patent Security Agreement
Jun 13, 2025
Reel 71566, frame 200
Medicis Pharmaceutical Corporation; Orapharma, Inc.; Bausch Health US, LLC (F/K/A Valeant Pharmaceuticals North America LLC); Precision Dermatology, Inc.; Salix Pharmaceuticals, Inc.; Santarus, Inc.; Bausch Health Americas, Inc.; Solta Medical, Inc.Jpmorgan Chase Bank, N.a.U.S. Patent Security Agreement
Nov 20, 2025
Reel 73637, frame 1
The Bank of New York Mellon, as Notes Collateral AgentAton Pharma, Inc.; Bausch & Lomb Incorporated; Bausch & Lomb Pharma Holdings Corp.; Commonwealth Laboratories, LLC; Dow Pharmaceutical Sciences, Inc.; Ecr Pharmaceuticals Co., Inc.; Laboratoire Chauvin S.A.S.; Medicis Pharmaceutical Corporation; Onpharma Inc.; Orapharma, Inc.; Precision Dermatology, Inc.; Salix Pharmaceuticals, Ltd.; Salix Pharmaceuticals, Inc.; Santarus, Inc.; Solta Medical, Inc.; Synergetics USA, Inc.; Technolas Perfect Vision GmbH; Valeant Canada LP; Valeant Pharmaceuticals International; Valeant Pharmaceuticals International, Inc.; Valeant Pharmaceuticals North America LLC; Wirra IP Pty Limited; Valeant Pharma Poland SP. Z O.O.; Valeant Pharmaceuticals Luxembourg S.A R.L.; Valeant Pharmaceuticals Ireland LimitedRelease of Security Interest
Nov 20, 2025
Reel 73654, frame 242
The Bank of New York Mellon, as Notes Collateral AgentBausch & Lomb Incorporated; Bausch Health US, LLC; Solta Medical, Inc.; Medicis Pharmaceutical Corporation; Salix Pharmaceuticals, Inc.; Salix Pharmaceuticals, Ltd.; Santarus, Inc.; Orapharma, Inc.; Precision Dermatology, Inc.; Bausch Health Americas, Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentAton Pharma, Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentBausch & Lomb IncorporatedRelease of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentBausch & Lomb Pharma Holdings Corp.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentCommonwealth Laboratories, LLCRelease of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentDow Pharmaceutical Sciences, Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentEcr Pharmaceuticals Co., Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentLaboratoire Chauvin S.A.S.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentMedicis Pharmaceutical CorporationRelease of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentOnpharma Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentOrapharma, Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentPrecision Dermatology, Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentSalix Pharmaceuticals, Ltd.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentSalix Pharmaceuticals, Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentSantarus, Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentSolta Medical, Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentSynergetics USA, Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentTechnolas Perfect Vision GmbHRelease of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentValeant Canada LPRelease of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentValeant Pharmaceuticals InternationalRelease of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentValeant Pharmaceuticals International, Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentValeant Pharmaceuticals North America LLCRelease of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentWirra IP Pty LimitedRelease of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentValeant Pharma Poland SP. Z O.O.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentValeant Pharmaceuticals Luxembourg S.A R.L.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentValeant Pharmaceuticals Ireland LimitedRelease of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentBausch Health Americas, Inc.Release of Security Interest
Nov 20, 2025
reel/frame not recorded
The Bank of New York Mellon, as Notes Collateral AgentBausch Health US, LLCRelease of Security 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.

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