The Patent Finder
US

Methods of Treating Dermatological Disorders and Inducing Interferon Biosynthesis with Shorter Durations of Imiquimod Therapy

US 11,202,752 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Graceway Pharmaceuticals, LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Collateral for a security interest recorded Jun 13, 2025 (JPMorgan Chase Bank, N.A.).

Term ends Feb 8, 2028 · Low confidence

Filed May 15, 2013 as application 13/895,305 · Granted Dec 21, 2021
Base term, 20 years from filing
Today
20 years from filing
2008 2028
Clock starts
Feb 8, 2008
Term ends
Feb 8, 2028
Granted
Dec 21, 2021
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,238,645, US 8,598,196, US 8,642,616, US 9,078,889, US 9,271,973, US 9,980,955, to Feb 8, 2028. The term already ends on or before that date, so the cap shortened nothing.
1 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
2
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 resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 1 maintenance fees is paid so far. 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 Feb 8, 2008, when application 12/028,771, the earliest non-provisional in its chain, was filed (this one was filed May 15, 2013); a parent in its chain could not be resolved (the next row)Feb 8, 2028High 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 resolved from the filed document (refs US 10,238,645, US 8,598,196, US 8,642,616, US 9,078,889, US 9,271,973, US 9,980,955)resolves to Feb 8, 2028, no earlier than this term, so no changeMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 1 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 8, 2028Low confidence

This family

Application 12/028,771Abandoned
not computed
not computed
US 11,202,752this patent
Feb 2028
Feb 2028
The applications whose file history this site holds. The family may have others.

Assignments

The 40 most recent of 70 recorded documents are shown; the 30 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.

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