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Preparation of Psilocybin, Different Polymorphic Forms, Intermediates, Formulations and Their Use

US 10,519,175 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jun 30, 2023 (Hercules Capital, Inc.).

Term ends Oct 9, 2038 · High confidence

Filed Oct 9, 2018 as application 16/155,386 · Granted Dec 31, 2019
Base term, 20 years from filing
Today
20 years from filing
2018 2038
Clock starts
Oct 9, 2018
Term ends
Oct 9, 2038
Granted
Dec 31, 2019
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.
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.
20
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. 1 of 3 maintenance fees is paid so far. 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 9, 2018, when this application, 16/155,386, was filedOct 9, 2038High 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 paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 9, 2038High confidence

This family

US 10,519,175this patent
Oct 2038
Oct 2038
US 11,505,564In force
Oct 2038
Oct 2038
US 10,947,257In force
Oct 2038
Oct 2038
US 10,954,259In force
Oct 2038
Oct 2038
US 11,149,044In force
Dec 2038
Dec 2038
US 11,180,517In force
Oct 2038
Oct 2038
US 11,447,510In force
Oct 2038
Oct 2038
US 11,629,159In force
Oct 2038
Oct 2038
8 of 20 applications in this family shown, earliest filings first. 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
Jun 4, 2019
Reel 49356, frame 57
Londesbrough, Derek John; Brown, Christopher; Northen, Julian Scott; Moore, Gillian; Patil, Hemant Kashinath; Nichols, David E.Compass Pathways LimitedAssignment of Assignor's Interest
Sep 9, 2020
Reel 53723, frame 833
Compass Pathways LimitedCompass Pathfinder LimitedChange of Name
Jun 30, 2023
Reel 64184, frame 68
Compass Pathways PLC; Compass Pathfinder Holdings Limited; Compass Pathfinder Limited; Compass Pathways, Inc.Hercules Capital, Inc.Patent Security Agreement

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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