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Methods for the Synthesis of Unsymmetrical Cycloalkyl Substituted Xanthines

US 7,598,379 In force
OverviewFamilyAssignmentsSources & methods

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

Term ends Dec 11, 2027 · High confidence

Filed Feb 27, 2006 as application 11/362,390 · Granted Oct 6, 2009
Base term plus 652 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2027
Clock starts
Feb 27, 2006
Term ends
Dec 11, 2027
Granted
Oct 6, 2009
base term patent term adjustment fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
652
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
3
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 runs 652 days past its 20-year base term on 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 Feb 27, 2006, when this application, 11/362,390, was filedFeb 27, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+652 days, USPTO patent term adjustment recordDec 11, 2027High 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 orderDec 11, 2027High confidence

This family

US 7,598,379this patent
Dec 2027
Dec 2027
US 8,420,813Lapsed on the fee record
Apr 2025
Apr 2025
US 8,501,941Lapsed on the fee record
Aug 2025
Aug 2025
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
Apr 20, 2007
Reel 19198, frame 496
Rieger, Jayson M.; Thompson, Robert D.; Wang, GuoquanAdenosine Therapeutics, LLCAssignment of Assignor's Interest
Jan 8, 2009
Reel 22075, frame 734
Adenosine Therapeutics, LLCPgxhealth, LLCAssignment of Assignor's Interest
Jan 28, 2011
Reel 25709, frame 994
Pgxhealth, LLCTrovis Pharmaceuticals, LLCChange of Name
Jan 24, 2013
Reel 29688, frame 503
Trovis Pharmaceuticals LLCTrovis Pharmaceuticals Holdings, Inc.Merger
Jan 25, 2013
Reel 29694, frame 831
Trovis Pharmaceuticals Holdings, Inc.Clinical Data, Inc.Merger
Feb 1, 2013
Reel 29737, frame 130
Forest Laboratories Holdings LimitedDogwood Pharmaceuticals, Inc.Assignment of Assignor's Interest
Feb 1, 2013
Reel 29736, frame 958
Clinical Data, Inc.Dogwood Pharmaceuticals, Inc.Assignment of Assignor's Interest
Feb 1, 2013
Reel 29737, frame 43
Dogwood Pharmaceuticals, Inc.Forest Laboratories Holdings LimitedAssignment of Assignor's Interest
Mar 19, 2013
Reel 30045, frame 915
Forest Laboratories Holdings LimitedDogwood Pharmaceuticals, Inc.Corrective Assignment to Correct the Execution Date of the Previously Recorded Assignment from December 31, 2011 to March 15, 2013 Previously Recorded on Reel 029737 Frame 0130. Assignor(S) Hereby Confirms the the Execution Date of the Original Assignment Was Incorrectly Dated December 31, 2011.
Jun 26, 2018
Reel 46208, frame 691
Dogwood Pharmaceuticals, Inc.Allergan Sales, LLCMerger

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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