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US

Functional and Hyperfunctional Sirna

US 7,834,170 In force, term unresolved
OverviewFamilyAssignmentsSources & methods

Term ends no later than May 9, 2027 · 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 Mar 30, 2005 as application 11/095,383 · Granted Nov 16, 2010
Base term plus 1272 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2003 2027
Clock starts
Nov 14, 2003
Ends no later than
May 9, 2027
Granted
Nov 16, 2010
base term patent term adjustment 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
1,272
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
168
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 1272 days past its 20-year base term on 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 Nov 14, 2003, when applications 10/714,333 and PCT/US2003/036787, the earliest non-provisional applications in its chain, were filed (this one was filed Mar 30, 2005); a parent in its chain could not be resolved (the next row)Nov 14, 2023High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+1272 days, USPTO patent term adjustment recordMay 9, 2027High 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 May 9, 2027Low confidence

This family

US 8,090,542Term ended
Dec 2023
Dec 2023
Application PCT/US2004/014885PCT application
no patent term
no patent term
Application 10/940,892Abandoned
not computed
not computed
US 7,820,809Lapsed on the fee record
Oct 2022
Oct 2022
Application 11/093,832Abandoned
not computed
not computed
US 7,834,170this patent
no later than May 2027
no later than May 2027
US 7,691,997Term ended
Feb 2026
Feb 2026
US 7,615,541Lapsed on the fee record
Nov 2021
Nov 2021
8 of 168 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
Apr 21, 2014
Reel 32720, frame 846
Thermo Fisher Scientific Biosciences Inc.Thermo Fisher Scientific Inc.Assignment of Assignor's Interest
Apr 30, 2014
Reel 32789, frame 763
Dharmacon, Inc.Thermo Fisher Scientific Biosciences Inc.Change of Name
May 5, 2014
Reel 32821, frame 265
Khvorova, Anastasia; Reynolds, Angela; Leake, Devin; Marshall, William; Scaringe, StephenDharmacon, Inc.Assignment of Assignor's 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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