Also listed on Phigenix, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends no later than Jul 7, 2027 · Low confidence

Computed 20-year base term

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.

Held by Musc Foundation for Research Development

Filed Jan 13, 2011 as application 13/005,579 · Granted May 27, 2014

Base term plus 264 days of patent term adjustment (USPTO delay)

Today

20 years from filing

Ends no later than Jul 7, 2027

2006 2027

Clock starts
Oct 16, 2006

Ends no later than
Jul 7, 2027

Granted
May 27, 2014

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

264

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.

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 264 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.

Step	Input	Date after this step	Confidence
Base term, 20 years from filing	Clock starts Oct 16, 2006, when application PCT/US2006/040215, the earliest non-provisional in its chain, was filed (this one was filed Jan 13, 2011); a parent in its chain could not be resolved (the next row)	Oct 16, 2026	High confidence
Continuity chain	A parent in the chain could not be resolved	dated from this application's own claim	Medium confidence
Patent term adjustment	+264 days, USPTO patent term adjustment record	Jul 7, 2027	High confidence
Terminal disclaimer cap	Disclaimer on file (approved), reference document not resolved	no cap applied, and none guessed	Medium confidence
Patent term extension	None on file	no change	High confidence
Fee events	3 of 3 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	no later than Jul 7, 2027	Low confidence

This family

US 7,964,577	In force Jul 2027	Jul 2027
US 8,088,603	In force Jul 2028	Jul 2028
Application 12/546,292	Abandoned not computed	not computed
Application PCT/US2009/054913	PCT application no patent term	no patent term
US 8,080,534	Term ended Oct 2026	Oct 2026
Application PCT/US2010/024740	PCT application no patent term	no patent term
US 8,318,692	Lapsed on the fee record Nov 2024	Nov 2024
US 8,735,365	this patent no later than Jul 2027	no later than Jul 2027

8 of 37 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.

Recorded	Assignor	Assignee	Conveyance
Jan 30, 2014 Reel 32088, frame 62	Donald, Carlton D.	Phigenix, Inc.	Assignment of Assignor's Interest
May 20, 2014 Reel 32928, frame 541	Donald, Carlton D.	Medical University of South Carolina	Assignment of Assignor's Interest
May 20, 2014 Reel 32928, frame 724	Medical University of South Carolina	Musc Foundation for Research Development	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.

What's changing

Jul 2027

Term ends no later than Jul 7, 2027. No further fees fall due before then

Note

A terminal disclaimer is on file and its reference is not resolved. No cap is applied and none is guessed

Note

The 264 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us

Open question

A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Jul 7, 2027. We will not guess the cap.

Citations

later US patents cite this one

That is below the median of utility patents granted in 2014 in our data, the only group it is compared against. How we rank

Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built

This computed term ends no later than the date shown; an unresolved terminal disclaimer may end it earlier. Related patents and pending applications may cover overlapping subject matter.

In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.

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