Term ends Oct 12, 2030 · Medium confidence
20-year base term ends Oct 12, 2030
Why Medium: A parent in the chain could not be resolved.
Filed May 25, 2011 as application 13/115,532 · Granted Oct 29, 2013
Base term, 20 years from filing
Today
2010
2030
Clock starts
Oct 12, 2010
Oct 12, 2010
Term ends
Oct 12, 2030
Oct 12, 2030
Granted
Oct 29, 2013
Oct 29, 2013
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.
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.
15
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. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 12, 2010, when application 12/903,057, the earliest non-provisional in its chain, was filed (this one was filed May 25, 2011); a parent in its chain could not be resolved (the next row) | Oct 12, 2030 | 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 | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High 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 | Oct 12, 2030 | Medium confidence |
This family
| US 8,569,052 | this patent Oct 2030 | Oct 2030 |
| US 10,136,635 | In force Aug 2033 | Aug 2033 |
| US 9,199,016 | In force Jun 2032 | Jun 2032 |
| US 9,005,343 | In force Jun 2031 | Jun 2031 |
| US 9,296,990 | In force Jul 2031 | Jul 2031 |
| US 9,844,615 | In force Nov 2030 | Nov 2030 |
| US 10,603,417 | In force Apr 2031 | Apr 2031 |
| US 11,284,616 | In force Oct 2030 | Oct 2030 |
8 of 15 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 10, 2012 Reel 27505, frame 813 | Yoshida, Tatsuro; Vernucci, Paul J. | New Health Sciences, Inc. | Assignment of Assignor's Interest |
| Jan 10, 2012 Reel 27506, frame 373 | Federspiel, William J.; Frankowski, Brian J. | University of Pittsburgh - of the Commonwealth System of Higher Education | 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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Alerts on its grants, lapses and transfers.
What's changing
Oct 2030
Term ends Oct 12, 2030. No further fees fall due before then
Citations
28
later US patents cite this one
That is top 25% of utility patents granted in 2013 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
Computed patent terms end on the dates shown. 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.