Term ends Feb 21, 2028 · High confidence
20-year base term ended Mar 20, 2022
Held by P Tech, LLC.
Filed Mar 20, 2002 as application 10/102,413 · Granted Oct 13, 2015
Base term plus 2164 days of patent term adjustment (USPTO delay)
Today
2002
2028
Clock starts
Mar 20, 2002
Mar 20, 2002
Term ends
Feb 21, 2028
Feb 21, 2028
Granted
Oct 13, 2015
Oct 13, 2015
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
2,164
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
18
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 2164 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 20, 2002, when this application, 10/102,413, was filed | Mar 20, 2022 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +2164 days, USPTO patent term adjustment record | Feb 21, 2028 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 21, 2028 | High confidence |
This family
| US 9,155,544 | this patent Feb 2028 | Feb 2028 |
| US 9,192,395 | Term ended Mar 2022 | Mar 2022 |
| US 9,149,281 | Term ended Mar 2022 | Mar 2022 |
| US 9,585,725 | Term ended Mar 2022 | Mar 2022 |
| US 9,486,227 | Term ended Mar 2022 | Mar 2022 |
| US 9,271,741 | Term ended May 2022 | May 2022 |
| US 9,271,779 | Term ended Apr 2023 | Apr 2023 |
| US 10,265,128 | Term ended Jul 2022 | Jul 2022 |
8 of 18 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 |
|---|---|---|---|
| Apr 8, 2003 Reel 13903, frame 70 | Bonutti, Peter M. | The Bonutti 2003 Trust-A | Assignment of Assignor's Interest |
| Jan 12, 2005 Reel 15552, frame 342 | The Bonutti 2003 Trust-A and the Bonutti 2003 Trust-B | Bonutti IP, LLC | Assignment of Assignor's Interest |
| May 11, 2006 Reel 17603, frame 207 | Bonutti IP, LLC | Marctec, LLC | Change of Name |
| Jun 22, 2009 Reel 22859, frame 60 | Marctec, LLC | P Tech, LLC. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2028
Term ends Feb 21, 2028. Maintenance fees still fall due before then
Note
The 2164 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
563
later US patents cite this one
That is top 1% of utility patents granted in 2015 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.