Term ended Oct 3, 2026 · High confidence
20-year base term ended May 20, 2025
Held by Teleflex Life Sciences LLC
Filed Jul 9, 2007 as application 11/775,173 · Granted Mar 22, 2011
Base term plus 501 days of patent term adjustment (USPTO delay)
Today
Term ended Oct 3, 2026
2005
2026
Clock starts
May 20, 2005
May 20, 2005
Term ended
Oct 3, 2026
Oct 3, 2026
Granted
Mar 22, 2011
Mar 22, 2011
base term
patent term adjustment
after the term ends
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
501
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.
88
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 501 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 May 20, 2005, when application 11/134,870, the earliest non-provisional in its chain, was filed (this one was filed Jul 9, 2007) | May 20, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +501 days, USPTO patent term adjustment record | Oct 3, 2026 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Oct 3, 2026 | High confidence |
This family
| US 7,758,594 | In force Sep 2028 | Sep 2028 |
| US 7,645,286 | In force Feb 2028 | Feb 2028 |
| Application PCT/US2006/019372 | PCT application no patent term | no patent term |
| US 7,896,891 | In force Feb 2028 | Feb 2028 |
| Application PCT/US2006/048962 | PCT application no patent term | no patent term |
| US 8,157,815 | In force Sep 2028 | Sep 2028 |
| US 7,909,836 | this patent Oct 2026 | Oct 2026 |
| US 8,945,152 | In force Apr 2031 | Apr 2031 |
8 of 88 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 |
|---|---|---|---|
| Oct 25, 2007 Reel 20016, frame 165 | McLean, Matt; Cheng, Floria; Merrick, Daniel; Barham, Mitchell C.; Johnston, Andrew L.; Catanese, Joseph, III; Lamson, Theodore C.; Makower, Joshua | Neotract, Inc. | Assignment of Assignor's Interest |
| Mar 25, 2014 Reel 32525, frame 104 | Neotract, Inc. | Capital Royalty Partners II L.P.; Capital Royalty Partners II - Parallel Fund "a" L.P.; Parallel Investment Opportunities Partners II L.P. | Short-Form Patent Security Agreement |
| Mar 25, 2014 reel/frame not recorded | Neotract, Inc. | Capital Royalty Partners II L.P. | Short-Form Patent Security Agreement |
| Mar 25, 2014 reel/frame not recorded | Neotract, Inc. | Capital Royalty Partners II - Parallel Fund "a" L.P. | Short-Form Patent Security Agreement |
| Mar 25, 2014 reel/frame not recorded | Neotract, Inc. | Parallel Investment Opportunities Partners II L.P. | Short-Form Patent Security Agreement |
| Oct 3, 2017 Reel 44114, frame 608 | Capital Royalty Partners II L.P.; Capital Royalty Partners II - Parallel Fund "a" L.P.; Parallel Investment Opportunities Partners II L.P. | Neotract, Inc. | Release of Security Interest |
| Oct 3, 2019 Reel 50619, frame 780 | Neotract, Inc. | JPMorgan Chase Bank, N.A., as Administrative Agent | Security Interest |
| Dec 27, 2021 Reel 58592, frame 907 | Neotract, Inc. | Teleflex Life Sciences Limited | Assignment of Assignor's Interest |
| Jan 31, 2022 Reel 58917, frame 381 | Neotract, Inc. | Teleflex Life Sciences Limited | Assignment of Assignor's Interest |
| Jan 15, 2024 Reel 66305, frame 73 | Teleflex Life Sciences Limited | Teleflex Life Sciences III LLC | Assignment of Assignor's Interest |
| Jan 15, 2024 Reel 66305, frame 802 | Teleflex Life Sciences III LLC | Teleflex Life Sciences LLC | Merger |
| Feb 16, 2024 Reel 66617, frame 582 | Teleflex Life Sciences Limited | Teleflex Life Sciences III LLC | Assignment of Assignor's Interest |
| Feb 16, 2024 Reel 66621, frame 980 | Teleflex Life Sciences III LLC | Teleflex Life Sciences LLC | Merger |
| Jul 24, 2026 Reel 76062, frame 822 | JPMorgan Chase Bank , N.A., as Administrative Agent | Neotract, Inc. | Release of Security Interest in Patents at Reel/Frame 50619/0780 |
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
Note
The 501 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
306
later US patents cite this one
That is top 5% of utility patents granted in 2011 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.